Journal articles: 'Aeroponics'

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ISMAGILOV, Rafael, Ilgiz ASYLBAEV, Nuriya URAZBAKHTINA, Denis ANDRIYANOV, and Firdavis AVSAKHOV. "GROWING OF VIRUS-FREE POTATO SEED TUBERS IN THE AEROPONIC PLANT." Periódico Tchê Química 17, no. 35 (July 20, 2020): 791–99. http://dx.doi.org/10.52571/ptq.v17.n35.2020.67_ismagilov_pgs_791_799.pdf.

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Throughout the world, potatoes, as a food crop, are very important. One of the main reasons for the poor quality of planting material, yield and potatoes themselves are viral infections. The use of virus-free seed material is one of the high-potential ways to increase the yield and efficiency of potato production. Aeroponics is a promising direction in obtaining a virus-protected crop. This study aimed to assess the potential and improve the technology for growing healthy mini-tubers of potatoes using the aeroponic method, which is a safe and economical method. Compared to the usual method of growing crops, aeroponics assumes lower water and energy costs per unit of production, as well as excludes soil diseases of the plant and does not allow damage to the tuber caused by pests. For growing different varieties of crops in different regions, artificial conditions such as additional lighting in greenhouses can be easily provided. In this study, economic calculations have shown that, from a practical point of view, Aeroponics technology may be appropriate for large-scale production of seed potatoes.

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HE, JIE. "FARMING OF VEGETABLES IN SPACE-LIMITED ENVIRONMENTS." COSMOS 11, no. 01 (December 2015): 21–36. http://dx.doi.org/10.1142/s0219607715500020.

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Vegetables that contain most of the essential components of human nutrition are perishable and cannot be stocked. To secure vegetable supply in space limited cities such as Singapore, there are different farming methods to produce vegetables. These include low-cost urban community gardening and innovative rooftop and vertical farms integrated with various technologies such as hydroponics, aquaponics and aeroponics. However, for large-scale vegetable production in space-limited Singapore, we need to develop farming systems that not only increase productivity many-fold per unit of land but also produce all types of vegetable, all year-round for today and the future. This could be resolved through integrated vertical aeroponic farming system. Manipulation of root-zone (RZ) environments such as cooling the RZ, modifying mineral nutrients and introducing elevated RZ CO2 using aeroponics can further boost crop productivity beyond what can be achieved from more efficient use of land area. We could also adopt energy saving light emitting diodes (LEDs) for vertical aeroponic farming system to promote uniform growth and to improve the utilisation of limited space via shortening the growth cycle, thus improving vegetable production in a cost-effective manner.

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Nichols, M. A. "AEROPONICS AND POTATOES." Acta Horticulturae, no. 670 (April 2005): 201–6. http://dx.doi.org/10.17660/actahortic.2005.670.24.

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Broćić, Zoran, Mirko Milinković, Ivana Momčilović, Jasmina Oljača, Biljana Veljković, Drago Milošević, and Dobrivoj Poštić. "Comparison of Aeroponics and Conventional Production System of Virus-free Potato Mini Tubers in Serbia." АГРОЗНАЊЕ 20, no. 2 (November 5, 2019): 95. http://dx.doi.org/10.7251/agren1902095b.

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Virus free mini tubers are starting materials for the production of seed potatoes without the diseases. Conventionally, mini-tubers are produced from in vitro plants in various solid media. The aeroponics system refers to the process of growing plants in the air or in the fog environment without the use of soil or any other substrate. The aim of this study is to assess the application of aeroponics and conventional production system of virus-free potato mini tubers in Serbia. The experiment included three varieties of potatoes: Cleopatra, Kennebec and Agria. All three varieties were cultivated within two systems: aeroponics and conventional rooting in the substrate. In the aeroponics system, with all three varieties, an average of 17.87 mini tubers was obtained, which is 5.39 times more than in the conventional substrate. This ratio was the highest in the variety Kenebec (6.46), followed by Agria (5.71) and the lowest in Cleopatra (4.01). The average weight of mini tubers produced in the conventional substrate was higher by 3.49 g compared to the aeroponics system. The aeroponics system offers a potential opportunity to improve the production of mini potato tubers in Serbia.

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Li, Qiansheng, Xiaoqiang Li, Bin Tang, and Mengmeng Gu. "Growth Responses and Root Characteristics of Lettuce Grown in Aeroponics, Hydroponics, and Substrate Culture." Horticulturae 4, no. 4 (October 24, 2018): 35. http://dx.doi.org/10.3390/horticulturae4040035.

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Aeroponics is a relatively new soilless culture technology which may produce food in space-limited cities or on non-arable land with high water-use efficiency. The shoot and root growth, root characteristics, and mineral content of two lettuce cultivars were measured in aeroponics, and compared with hydroponics and substrate culture. The results showed that aeroponics remarkably improved root growth with a significantly greater root biomass, root/shoot ratio, and greater total root length, root area, and root volume. However, the greater root growth did not lead to greater shoot growth compared with hydroponics, due to the limited availability of nutrients and water. It was concluded that aeroponics systems may be better for high value true root crop production. Further research is necessary to determine the suitable pressure, droplet size, and misting interval in order to improve the continuous availability of nutrients and water in aeroponics, if it is to be used to grow crops such as lettuce for harvesting above-ground parts.

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Lakhiar, Imran Ali, Gao Jianmin, Tabinda Naz Syed, Farman Ali Chandio, Noman Ali Buttar, and Waqar Ahmed Qureshi. "Monitoring and Control Systems in Agriculture Using Intelligent Sensor Techniques: A Review of the Aeroponic System." Journal of Sensors 2018 (December 19, 2018): 1–18. http://dx.doi.org/10.1155/2018/8672769.

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In recent years, intelligent sensor techniques have achieved significant attention in agriculture. It is applied in agriculture to plan the several activities and missions properly by utilising limited resources with minor human interference. Currently, plant cultivation using new agriculture methods is very popular among the growers. However, the aeroponics is one of the methods of modern agriculture, which is commonly practiced around the world. In the system, plant cultivates under complete control conditions in the growth chamber by providing a small mist of the nutrient solution in replacement of the soil. The nutrient mist is ejected through atomization nozzles on a periodical basis. During the plant cultivation, several steps including temperature, humidity, light intensity, water nutrient solution level, pH and EC value, CO2concentration, atomization time, and atomization interval time require proper attention for flourishing plant growth. Therefore, the object of this review study was to provide significant knowledge about early fault detection and diagnosis in aeroponics using intelligent techniques (wireless sensors). So, the farmer could monitor several paraments without using laboratory instruments, and the farmer could control the entire system remotely. Moreover, the technique also provides a wide range of information which could be essential for plant researchers and provides a greater understanding of how the key parameters of aeroponics correlate with plant growth in the system. It offers full control of the system, not by constant manual attention from the operator but to a large extent by wireless sensors. Furthermore, the adoption of the intelligent techniques in the aeroponic system could reduce the concept of the usefulness of the system due to complicated manually monitoring and controlling process.

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Hayden, Anita L. "Aeroponic and Hydroponic Systems for Medicinal Herb, Rhizome, and Root Crops." HortScience 41, no. 3 (June 2006): 536–38. http://dx.doi.org/10.21273/hortsci.41.3.536.

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Hydroponic and aeroponic production of medicinal crops in controlled environments provides opportunities for improving quality, purity, consistency, bioactivity, and biomass production on a commercial scale. Ideally, the goal is to optimize the environment and systems to maximize all five characteristics. Examples of crop production systems using perlite hydroponics, nutrient film technique (NFT), ebb and flow, and aeroponics were studied for various root, rhizome, and herb leaf crops. Biomass data comparing aeroponic vs. soilless culture or field grown production of burdock root (Arctium lappa), stinging nettles herb and rhizome (Urtica dioica), and yerba mansa root and rhizome (Anemopsis californica) are presented, as well as smaller scale projects observing ginger rhizome (Zingiber officinale) and skullcap herb (Scutellaria lateriflora). Phytochemical concentration of marker compounds for burdock and yerba mansa in different growing systems are presented.

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Adepoju, Abimbola Oluyemisi, and Oluwadamilola Christiana Olaseni. "Are Yam Farmers Aware and Willing to Adopt the Aeroponics Farming System in Oyo State, Nigeria?" Agris on-line Papers in Economics and Informatics 13, no. 1 (March 30, 2021): 3–13. http://dx.doi.org/10.7160/aol.2021.130101.

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Despite the immense returns of new agricultural technologies to increase agricultural productivity and meet rising food demand, there is a lag in the adoption of these technologies by farmers. The aeroponics system is one of such innovative technologies implemented for seed yam propagation. This study assessed the awareness and the determinants of the willingness of yam farmers to adopt the aeroponics farming system, employing the likert scale and the logit regression model. Results showed that more than three-fifths of the farmers had never heard of the aeroponics farming system but were willing to adopt it for yam and seed yam propagation, although high cost of capital required for adoption was a major constraint. Key determinants of farmers' awareness of the aeroponics system include gender, age, education, membership of cooperative society, monthly income and access to extension agent, while the main factors influencing its adoption were marital status, age, access to credit, membership of cooperative society, farm size and income. Efforts at dissemination of aeroponics farming system for increased productivity should be intensified for its effective adoption by the farmers.

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Vacharadze, Aleksandre. "INNOVATIVE TECHNOLOGIES IN AGRICULTURE AND ECONOMIC CHALLENGES (ON THE EXAMPLE OF AEROPONICS)." Economic Profile 16, no. 1(21) (July 16, 2021): 82–91. http://dx.doi.org/10.52244/ep.2021.21.08.

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In parallel with world population growth, demand for healthy and clean agricultural products is increasing day by day. To satisfy expected increases in agricultural products within traditional methods becomes more and more difficult, considering the climate change and soil degradation. There is a need to adopt and develop innovative agricultural practices. One of the most effective and new methods that can be used is Aeroponics. Aeroponics is a process of growing plants, within a controlled environment, in the absence of soil, with a small amount of water, using a minimum area of 3-dimensional greenhouse farming, where the cultivation period, compared to the traditional, is faster and prolonged throughout the year. Regarding this matter, we find it reassuring, that Georgian companies are not lagging behind the current global processes and are actively involved in refining or developing the Aeroponics system. The advantages of Aeroponics over the traditional method (Geoponics) can be classified as follows: • Requires less water. • Plant fertility does not depend on soil quality, or weather conditions. moreover, soil is not required at any stage of plant vegetation. • Has the highest vegetation per square meter compared to all other existing methods (Geoponics, Hydroponics), which is due to the possibility of 3-dimensional farming in Aeroponics. • Reduces transportation cost, since greenhouses can be organized directly in the cities and in urban areas. • The plans can be planted all year round regardless of meteorological conditions and seasonality. • Since nutrients and minerals are systematically provided to the plants’ roots, the process of its growth and consequently fertility lasts longer than the traditional method. As for disadvantages of using Aeroponics can be summarize as following: • At the beginning stage, set up costs of all components for the Aeroponics are relatively high. • Aeroponics requires specialized knowledge not only regarding the needs for plants, but also of the whole electronic systems and tools, which are widely used in Aeronautics (for example: pH / EC / humidity meter, timers, high pressure atomizers, etc.) • Even minor mistakes can have negative effect. Specifically, if the plants do not get exactly as many vital minerals as needed, they will not survive. As already mentioned, soil is not used in Aeronautics which would neutralize excess minerals or nutrients. In conclusion, Aeroponics is the one of the most innovative and efficient ways of farming, which promises sustainable future production of the agricultural products. Furthermore, Aeroponics has minimal or no negative impact on the environment, while traditional farming uses water and land resources insufficiently.

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Peterson, Lloyd A., and Armand R. Krueger. "An Intermittent Aeroponics System." Crop Science 28, no. 4 (July 1988): 712–13. http://dx.doi.org/10.2135/cropsci1988.0011183x002800040033x.

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Kuncoro, C. Bambang Dwi, Tandi Sutandi, Cornelia Adristi, and Yean-Der Kuan. "Aeroponics Root Chamber Temperature Conditioning Design for Smart Mini-Tuber Potato Seed Cultivation." Sustainability 13, no. 9 (May 4, 2021): 5140. http://dx.doi.org/10.3390/su13095140.

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The aeroponic plant root environment has a significant role in producing high-quality seed tuber potatoes. However, in lowland and tropical regions, the aeroponic system cannot yield high-quality potato seed because the average environment temperature year-round is high. In a high-temperature environment, the potato plant roots cannot optimally absorb the nutrient solution for healthy plant growth. This paper presents the method used to maintain the aeroponics root chamber temperature conditions. An air conditioning system was adopted to supply air with the optimal temperature range for mini-tuber potato seed cultivation. The vapor compression refrigeration type was applied in the air conditioning system. The root chamber temperature is controlled and monitored using an Arduino Uno board system. The mini-tuber potato seed cultivation field experiment results show the proposed method can maintain the aeroponic root chamber temperature. The root chamber temperature treatment operated in the 10 °C–20 °C range. This temperature range improved the potato seed tuber yield. The potato seed tuber yield potential is observed from the stolon number produced by the mini-tuber potato plants cultivated in the root chamber with the conditioned temperature. The field experiment reveals that the stolon number produced by potato seeds cultivated in the root chamber with conditioned temperature was up to 77% greater than the number of potato seeds cultivated in the root chamber with the unconditioned temperature.

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Yang*, Eun Young, Jung-Sim Oh, and Yong-Beom Lee. "Photosynthetic Characteristics of Single-node Cutting Rose `Versillia' by Mineral Nutrient Control in a Closed Hydroponic System." HortScience 39, no. 4 (July 2004): 768C—768. http://dx.doi.org/10.21273/hortsci.39.4.768c.

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This experiment was carried out to observe the effect of mineral nutrient control in photosynthetic capacity of single-node cutting rose grown in a closed hydroponic system. Single-node cutting rose `Versillia' was grown in aeroponics and DFT system and was irrigated with the nutrient solution of the Univ. of Seoul (NO3 -N 8.8, NH4 -N 0.67, P 2.0, K 4.8, Ca 4.0, Mg 2.0 me·L-1). Recirculated nutrient solution was managed by five different control method: macro- and micro-element control in aeroponic system (M&M); macro-element control in aeroponic system (M); nutrient solution supplement in aeroponic system (S); electrical conductivity (EC) control in aeroponic system (EC-A); EC control in deep flow technique system (EC-D). The photosynthetic rate, stomatal conductance and transpiration rate at 35 days after transplant with M&M and M were higher compared to those with S, EC-A and EC-D. The maximal efficiency of photochemistry (Fv/Fm) was higher for M&M, M and S than that with EC-A and EC-D. Therefore, it is possible to increase photosynthetic capacity of rose with mineral nutrient control in recirculated nutrient solution.

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Pasch, Johannes, Samuel Appelbaum, Harry Wilhelm Palm, and Ulrich Knaus. "Growth of Basil (Ocimum basilicum) in Aeroponics, DRF, and Raft Systems with Effluents of African Catfish (Clarias gariepinus) in Decoupled Aquaponics (s.s.)." AgriEngineering 3, no. 3 (July 15, 2021): 559–74. http://dx.doi.org/10.3390/agriengineering3030036.

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Basil (Ocimum basilicum) was cultivated in three hydroponic subsystems (i) a modified commercial aeroponics, (ii) a dynamic root floating (DRF) system, and (iii) a floating raft system in a decoupled aquaponic system in Northern Germany, Mecklenburg–Western Pomerania. For plant nutrition, aquaculture process water from intensive rearing of African catfish (Clarias gariepinus) was used without fertilizer. After 39 days, 16 plant growth parameters were compared, with aeroponics performing significantly better in 11 parameters compared with the DRF, and better compared with the raft in 13 parameters. The economically important leaf wet and dry weight was over 40% higher in aeroponics (28.53 ± 8.74 g; 4.26 ± 1.23 g), but similar in the DRF (20.19 ± 6.57 g; 2.83 ± 0.90 g) and raft (20.35 ± 7.14 g; 2.84 ± 1.04 g). The roots in the DRF grew shorter and thicker; however, this resulted in a higher root dry weight in aeroponics (1.08 ± 0.38 g) compared with the DRF (0.82 ± 0.36 g) and raft (0.67 ± 0.27 g). With optimal fertilizer and system improvement, aquaponic aeroponics (s.s.) could become a productive and sustainable large-scale food production system in the future. Due to its simple construction, the raft is ideal for domestic or semi-commercial use and can be used in areas where water is neither scarce nor expensive. The DRF system is particularly suitable for basil cultivation under hot tropical conditions.

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Ferrini, Fabio, Daniele Fraternale, Sabrina Donati Zeppa, Giancarlo Verardo, Andrea Gorassini, Vittoria Carrabs, Maria Cristina Albertini, and Piero Sestili. "Yield, Characterization, and Possible Exploitation of Cannabis Sativa L. Roots Grown under Aeroponics Cultivation." Molecules 26, no. 16 (August 12, 2021): 4889. http://dx.doi.org/10.3390/molecules26164889.

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Cannabis sativa L. has been used for a long time to obtain food, fiber, and as a medicinal and psychoactive plant. Today, the nutraceutical potential of C.sativa is being increasingly reappraised; however, C. sativa roots remain poorly studied, despite citations in the scientific literature. In this direction, we identified and quantified the presence of valuable bioactives (namely, β-sitosterol, stigmasterol, campesterol, friedelin, and epi-friedelanol) in the root extracts of C. sativa, a finding which might pave the way to the exploitation of the therapeutic potential of all parts of the C. sativa plant. To facilitate root harvesting and processing, aeroponic (AP) and aeroponic-elicited cultures (AEP) were established and compared to soil-cultivated plants (SP). Interestingly, considerably increased plant growth—particularly of the roots—and a significant increase (up to 20-fold in the case of β-sitosterol) in the total content of the aforementioned roots’ bioactive molecules were observed in AP and AEP. In conclusion, aeroponics, an easy, standardized, contaminant-free cultivation technique, facilitates the harvesting/processing of roots along with a greater production of their secondary bioactive metabolites, which could be utilized in the formulation of health-promoting and health-care products.

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Yang*, Eun Young, Keum Soon Park, Dong Soo Lee, and Yong-Beom Lee. "Growth and Fertilizer Consumption of Single-node Cutting Rose `Versillia' by Mineral Nutrient Control in a Closed Hydroponic System." HortScience 39, no. 4 (July 2004): 768A—768. http://dx.doi.org/10.21273/hortsci.39.4.768a.

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This study was conducted to understand the effect of different nutrient control method on the growth, cut-flower quality, root activity and fertilizer consumption. Single-node cutting rose `Versillia' was grown in aeroponics and DFT system and was irrigated with the nutrient solution of the Univ. of Seoul (NO3 -N 8.8, NH4 -N 0.67, P 2.0, K 4.8, Ca 4.0, Mg 2.0 me·L-1). Recirculated nutrient solution was managed by five different control method: macro- and micro-element control in aeroponic system (M&M); macroelement control in aeroponic system (M); nutrient solution supplement in aeroponic system (S); electrical conductivity (EC) control in aeroponic system (EC-A); EC control in deep flow technique system (EC-D). The mineral nutrient control method had significantly effected on the cut-flower quality. In the M&M and M, flower length, fresh weight and root activity were higher than those with other mineral nutrients control method. Although EC-A and EC-D could save total amount of fertilizer compared to M&M and M, the growth and quality of the rose with EC control system were lower than those with mineral nutrient control system. Therefore, these result suggest that EC control system is not economic method in a closed hydroponic system.

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Yang*, Eun Young, Hye Jin Lee, and Yong-Beom Lee. "Absorption of Nutrient Elements on Single-node Cutting Rose `Versillia' as Affected by Mineral Nutrient Control in a Closed Hydroponic System." HortScience 39, no. 4 (July 2004): 768B—768. http://dx.doi.org/10.21273/hortsci.39.4.768b.

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The application of a closed hydroponic system for rose poses some horticultural problems. The nutrient uptake by the plants changes constantly depending upon environmental conditions and growing stages, which results in the imbalanced composition of the drained solution and aggravates root environmental conditions. This research was aimed to observe the effect of mineral nutrient control method on the nutrient solution management in a closed hydroponic system. Single-node cutting rose `Versillia' was grown in aeroponics and DFT system and was irrigated with the nutrient solution of the Univ. of Seoul (NO3 -N 8.8, NH4 -N 0.67, P 2.0, K 4.8, Ca 4.0, and Mg 2.0 me·L-1). Recirculated nutrient solution was managed by five different control method: macro- and micro-element control in aeroponic system (M&M); macroelement control in aeroponic system (M); nutrient solution supplement in aeroponic system (S); electrical conductivity (EC) control in aeroponic system (EC-A); EC control in deep flow technique system (EC-D). In the EC control method, the concentration of NO3 -N exceeds optimal range whereas P and Mg decreased at the later stage of plant growth. The overall mineral nutrient content increased with S. On the other hand, the nutrient content of root environment was maintained optimally with M&M and M.

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Maroya, Norbert. "Yam Propagation Using ‘Aeroponics’ Technology." Annual Research & Review in Biology 4, no. 24 (January 10, 2014): 3894–903. http://dx.doi.org/10.9734/arrb/2014/11632.

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Oteng-Darko, Patricia, Nicholas Kyei-Baffour, Emmanuel Otoo, and Wilson Agyei Agyare. "Growing Seed Yams in the Air: the Agronomic Performance of Two Aeroponics Systems Developed in Ghana." Sustainable Agriculture Research 6, no. 3 (July 11, 2017): 106. http://dx.doi.org/10.5539/sar.v6n3p106.

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Aeroponics has been perceived as a technology crammed innovation, far out of reach of the ordinary farmer. Apart from its continuous dependency on electrical power, the technology comes with very sophisticated inputs such as solenoid valves, timers, misters, CO2 tanks, and air and water pumps. The main objective of this study was to evaluate the option of using gravity-fed and pressurised aeroponics system for propagating seed yams from vine cuttings. The study was setup at the CSIR–Crops Research Institute in collaboration with the Agricultural Engineering Department of the Kwame Nkrumah University of Science and Technology. The basic advantage of the gravity-fed system is its non-dependency on electrical power, pumps or timers and its ability for continuous production. The two systems were set-up using conventional materials and equipment available on the local market. The treatments were arranged in a split-split-plot design with the two aeroponic units as the main plot, four nutrient concentration levels (C1 - , C2 - , C3 - and C4 -) as the sub plots and vine cuttings from three Dioscorea rotundata varieties (Dente, Pona and Mankrong Pona) as sub-sub plots respectively. Results showed there were significant differences (P<0.05) in minituber weight and days to emergence of planted miniubers. The agronomic response of the two systems in producing mini-tubers was suggestive of the fact that both systems could be used to effectively produce mini-tubers.

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Mujadin, Anwar. "Prototipe Chamber Pengaturan Suhu, Kelembaban dan Growing LED Tanaman Aeroponic." JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI 3, no. 1 (December 5, 2017): 44. http://dx.doi.org/10.36722/sst.v3i1.183.

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Abstrak – Aeroponic merupakan salah satu cara bercocok tanam dengan sistem pengkabutan, dimana akar tanamannya menggantung di udara tanpa media tanah, dan kebutuhan nutrisinya dipenuhi dengan cara spraying ke akarnya. Prototipe berbentuk chamber, hasil penelitian menunjukan, penyemprotan nutrisi ke akar sayuran disertai dengan pengendalian paparan cahaya tumbuh (light growing LED), tanaman mampu menyerap nutrisi dan berkembang secara optimal dengan data hasil pengamatan selama satu minggu berturut turut: ukuran kecambah naik 2 cm per hari, berat basah kecambah rata-rata 26 gram tiap pot. Kata Kunci: Aeroponics Chamber, Growing LED, Mist Maker Abstract –Aeroponic is one way farming using fogging system, where the roots of the vegetables hangs in the air without soil media, and nutrient requirement accomplished by spraying into root. Prototypes are chamber, observational result shown that the nutrient spraying into root of vegetables accompanied by esposure growing LED, the plant can be absorb nutrient optimally. With the observed data for one week respectively: sprout size ascends 2cm per day, every pots sprout wet weight average 26 grams. Keywords: Aeroponics Chamber, Growing LED, Mist Maker

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Martin-Laurent, Fabrice, Foong-Yee Tham, Sing-Kong Lee, Jie He, and Hoang G. Diem. "Field assessment of aeroponically grown and nodulated Acacia mangium." Australian Journal of Botany 48, no. 1 (2000): 109. http://dx.doi.org/10.1071/bt97115.

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Acacia mangium seedlings were grown and nodulated with selected elite strains of Bradyrhizobium spp. under aeroponic conditions. The aeroponics system is well known for furnishing a very rich air environment around the roots and has been shown in our earlier work to induce rapid growth and enhance performance of Acacia seedlings under greenhouse conditions. This paper reports that the positive effects on growth, such as increased height and leaf area, induced by aeroponic culture with the Bradyrhizobium strains, Tel 2 from Malaysia and Aust 13c from Australia, continued to be sustained for 4 months after plants were transferred to field conditions. Random sampling and analyses of Bradyrhizobia by polymerase chain reaction–restriction fragment length polymorphism (PCR–RFLP) also showed that Aust 13c continued to persist in root nodules of inocualated plants in the field, with inoculated plants having significantly higher nitrogen and phosphorus concentrations as well as higher photosynthetic rates than non-inoculated controls. The A. mangium plants were only 8 months old from germination but had already reached mean heights of approximately 2.4 m. The results suggest that aeroponic growth and nodulation should be further investigated for their potential to promote growth of A. mangium, especially on difficult soils.

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Oakes, Allison D., Nicholas A. Kazcmar, Charles A. Maynard, and William A. Powell. "Vegetative Propagation of American Elm (Ulmus Americana) Varieties from Softwood Cuttings." Journal of Environmental Horticulture 30, no. 2 (June 1, 2012): 73–76. http://dx.doi.org/10.24266/0738-2898.30.2.73.

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Softwood cuttings of American elm varieties ‘Jefferson’, ‘New Harmony’, ‘Princeton’, ‘R18-2’, ‘Valley Forge’, and a tissue-cultured non-transformed control clone (BP-NT) were rooted using three different treatments to determine which method would be most suitable for small-scale propagation. The treatments included aeroponic chambers, an intermittent-mist bench in a greenhouse, and Grodan rootplugs soaked in a nutrient solution. The rootplug treatment had the highest percentage of rooted shoots (44%) followed by the intermittent-mist bench treatment (20%) and lastly by the aeroponics chambers (10%). The rooted cuttings from the rootplug treatment also looked substantially healthier and had more fresh growth four weeks after potting than the other two treatments. The Grodan rootplug treatment is recommended, but additional testing can be useful to improve the overall rooting percentage.

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Marler, Thomas E. "592 PB 164 POST-TRANSPLANT ROOT GROWTH OF CITRUS PLANTS AS INFLUENCED BY PRODUCTION TIME IN NURSERY CONTAINERS." HortScience 29, no. 5 (May 1994): 516f—516. http://dx.doi.org/10.21273/hortsci.29.5.516f.

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An aeroponics system was used to determine root growth of Citrus aurantifolia Swingle following removal from containers. Rooted cuttings were planted in 0.46-liter containers in a 1 sand: 1 perlite medium, and watered daily and fertilized with a complete nutrient solution weekly. The plants were grown in the containers until root growth had filled the container volume. A sample of plants was removed from the bench after 86, 146, or 210 days in container production. Plants were bare-rooted and the existing root system dyed with methylene blue, and placed in the aeroponics system. The plants were maintained in the aeroponics system for 50 days, then were harvested and the roots separated into pre-existing roots and new roots. Two dimensional area and dry weight of roots were measured. Relative new root growth of plants that were maintained 210 days in the containers was less than that of plants that were removed from containers earlier. The data indicate that maintaining plants in containers for extended periods of time may reduce root regeneration following removal from containers.

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Zobel, R. W., and Laura Matthews. "ULTRASONIC AEROPONICS - SOILLESS CULTURE OF THE FUTURE." HortScience 27, no. 6 (June 1992): 622e—622. http://dx.doi.org/10.21273/hortsci.27.6.622e.

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Aeroponics, as a method of soilless culture, has been in intermittent use since the 1950's. Early Russian and Italian research suggested that productivity and use of space was optimized with this technique. Prior to the introduction of ultrasonic techniques, aeroponics utilized spray nozzles or spinning disks. In addition to the need for frequent cleaning, the first results in the formation of a boundary layer on the root surface, similar to that formed in hydroponics, which results in nutrient and aeration gradients. The second results in significant physical disturbance to the root system and, except under very controlled conditions, also develops a boundary layer. Ultrasonic fogs avoid these side effects and allow the use of carbon dioxide enrichment of the root zone as well as reduced nutrient concentrations. Initial results with commercially available equipment are very promising. Commercial implementations of ultrasonic aeroponics promise to be far less energy and manpower intensive than any other method of plant culture. Lettuce, corn, tomato, soybean, dry bean, and geraniums have all been cultured with this method.

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Antal, G., E. Kurucz, K. Koncz, L. Kaszás, and M. G. Fári. "Effect of hydroponic and peat-free media in transplant production of Rudbeckia hirta varieties under different photoperiodic lighting and their photosynthetic parameters." International Journal of Horticultural Science 27 (August 10, 2021): 110–17. http://dx.doi.org/10.31421/ijhs/27/2021/9865.

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The purpose of this research was to determine the effects of varieties, different light conditions (short day, long day, natural short day with light pollution), and different growing media (perlite, peat-free, peat-based, aeroponics system) on Rudbeckia hirta plant production under controlled conditions (greenhouse). The morphological effects of each treatment (photoperiodic lightings and media) on different Rudbeckia varieties determined at 11 weeks-old ’Napfény’, ’Toto Gold’, ’Autumn Colors’, ’Prairie Sun’ and 16 weeks-old ’Napfény’. Plantlets received 12 hours daylight did not initiate flowers, remained stage of the leaf rosette in case of all varieties. The 14 hours light treatment in the aeroponics system and the same treatment in perlite and control (natural short day with 14 hours light pollution) plantlets had developed inflorescences or flower buds. The inflorescence axis of ‘Napfény’ was appeared at 13 weeks under long-day conditions, with 1.7 (perlite) - 2.7 (aeroponics) flower buds in 16 weeks. ’Toto Gold’, ’Autumn Colors’, ’Prairie Sun’ varieties developed inflorescences at 8 weeks, 14 hours aeroponics system resulted in the most of flower buds (’Toto Gold’: 6.5, ’Autumn Colors’: 3.25,’Prairie Sun’: 4.8 flower buds) at 11 weeks. Long daylight manipulation could be minimized crop times and achieved flowering potted plants at 11 weeks. The peat-based and peat-free media effect was observed on ‘Autumn Colors’. The number of leaves of peat-free ‘Autumn Colors’ transplants (16.8-20.3) was significantly higher than peat-based media (13.5-15.5). Other morphological parameters were not affected by the media treatments.

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Christie, C. B., and M. A. Nichols. "AEROPONICS - A PRODUCTION SYSTEM AND RESEARCH TOOL." Acta Horticulturae, no. 648 (February 2004): 185–90. http://dx.doi.org/10.17660/actahortic.2004.648.22.

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Nichols, M. A., and C. B. Christie. "CONTINUOUS PRODUCTION OF GREENHOUSE CROPS USING AEROPONICS." Acta Horticulturae, no. 578 (June 2002): 289–91. http://dx.doi.org/10.17660/actahortic.2002.578.35.

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Liu, Jing, and Yun Wei Zhang. "An Automatic Aeroponics Growth System Based on Ultrasonic Atomization." Applied Mechanics and Materials 288 (February 2013): 161–66. http://dx.doi.org/10.4028/www.scientific.net/amm.288.161.

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An automatic aeroponics growth system is developed in this paper on the base of ultrasonic atomization which has more advantages to product nutrient mist compared with other traditional atomizing type. The system is mainly consist of two parts including the aeroponics culture mechanism and automatic control device. The structure of the growth system and its working principle are introduced in detail, and its components, software and hardware designing are given in the paper. In order to improve atomization efficiency of nutrient solution for uniform nutriment absorption at the root system, the ultrasonic atomizer, which can atomize the nutrient solution to the ultrafine particles of 1-5 microns diameter, is employed as the key component of system. Considering the effects of temperature and humidity on plant root growth, a digital temperature-humidity sensor is used to detect the environmental signal of the plant root system . The temperature and humidity information can be transmitted to MCU which automatically controls the actuators to adjust the temperature and humidity of nutrient mist in a expected range. The system with features of simple structure and convenient control can supply a experimental platform which is not only comfortable for aeroponics culture, but also convenient for morphologic observation of plant roots.

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Biddinger, Eric J., Chunming Liu, and K. G. Raghothama. "Physiological and Molecular Changes in Aeroponically Grown, Phosphate-starved Tomatoes." HortScience 31, no. 4 (August 1996): 701d—701. http://dx.doi.org/10.21273/hortsci.31.4.701d.

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We are interested in understanding the molecular changes that occur in response to phosphate starvation in the roots of tomato plants. Aeroponics offers a unique way to study the changes that occur in the roots of plants. Tomato plants were grown in an aeroponic system developed by L.A. Peterson at the Univ. of Wisconsin. Aeroponically grown tomato plants were treated with various concentrations of phosphate (Pi) ranging from 0 to 250 μm. Plants were harvested at different times after the initiation of Pi deficiency treatments for nutrient analysis and gene expression studies. Several changes in essential nutrient content were observed. A differential accumulation of magnesium between the root and shoot tissue of phosphorus-starved plants was noticed. The expression of a recently cloned phosphate starvation induced gene (TPSI1) increased with decreasing concentration of Pi in the growth media. There is a strong correlation between the concentration of the Pi in the growth media and expression of the gene. The effect of Pi starvation on the gene expression in different parts of the plant, including old and young leaves, will be discussed.

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Chiipanthenga, Margaret, Moses Maliro, Paul Demo, Joyce Njoloma, and Navin Khumar. "Performance of different potato genotypes under aeroponics system." Journal of Applied Horticulture 15, no. 02 (August 15, 2013): 142–46. http://dx.doi.org/10.37855/jah.2013.v15i02.28.

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Wiriya-Alongkorn, W., S. Ongprasert, W. Spreer, T. Müller, and U. Srikasetsarakul. "AEROPONICS TO MONITOR ROOT GROWTH OF LONGAN TREES." Acta Horticulturae, no. 863 (May 2010): 403–6. http://dx.doi.org/10.17660/actahortic.2010.863.54.

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Johnstone, P. R., M. A. Nichols, K. J. Fisher, and J. Reid. "NUTRITIONAL STUDIES WITH PROCESSING TOMATO GROWN IN AEROPONICS." Acta Horticulturae, no. 542 (August 2001): 143–52. http://dx.doi.org/10.17660/actahortic.2001.542.17.

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Kacjan-Maršić, N., and J. Osvald. "Nitrate content in lettuce (Lactuca sativa L.) grown on aeroponics with different quantities of nitrogen in the nutrient solution." Acta Agronomica Hungarica 50, no. 4 (December 1, 2002): 389–97. http://dx.doi.org/10.1556/aagr.50.2002.4.1.

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The influence of different quantities of nitrogen in the nutrient solution on growth, development and nitrate content was studied in aeroponically grown lettuce (Lactuca sativa L.). Three successive experiments were conducted in 1999 from April to September, in an aeroponic system. The lettuce plants, cv. Vanity, were grown in aeroponics using four different amounts of nitrogen in the nutrient solutions. The pH level was maintained between 5.5 and 6.5, and the EC between 1.8 and 2.2 mS/cm. Fresh weight measurements were made on all the material. The differences between the mean fresh shoot weights were statistically significant in all three experiments. In the first experiment, the maximum final fresh weight in the treatment with 8 mM nitrogen averaged 999.0 g. In the second and third experiments the largest amount of nitrogen, 12 mM NO3-N, significantly (p<0.05) increased the fresh shoot weight of lettuce plants. low levels of nitrate in the nutrient solution (4 mM NO3-N in the first and 1.2 mM NO3-N in the second aeroponic experiment) significantly (p<0.05) increased the fresh weight of the final roots compared with the level of nitrate in standard nutrient solution (12 mM NO3-N). The differences between the means for plant height were statistically significant (p<0.05) in all three experiments. In the first and third experiments the lengths of the primary roots of the lettuce plants were significantly (p<0.05) influenced by different NO3-N concentrations in the nutrient solution. The highest NO3- concentration in the lettuce leaves was recorded in plants grown in nutrient solutions with the highest NO3-N concentration (17 mM in the first, 12 mM in the second and third experiments). An acceptably low NO3- concentration was found in the leaves of lettuce treated containing with nutrient solution 4 mM NO3-N in all three experiments.

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Weathers, P. J., and R. W. Zobel. "Aeroponics for the culture of organisms, tissues and cells." Biotechnology Advances 10, no. 1 (January 1992): 93–115. http://dx.doi.org/10.1016/0734-9750(92)91353-g.

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Calori, Alex Humberto, Thiago Leandro Factor, José Carlos Feltran, Eduardo Yuji Watanabe, Carolina Cinto de Moraes, and Luís Felipe Villani Purquerio. "Electrical conductivity of the nutrient solution and plant density in aeroponic production of seed potato under tropical conditions (winter/spring)." Bragantia 76, no. 1 (February 13, 2017): 23–32. http://dx.doi.org/10.1590/1678-4499.022.

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ABSTRACT The recent introduction in Brazil of production of quality seed potatoes in hydroponic systems, such as aeroponics, demands studies on the nutritional and crop management. Thus, this study evaluated the influence of electrical conductivity of the nutrient solution and plant density on the seed potato minitubers production in aeroponics system. The Agata and Asterix cultivars were produced in a greenhouse under tropical conditions (winter/spring). The experimental design was a randomized block in a split-split plot design. The plot consisted of 4 electrical conductivities of the nutrient solution (1.0; 2.0; 3.0; and 4.0 dS∙m−1); the subplot, of 4 plant densities (25; 44; 66; and 100 plants∙m−2); and the subsubplot, of the 2 potato cultivars (Ágata and Asterix), totaling 4 blocks. The 2.2 and 2.1 dS∙m−1 electrical conductivities yielded the highest productivity of seed potato minitubers, for Ágata and Asterix cultivars, respectively, regardless of plant density. For both cultivars, the highest yield was observed for the 100 plants∙m−2 density.

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du Toit, Lindsey J., H. Walker Kirby, and Wayne L. Pedersen. "Evaluation of an Aeroponics System to Screen Maize Genotypes for Resistance to Fusarium graminearum Seedling Blight." Plant Disease 81, no. 2 (February 1997): 175–79. http://dx.doi.org/10.1094/pdis.1997.81.2.175.

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A noncirculating aeroponics system was evaluated as a method for rapid screening of maize genotypes for resistance to Fusarium graminearum seedling blight/root rot. The system allows for nondestructive, repetitive sampling of seedlings for assessing disease progress and seedling growth. Shoot growth and root rot were assessed at 3-day intervals, and final shoot and root dry weight were determined 15 days after inoculation. The nine hybrids screened differed in severity of root rot as early as 6 days after inoculation, indicating differences in resistance to F. graminearum. Inoculation did not always significantly affect shoot growth, root dry weight, or shoot dry weight, but differences in these agronomic traits were observed among hybrids.LH119 × LH51 and Pioneer Brand 3379 showed the greatest resistance to root rot. Area under-disease progress curve and a critical stage of disease assessment (9 days after inoculation) gave similar rankings of hybrids for root rot resistance, indicating that a single disease assessment (versus multiple assessments) may be adequate in screening for resistance with this aeroponics system.

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Hayden, A. L., T. N. Yokelsen, G. A. Giacomelli, and J. J. Hoffmann. "AEROPONICS: AN ALTERNATIVE PRODUCTION SYSTEM FOR HIGH-VALUE ROOT CROPS." Acta Horticulturae, no. 629 (January 2004): 207–13. http://dx.doi.org/10.17660/actahortic.2004.629.27.

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Argo, Bambang Dwi, Yusuf Hendrawan, and Ubaidillah Ubaidillah. "A fuzzy micro-climate controller for small indoor aeroponics systems." TELKOMNIKA (Telecommunication Computing Electronics and Control) 17, no. 6 (December 1, 2019): 3019. http://dx.doi.org/10.12928/telkomnika.v17i6.12214.

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Souret, Frédéric F., and Pamela J. Weathers. "The Growth of Saffron (Crocus sativusL.) in Aeroponics and Hydroponics." Journal of Herbs, Spices & Medicinal Plants 7, no. 3 (December 18, 2000): 25–35. http://dx.doi.org/10.1300/j044v07n03_04.

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Burgess, Treena, Jen McComb, Giles Hardy, and Ian Colquhoun. "Influence of Low Oxygen Levels in Aeroponics Chambers on Eucalypt Roots Infected with Phytophthora cinnamomi." Plant Disease 82, no. 4 (April 1998): 368–73. http://dx.doi.org/10.1094/pdis.1998.82.4.368.

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Aeroponics root chambers were designed to evaluate the influence of low oxygen on disease development in clones of Eucalyptus marginata susceptible or resistant to infection by Phytophthora cinnamomi. Actively growing 7-month-old clones of E. marginata were transferred into the aeroponics chambers, into which a nutrient solution was delivered in a fine spray, providing optimal conditions for root growth. Prior to inoculation by zoospores of P. cinnamomi under normal oxygen, the roots were exposed to four treatments: (i) normal oxygen, approximately 8 mg of O2 liter-1; (ii) 6 days of hypoxia, 2 mg of O2 liter-1; (iii) anoxic acclimatization 2 days at 2 mg of O2 liter-1, 2 days at 1 mg of O2 liter-1, 2 days at 0.5 mg of O2 liter-1, 2 days at 2 mg of O2 liter-1, and 6 h at <0.05 mg of O2 liter-1; and (iv) 6 h of anoxia, <0.05 mg of O2 liter-1. Root extension during hypoxia was greatly reduced. Lesion development was least for roots exposed to hypoxia and greatest for roots exposed to anoxia for 6 h, suggesting increased resistance of E. marginata to P. cinnamomi following hypoxia.

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Sumarni, Eni, Arief Sudarmaji, Herry Suhardiyanto, and Dan Satyanto Krido Saptomo. "Produksi Benih Kentang Sistem Aeroponik dan Root Zone Cooling dengan Pembedaan Tekanan Pompa di Dataran Rendah." Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 44, no. 3 (January 20, 2017): 299. http://dx.doi.org/10.24831/jai.v44i3.12855.

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ABSTRACT Nutrition pumps pressure is important in aeroponic. Optimal pump pressure produces well oxygenation, so that increases the dissolved oxygen content in the nutrition. It is good for plant roots. The purpose of this study was to determine pump pressure on the growth and yield potato seeds grown in aeroponics in lowland 125 m asl with root zone cooling. This study used a randomized block design non factorial. Data were analyzed using analysis of variance followed by a further test of orthogonal contrasts at the level of α = 5%. Results showed that different pump pressure on the provision of nutrient, temperature cooling in the root zone gave different results on the number of potato tubers per plant and weight per tuber in each variety. Root zone cooling temperature 15 °C, the pump pressure> 1.5 atm produce highest number of tubers per plant, i.e. 11.8 tuber of Granola variety and 8.2 tuber of Atlantic variety. The was no tuber produced from control (without referigeration). The highest weights per tuber (10.35 and 5.01 g for Atlantic and Granola variety, respectively) were reached with cooling temperature at 15 °C and the pump pressure > 1.5 atm. Keywords: evaporative cooling, hydroponics, potato, tuber, variety

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Lesmes-Vesga, Ricardo A., José X. Chaparro, Ali Sarkhosh, Mark A. Ritenour, Liliana M. Cano, and Lorenzo Rossi. "Effect of Propagation Systems and Indole-3-Butyric Acid Potassium Salt (K-IBA) Concentrations on the Propagation of Peach Rootstocks by Stem Cuttings." Plants 10, no. 6 (June 6, 2021): 1151. http://dx.doi.org/10.3390/plants10061151.

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Traditionally, peach rootstocks are propagated by seeds due to their high availability, low cost, and easy storage and handling. However, stem cuttings allow the propagation of interspecific hybrids and keep the genetic uniformity of heterozygous genotypes. This study compared the effect of four different concentrations of K-IBA (indole-3-butyric acid potassium salt) on softwood cuttings of three peach backcrosses (peach × (peach × almond)) for rootstock propagation in two propagation systems: aeroponics and germination trays. The four concentrations of K-IBA applied were: 0.0% (w/v) as a control, 0.1% (w/v), 0.2% (w/v), and 0.4% (w/v). Data were collected on the survival rate (%), rooting rate (%), and root growth parameters. The relevance of auxin for peach cuttings rooting was evidenced. K-IBA at 0.2% showed the best rooting effect for peach softwood cuttings, evidenced by its high rooting rate and higher survival rate. K-IBA at 0.4% and 0.2% produced the highest number of adventitious roots. The highest root growth parameters were obtained in germination trays, confirming the suitability of this system for root growth. However, aeroponics was demonstrated to be as efficient as the traditional germination trays for the rooting of peach cuttings, allowing for a more controlled environment with a better use of resources.

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BARAK, P., J. D. SMITH, A. R. KRUEGER, and L. A. PETERSON. "Measurement of short-term nutrient uptake rates in cranberry by aeroponics." Plant, Cell and Environment 19, no. 2 (February 1996): 237–42. http://dx.doi.org/10.1111/j.1365-3040.1996.tb00246.x.

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Liu, Jing, and Yun Wei Zhang. "An Automatic Aeroponics Growth System for Bamboo Seedling and Root Observation." Applied Mechanics and Materials 307 (February 2013): 97–102. http://dx.doi.org/10.4028/www.scientific.net/amm.307.97.

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According to the biological characteristics of bamboo seedling, an automatic aeroponics growth system is developed for bamboo seedling and root observation, which can prepare good condition of water-fertilizer, air and warm during bamboo seedling. The ultrasonic atomizer is used to atomize the nutrient solution to the ultrafine particles of 1-5 microns diameter. Compared with traditional piezometrical atomization, this method can not only improve atomization efficiency of nutrient solution to promote uniform absorption at the roots, but also avoid the phenomenon of root-washing. In addition, considering the significant effect of temperature and humidity on bamboo root growth, a temperature-humidity control system is designed for automatic control of water-fertilizer and temperature in bamboo root growth environment. The system supplies an experimental platform with features of simple structure and convenient control. In the procedure of bamboo seedling, bamboo rhizome and shoot can grow fast because of enough moisture nutrition, good breathing, and low growth resistance. Furthermore, it is also convenient for morphologic observation of bamboo roots.

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Sharipov, R. R., G. V. Kotelnikov, I. V. Volko, and A. M. Makarov. "DEVELOPMENT AND STUDY OF SOLUTION UNIT FOR AUTOMATED AEROPONICS GROWING PLANT." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 3(250) (March 26, 2021): 74–78. http://dx.doi.org/10.35211/1990-5297-2021-3-250-74-78.

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Research and development of a solution node of an automated plant for aeroponic growing have been considered. The paper describes the options for storing mother solutions, the methods for their dilution, automation of the Ph control process, the methods for selective assessment of the concentration of nutrients by NPK. A number of key problems that limit the full automation of solution nodes in a closed cycle of plant growing have been highlighted.

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Sugiyono, Sugiyono, Lucky Prayoga, Elly Proklamasiningsih, Khavid Faozi, and Rendie Prasetyo. "Effects of Media and Plant Growth Regulators on Mini-Tuber Yield of Granola Cultivar of Potato in Aeroponics System." AgriHealth: Journal of Agri-food, Nutrition and Public Health 2, no. 1 (August 6, 2021): 55. http://dx.doi.org/10.20961/agrihealth.v2i1.53197.

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Potato is a perennial plant (Solanum tuberosum L.) in the nightshade family, which is one of the most developed and competitive vegetable crops compared to other vegetables. Furthermore, its production could not meet the increasing demand, which led to very intensive research and development programs. This research aims to examine the effect of nutrients and growth regulators on the yield of mini-tuber in the aeroponic system and to determine the best type of nutrient, as well as the type and concentration of plant growth regulators to increase mini-tubers yield in an aeroponics system. This experiment has been carried out experimentally using a split-split plot design. The main plots were the types of nutrient media, which consisted of Grow More-modified nutrient and AB-Mix nutrient. The sub-plots were the types of plant growth regulator (PGR), which consisted of BAP and GA3, while the sub-sub-plot were the concentrations of PGR, which consisted of 0; 5; 10; 15; 20 and 25 µM. Each combination of treatments was repeated three times. The results showed that the use of media type, PGR and PGR concentration affected the formation and yield of Granola cultivar of potato mini-tubers. Knols grown in AB-Mix nutrient medium supplemented with 20 µM GA3 resulted in the best mini-tuber formation, as shown by the average number of mini-tubers of 8.33, the total weight of mini-tubers of 21.38 g and the average mini-tuber diameter of 13.05 mm.

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Balena, Leonardo, João Pedro Malanchuk, Cleto Tamanini Junior, Erica L. Ribas, Vlandiney Eschemback, and Jackson Kawakami. "Growth, yield and dormancy of aeroponically produced potato minitubers as a function of planting density and harvesting date." Horticultura Brasileira 39, no. 2 (April 2021): 161–68. http://dx.doi.org/10.1590/s0102-0536-20210206.

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ABSTRACT Potato seed is one of the largest costs of a crop. This is mostly due to the incidence and spread of viruses that occurs when the crop is grown in the open field. Thus, it is necessary to obtain virus-free potato plantlets through meristem isolation, with subsequent cultivation in a protected environment, where it is easier to control virus-spreading insects. One way to increase greenhouse viability is by multiplicating potato seed using high technology systems, among them, aeroponics. The objective of this work was to determine the effect of planting density on the growth and yield of potato plants cv. Agata in aeroponic cultivation, and the effect of harvesting dates and planting densities on the dormancy of harvested minitubers. The number of stems, leaves, and the number and fresh weight of minitubers/plant reduced when planting density was increased from 60 to 180 plants/m2. However, the number of stems, leaves, initiated minitubers, and the number and fresh weight of minitubers/m2 increased when planting density was increased from 60 to 180 plants/m2. The maximum number of type III minitubers (>30 mm) was 613/m2, obtained at the density of 180 plants/m2. Plant density did not affect the dormancy of harvested minitubers, but harvesting date did. Minitubers obtained from latter harvesting dates had a shorter dormancy period. Minitubers harvested at 78 and 64 days after transplanting sprouted 21 and seven days earlier than those picked at 50 days after transplanting.

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Anitha, P., and P. S. Periasamy. "Energy Efficient Green House Monitoring in the Aeroponics System using Zigbee Networks." Asian Journal of Research in Social Sciences and Humanities 6, no. 6 (2016): 2243. http://dx.doi.org/10.5958/2249-7315.2016.00358.0.

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Sumarni, Eni, G. H. Sumartono, and Satyanto Krido Saptomo. "Application of Zone Cooling in Aeroponics System for Medium Wet Tropical Climates." Jurnal Keteknikan Pertanian 01, no. 1 (October 1, 2013): 99–106. http://dx.doi.org/10.19028/jtep.01.1.99-106.

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Farran, Imma, and Angel M. Mingo-Castel. "Potato minituber production using aeroponics: Effect of plant density and harvesting intervals." American Journal of Potato Research 83, no. 1 (January 2006): 47–53. http://dx.doi.org/10.1007/bf02869609.

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Cao, Dai Minh, Phuong Thi Bach Vu, Minh Thi Thanh Hoang, Anh Lan Bui, and Phuong Ngo Diem Quach. "Developing a Sufficient Protocol for the Enhancement of α-Glucosidase Inhibitory Activity by Urena lobata L. Aeroponic Hairy Roots Using Exogenous Factors, a Precursor, and an Elicitor." Plants 9, no. 4 (April 23, 2020): 548. http://dx.doi.org/10.3390/plants9040548.

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Aeroponics is considered as a potential method for the culture of herbal plants due to the high growth rate, quantity and quality enhancement of secondary metabolites, and substantial environmental progress associated with this method. The aim of this study was to develop a sufficient protocol for successful Urena lobata hairy root induction by Agrobacterium rhizogenes ATCC 15834, using a precursor and elicitor to enhance α-glucosidase inhibitory activity (GIA) of aeroponic hairy roots (AHRs) in greenhouse conditions. In this study, we found that the optimized procedure (10 min, Woody plant medium (WPM), 1/25 salt strength) had an outstanding effect with a reduction in the rooting time (RT), promotion of the rooting rate (RR), and increase in the fresh weight (FW) and dry weight (DW) compared with the original procedure (30 min, Murashige and Skoog (MS) medium, 1/25 salt strength) after 30 days of culture. The highest DW, GIA, flavonoid (FLA) and phenolic (PHEL) contents were observed for individual addition of 10 mM phenylalanine (PA) or 50 mM chitosan (CS) in the late exponential phase (eighth week) with 15 days of elicitation compared to the control AHRs. However, individual treatment was less effective than the combination of the two. Positive correlations among the GIA, FLA and PHEL indicate that AHRs accumulated phenolic compounds, leading to an increase in the GIA by a synergistic effect. In conclusion, the culture of Urena lobata AHRs with PA and CS is an efficient procedure to produce GIA material in greenhouse conditions.

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Journal articles on the topic 'Aeroponics'

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