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Journal articles on the topic 'Shoots and roots production'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Nadeau, Léonie B., Jane R. King, and K. Neil Harker. "Comparison of Growth of Seedlings and Plants Grown from Root Pieces of Yellow Toadflax (Linaria vulgaris)." Weed Science 40, no. 1 (1992): 43–47. http://dx.doi.org/10.1017/s0043174500056927.

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Different growth rates of young seedlings (genets) and plants grown from root pieces (ramets) of yellow toadflax could influence their respective competitive ability and their susceptibility to management techniques. Shoot production was similar for genets and ramets (approximately 10 shoots were produced 12 or 13 wk after transplanting or cotyledon appearance, respectively), but the rate of shoot biomass accumulation was higher for genets than for ramets. Genets consistently produced more underground shoots than ramets. Replanted underground shoots separated from their roots were able to prod

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2

Dona, Fauzia, Gustian Gustian, and Wulan Kumala Sari. "Pengaruh Konsentrasi Rootone F terhadap Induksi Akar dan Tunas Stek Pucuk Kopi Arabika (Coffea arabica)." Jagur Jurnal Agroteknologi 5, no. 1 (2023): 1. http://dx.doi.org/10.25077/jagur.5.1.1-6.2023.

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Coffee is a plantation commodity which important to increase its production, such as by vegetative propagation i.e., shoot cuttings that stimulated by Plant Growth Regulators (PGR). The research was on the effect of Rootone F concentrations on roots and shoots induction of Arabica coffee (Coffea arabica) shoot cuttings, it was carried out at the smallholder coffee plantation Solok Radjo in Aie Dingin Village, Lembah Gumanti District, Solok Regency on April until August 2022. The objectives of this study were to determine the growth response of Arabica coffee shoot cuttings on the induction of

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3

Else, Mark A., and Michael B. Jackson. "Transport of 1-aminocyclopropane-1-carboxylic acid (ACC) in the transpiration stream of tomato (Lycopersicon esculentum) in relation to foliar ethylene production and petiole epinasty." Functional Plant Biology 25, no. 4 (1998): 453. http://dx.doi.org/10.1071/pp97105.

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We investigated the concentration and delivery of 1-aminocyclopropane-1-carboxylic acid (ACC) in the transpiration stream of flooded and well-drained 1-month-old tomato plants (Lycopersicon esculentum Mill. cv. Ailsa Craig) over time in parallel with foliar ethylene production and petiole epinasty. ACC was measured by gas chromatography using a nitrogen–phosphorus detector. Before analysis, roots of freshly detopped plants were pressurised pneumatically to make xylem sap flow at rates similar to those of whole plant transpiration. Delivery of ACC from roots to shoots of well-drained plants was

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Collier, Donald E., and W. Raymond Cummins. "Effect of osmotic stress on the respiratory properties of shoots and roots of Arnica alpina." Canadian Journal of Botany 71, no. 8 (1993): 1102–8. http://dx.doi.org/10.1139/b93-129.

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Arnica alpina plants were exposed to 0.3 or 0.6 M sorbitol for 5 days to investigate the effect of long-term osmotic stress on the cytochrome and alternative respiratory pathways in both shoots and roots. Exposure to 0.3 M (−0.72 MPa) sorbitol significantly reduced growth in both shoots and roots. Increased alternative pathway activity was observed in shoots, exposed to 0.3 M sorbitol whereas increased cytochrome pathway activity, with a concomitant increase in the theoretical rate of ATP production, was found in the roots. Despite a reduction in shoot and root ethanol-soluble sugars, respirat

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5

Sykłowska-Baranek, Katarzyna, Małgorzata Gaweł, Łukasz Kuźma, et al. "Rindera graeca (A. DC.) Boiss. & Heldr. (Boraginaceae) In Vitro Cultures Targeting Lithospermic Acid B and Rosmarinic Acid Production." Molecules 28, no. 12 (2023): 4880. http://dx.doi.org/10.3390/molecules28124880.

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The in vitro cultures of Rindera graeca, a rare endemic plant, were developed as a sustainable source of phenolic acids. Various shoot and root cultures were established and scaled up in a sprinkle bioreactor. A multiplication rate of 7.2 shoots per explant was achieved. HPLC–PDA–ESI–HRMS analysis revealed the presence of rosmarinic acid (RA) and lithospermic acid B (LAB) as the main secondary metabolites in both the shoot and root cultures. The maximum RA (30.0 ± 3.2 mg/g DW) and LAB (49.3 ±15.5 mg/g DW) yields were determined in root-regenerated shoots. The strongest free radical scavenging

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6

Smith, Michael W., Charles T. Rohla, and Niels O. Maness. "Correlations of Crop Load and Return Bloom with Root and Shoot Concentrations of Potassium, Nitrogen, and Nonstructural Carbohydrates in Pecan." Journal of the American Society for Horticultural Science 132, no. 1 (2007): 44–51. http://dx.doi.org/10.21273/jashs.132.1.44.

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The current theory of pecan [Carya illinoinensis (Wangenh.) C. Koch] alternate bearing is the “growth regulator–carbohydrate theory” in which flowering is first controlled by growth regulators produced by fruit and leaves, and then by the size of the carbohydrate pool near budbreak. Lack of nitrogen (N) reserves has also been proposed to be limiting after large crops, thus reducing return bloom. Annual production was determined for 12 individual trees for 3 years. Return bloom was monitored on four previous-season shoot types: 1) vegetative shoots, 2) bearing terminal shoots without a second g

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7

Tetsumura, Takuya, and Hisajiro Yukinaga. "High-frequency Shoot Regeneration from Roots of Japanese Persimmon." HortScience 31, no. 3 (1996): 463–64. http://dx.doi.org/10.21273/hortsci.31.3.463.

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Microshoots of Japanese persimmon (Diospyros kaki L. cv. Jiro) were rooted in vitro. The roots were excised and cultured on solidified Murashige and Skoog medium. After 20 days of culture, adventitious shoots formed spontaneously and directly from the roots. Of all the tested cytokinins, 10–5 m zeatin in combination with 10–8 m IAA was the most effective in stimulating production of adventitious shoots. CPPU and 2iP also were effective cytokinins. Addition of a high concentration of auxin, especially 2,4-D, to the medium inhibited adventitious shoot formation. The percentage of root segments f

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8

Hiếu, Đoàn Ngọc, Nguyễn Bình Anh Thư, Hoàng Thị Lan Xuân, Nguyễn Phạm Kim Uyên, and Nguyễn Phương Thảo. "Expression analysis of GmNAC085 gene under dehydration and salt treatment in drought-tolerant DT51 and drought-sensitive MTD720 soybean cultivars." Vietnam Journal of Biotechnology 14, no. 1 (2016): 115–20. http://dx.doi.org/10.15625/1811-4989/14/1/9301.

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NAC transcription factors (NAC TFs) are important regulatory factors in plant response to drought and salt which are the two osmotic stresses seriously affecting plant production. In our previous studies, GmNAC085 was confirmed as a drought-responsive gene in shoots and roots of soybeans. In this study, expression of GmNAC085 under osmotic stresses was examined in drought-tolerant soybean DT51. 12-day-old plants were dehydrated or treated with salt for 0 h, 2 h and 10 h. Our results shown that under dehydration, the expression of GmNAC085 significantly increased in both shoots and roots, espec

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9

Vlahos, J. C., M. Dragassaki, and I. Assargiotaki. "Micropropagation of Achimenes Hybrids for Winter Production." HortScience 30, no. 4 (1995): 757D—757. http://dx.doi.org/10.21273/hortsci.30.4.757d.

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Achimenes is a summer-flowering pot plant commonly propagated by shoot tip cuttings taken from rhizomes released from dormancy. Micropropagation was used in this study in order to establish a protocol for producing plants in winter when Achimenes are not usually available. Leaf segments, taken in August 1993, from hybrids `Flamenco', `Rosenelfe', `Bella', and `Sandra' grown in a greenhouse, were cultured on a modified Murashige and Skoog (MS) medium supplemented with 0.1 mg·liter–1 BA and 0.5 mg·liter–1; shoots proliferated without callus formation. Leaf explants taken from the proliferated sh

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10

Shen, Xiuli, Vladimir Orbović, Manjul Dutt, William S. Castle, and Frederick G. Gmitter. "Direct Shoot Organogenesis in Murraya paniculata (L.) Jack: A Prerequisite for Genetic Transformation." HortScience 48, no. 7 (2013): 938–41. http://dx.doi.org/10.21273/hortsci.48.7.938.

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An efficient in vitro regeneration system through direct shoot organogenesis was established for Murraya paniculata (L.) Jack (Orange Jessamine). Epicotyls, leaves, roots, and cotyledons from in vitro-germinated seedlings and several plant growth regulators (PGRs) were evaluated for their effects on plant regeneration. Longitudinally cut epicotyl segments were observed to be the optimal explants followed by uncut epicotyls (not longitudinally cut). Roots, leaves, and cotyledons were not suitable as explants as a result of little or no shoot induction. Adventitious shoot induction was enhanced

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11

Chée, Raymond, and Robert M. Pool. "Sucrose and NAA Influence Growth of Subcultured Shoots and in Vitro Production of Roots in Vitis." HortScience 23, no. 4 (1988): 776. http://dx.doi.org/10.21273/hortsci.23.4.776.

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Abstract We previously reported a method for shoot tip micropropagation of the Vitis hybrid ‘Remaily Seedless’ (1, 2). In preliminary trials, rooting of subcultured shoots was erratic and shoots deteriorated after 2 weeks in culture. Herein we report the effects of sucrose and naphthaleneacetic acid (NAA) concentrations on the physical condition of subcultured shoots and subsequent root production in an attempt to increase the efficiency of grape micropropagation.

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12

Fargašová, Agáta, and Katarína Szárazová. "Phytotoxity of waste waters with Cr and." Nova Biotechnologica et Chimica 7, no. 1 (2022): 51–56. http://dx.doi.org/10.36547/nbc.1358.

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The dry and fresh biomass and metal concentration (Cr, Ni) in roots and shoots of mustard (S. alba L.) seedlings was evaluated in laboratory experiments with three types of washing waste-waters from cutlery production line. All tested washing waters reduced root dry mass, where-as the dry mass of shoots was either not affected or it increased. The effect of tested washing waters was stronger on fresh mass production than on dry mass production. This indicates problems in water reception and translocation. While the accumulation of Cr was higher in the roots, Ni was distributed equally through

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13

Soares, Fabiano Silva, Ana Lídia Soares Rangel de Souza, Suzane Ariádina de Souza, et al. "Fine-Tuning of Arabidopsis thaliana Response to Endophytic Colonization by Gluconacetobacter diazotrophicus PAL5 Revealed by Transcriptomic Analysis." Plants 13, no. 13 (2024): 1719. http://dx.doi.org/10.3390/plants13131719.

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Gluconacetobacter diazotrophicus is a diazotrophic endophytic bacterium that promotes the growth and development of several plant species. However, the molecular mechanisms activated during plant response to this bacterium remain unclear. Here, we used the RNA-seq approach to understand better the effect of G. diazotrophicus PAL5 on the transcriptome of shoot and root tissues of Arabidopsis thaliana. G. diazotrophicus colonized A. thaliana roots and promoted growth, increasing leaf area and biomass. The transcriptomic analysis revealed several differentially expressed genes (DEGs) between inoc

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14

Shofiyani, Anis Shofiyani. "PENGARUH KOSENTRASI NAA DAN TDZ (THIDIAZURON) TERHADAP ORGANOGENESIS KALUS KENCUR (Kaempferia galanga L.)." Agritech : Jurnal Fakultas Pertanian Universitas Muhammadiyah Purwokerto 24, no. 2 (2022): 153. http://dx.doi.org/10.30595/agritech.v24i2.14755.

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The production of kencur (Kaempferia galanga L.) with tissue culture is an alternative in kencur plant cultivation as a provider of seeds. In tissue culture, growth regulators can affect the formation of plant organs (organogenesis). The combination of growth regulators NAA and TDZ was used in this study to induce callus kencur organogenesis. The purpose of this research was to determine the effect of giving NAA and TDZ on the organogenesis of kencur callus, as well as the optimal combination of the two in the organogenesis of kencur callus. The design used was factorial RAL with two factors:

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15

Jan, Tour, Beena Naqvi, Ali Hazrat, et al. "Impact of Hormones on the Proliferation of Shoots and Initiation of Roots in Salvia santolinifolia (Boiss), A High Value Medicinal Herb." Biological Sciences - PJSIR 63, no. 1 (2020): 30–36. http://dx.doi.org/10.52763/pjsir.biol.sci.63.1.2020.30.36.

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Salvia santolinifolia is a medicinal plant and an efficient in vitro conservation system is established. The influence of N6Benzylaminopurine (BAP), N6-(2-isopentyl)-adenine (2iP) and Kinetin at various concentrations were evaluated, single and in mixture with NAA (Naphthalene acetic acid) for the production of auxiliary shoots from nodal explants of S. santolinifolia. BAP at 3.0 mg/L in MS1 media produced maximum (11.66±3.38) number of shoots while elongated (5.37±1.45) shoots were produced in the MS2 medium in subcultures at 2.0 mg/L of 2iP. Least number of shoots were formed when auxin and

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16

Kurniawati, Wahyu, Said Agil AR Rasyid, Panji Arya Kusuma, Fatma Nur Aisyah, and Arina Rochmah Fadhilah. "Keripik Rebung :Kreativitas Mahasiswa PGSD Sebagai Upaya Untuk Membentuk Jiwa Enterpreneur." Dedikasi Nusantara: Jurnal Pengabdian Masyarakat Pendidikan Dasar 2, no. 2 (2023): 135–43. http://dx.doi.org/10.29407/dedikasi.v2i2.19321.

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Bamboo shoots are young shoots or saplings that grow from bamboo roots. Bamboo shoots are also known as young bamboo. Bamboo shoots include vegetables that are liked by many people. Bamboo shoot production in Indonesia is also very abundant. The purpose of this activity is to increase the creativity of PGSD students as an effort to form an entrepreneurial spirit by making bamboo shoot chips. This service utilizes bamboo shoots into processed food ingredients that are rich in water, fiber, potassium, protein, fat and carbohydrates in the form of bamboo shoot chips. This activity trains students

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17

Hung, Cao Dinh, and Stephen J. Trueman. "Nutrient responses differ between node and organogenic cultures of Corymbia torelliana×C. citriodora (Myrtaceae)." Australian Journal of Botany 58, no. 5 (2010): 410. http://dx.doi.org/10.1071/bt10029.

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Hybrids between Corymbia torelliana (F.Muell.) K.D.Hill & L.A.S.Johnson and C. citriodora subsp. variegata (F.Muell.) A.R.Bean & M.W.McDonald are used extensively for plantation forestry in subtropical eastern Australia; however, plantation establishment has been hampered by inadequate seed supply and variable amenability to propagation as rooted cuttings. The present study investigated node-culture and organogenic-culture methods for in vitro propagation of two families of juvenile Corymbia hybrids. The effects of nutrient and auxin concentrations on root formation, shoot elongation a

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18

Chée, R., and R. M. Pool. "Morphogenic Responses to Propagule Trimming, Spectral Irradiance, and Photoperiod of Grapevine Shoots Recultured in Vitro." Journal of the American Society for Horticultural Science 114, no. 2 (1989): 350–54. http://dx.doi.org/10.21273/jashs.114.2.350.

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Abstract In an effort to improve grapevine micropropagation, shoot proliferation and rooting in response to explant preparation and incubation conditions were investigated. The explants were three- to four-node shoots (15 mm) of the Vitis hybrid ‘Remaily Seedless’ cultured in vitro. The factors considered were white light of diverse spectral irradiance distributions, blue light, red light, 10-hr light/14-hr dark and 16-hr light/8-hr dark photoperiods, and leaf and/or apex removal from the explant. In white light and short days, leaf and/or apex removal did not affect shoot production; however,

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19

M. T. Al-Jubori and M. A. Al-Shamari. "PROPAGATION AND ARTIFICIAL SEEDS PRODUCTION FROM SINGLE NODE EXPLANTS OF MACLURA THAT CULTURED IN VITRO." IRAQI JOURNAL OF AGRICULTURAL SCIENCES 56, Special (2025): 190–97. https://doi.org/10.36103/tye6cd53.

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In this study, an ideal protocol for the in vitro propagation of Maclura plants was established. The effect of using sodium alginate at different concentrations on the production of artificial seeds from single nodes was investigated. The results showed that the Maclura plant can be successfully propagated in vitro by culturing single nodes on Woody Plant Medium (WPM) with 0.6mg /L GA3, resulting in a percentage response of up to 100%. The highest average number and length of shoots was achieved at this concentration with 5 shoots/explant and 1.31 cm, respectively. At the multiplication stage,

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20

Sarmento, José J. A., José J. F. dos Santos, Caciana C. Costa, and Marinês P. Bomfim. "Agronomic performance of lettuce subjected to green manure with different leguminous species." Revista Brasileira de Engenharia Agrícola e Ambiental 23, no. 2 (2019): 114–18. http://dx.doi.org/10.1590/1807-1929/agriambi.v23n2p114-118.

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ABSTRACT Green manure is the practice of cultivation and incorporation of plants to the soil, mainly leguminous species, produced or not in situ, for the purpose of preserving and/or restoring soil organic matter and soil nutrients. To compare the effects of incorporating leguminous species in the pre-planting green manure on lettuce production, seven treatments were tested: mineral fertilization; crotalaria (Crotalaria juncea); cowpea (Vigna unguiculata); common bean (Phaseolus vulgaris); lablab bean (Dolichos lablab); pigeon pea (Cajanus cajan) and spontaneous plants. The treatments were arr

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21

Tessema, Bezaye, Brian Wilson, Heiko Daniel, Paul Kristiansen, and Jeff A. Baldock. "Functional Links between Biomass Production and Decomposition of Vetiver (Chrysopogon zizanioides) Grass in Three Australian Soils." Plants 11, no. 6 (2022): 778. http://dx.doi.org/10.3390/plants11060778.

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Plant roots are primary factors to contribute to surface and deep soil carbon sequestration (SCS). Perennial grasses like vetiver produce large and deep root system and are likely to contribute significantly to soil carbon. However, we have limited knowledge on how root and shoot decomposition differ and their contribution to SCS. This study examined biomass production and relative decomposition of vetiver which was grown under glasshouse conditions. Subsequently the biomass incubated for 206 days, and the gas analysed using ANCA-GSL. The results confirmed large shoot and root production poten

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22

DeMoranville, Carolyn J. "BIOMASS ACCUMULATION PATTERNS IN A COMMERCIAL `EARLY BLACK' CRANBERRY PLANTING." HortScience 28, no. 5 (1993): 458e—458. http://dx.doi.org/10.21273/hortsci.28.5.458e.

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Dry weight accumulations (area basis) in new shoots, old leaves, woody stems, roots, and fruit of `Early Black' cranberry were determined seasonally for 1987 to 1989. The planting received 335 kg/ha of 10N-8.7P-8.3K per season, New shoot tissue accumulated dry mass at a rapid rate from late May until, late July, and again 1n the late summer (stem lignification). Root biomass was variable, declining and increasing in a cyclic pattern. Apparently, cranberry roots are short-lived. At times of declining biomass, many decaying roots were found in the samples. The pattern of biomass accumulation in

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23

Jin, Xiaoling, Xijun Hu, Youping Sun, Donglin Zhang, and Ping He. "Callus Induction and Plant Regeneration from Immature Embryos of Zelkova sinica Schneid." HortScience 47, no. 6 (2012): 790–92. http://dx.doi.org/10.21273/hortsci.47.6.790.

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Zelkova sinica Schneid. is a popular landscape plant in China because of its wide adaptation, strong disease resistance, large crown, and beautiful fall color. Immature embryos from Z. sinica seeds were cultured on woody plant medium (WPM) supplemented with 4.5 μM 6-Benzylaminopurine (BA) and 5.4 μM α-naphthaleneacetic acid (NAA) to induce callus, and 60% of immature embryos formed callus. The cream-white, friable, nodular callus with proembryogenic structures was then cultured on WPM containing 5.4 μM NAA in combination with 9.0 or 11.2 μM BA to regenerate shoots; approximately five shoots pe

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24

Lu, Haoyu, Mei Wang, Wenxiu Li, et al. "Superior Antioxidant Capacity and Auxin Production Promote Seedling Formation of Rice Seeds under Submergence Stress." Agronomy 13, no. 1 (2023): 171. http://dx.doi.org/10.3390/agronomy13010171.

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Rice (Oryza sativa L.) is one of the most significant food crops worldwide. Flooding can significantly impact the survival and emergence of rice seedlings in the direct planting form of rice, leading to a loss of production. This work investigated the critical phase of rice seed germination to the seedling establishment under submergence stress. It also explored the underlying physiological and molecular processes of shoot and root submergence tolerance. Physiological and transcriptomic analysis of flood-tolerant varieties (LS273) and non-flood-tolerant varieties (ZZ39) were performed. Under s

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25

Lykholat, Y. V., N. O. Khromykh, O. O. Didur, O. O. Gaponov, M. M. Nazarenko, and T. Y. Lykholat. "Altering maize (Zea mays) seedlings’ growth and lignification processes by action of novel synthesized compounds." Regulatory Mechanisms in Biosystems 12, no. 2 (2021): 260–64. http://dx.doi.org/10.15421/022135.

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Effective management of the course of crop vegetation and adaptation to biotic and abiotic stresses is a prerequisite for stable grain production and requires replenishment of the arsenal of plant growth regulators. The effect of novel synthesized cage amides on maize seedlings morphogenesis has been tested. Seeds of a mid-early maize hybrid 'DN Galatea' after the pre-sowing treatment with 0.01% solutions of test compounds were grown in distilled water. The roots and shoots sections of 10-day-old maize seedlings were stained with phloroglucinol solution to reveal the lignin-containing anatomic

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Samet, Halil, Yakup Çikili, and Aysun Çavuşoğlu. "Combined effects of excess boron and salinity on the growth and ionic imbalance of lavandin (Lavandula × intermedia) plant." Acta Scientiarum Polonorum Hortorum Cultus 22, no. 4 (2023): 91–103. http://dx.doi.org/10.24326/asphc.2023.5007.

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Generally, moderate to high salinity conditions and excess boron (B) occur together as limiting factors for plant growth in the soils of arid and semiarid regions. To determine the combined effect of excessive boron, salinity stress, or both, five different levels of B (0, 0.3, 0.6, 1.2, and 1.8 mM) and 80 mM sodium chloride (NaCl) were applied to lavandin plants grown in a greenhouse. The results showed that under nonsaline conditions, biomass production in shoots and roots and photosynthetic pigment contents (chlorophyll (Chl) a, b, and Chl a + b) decreased with exceptionally high B applicat

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27

M.H. Kabir, Md. Monirul Islam, Pronabananda Das, and ANK Mamun. "In vitro regeneration of exotic fruit dragon (Hylocereus undatus) from stem fraction." International Journal of Biological and Pharmaceutical Sciences Archive 7, no. 1 (2024): 040–47. http://dx.doi.org/10.53771/ijbpsa.2024.7.1.0018.

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Hylocereus undatus, commonly known as dragon fruit, is one of the most popular exotic fruits due to its high quality and market value. This fruit is facing different constraints, such as loss of seed viability and various diseases that affect production because the seed and cutting methods are followed to create a new generation. In vitro plant regeneration is a promising technique to overcome these barriers with explants. An efficiency of this protocol was established in dragon fruit using MS + 2.0 mg/L BA + 2.0 mg/L Kin. with explants, stem fraction. Eighty percent explants were responded fo

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Meyer, Susan L. F., Margaret H. MacDonald, Nathan D. Reetz, et al. "Chia: Host Status for Meloidogyne incognita and Activity of Plant Extracts." Plant Disease 104, no. 11 (2020): 2979–85. http://dx.doi.org/10.1094/pdis-10-19-2171-re.

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Chia (Salvia hispanica L.) seeds are used for food, drinks, oil, and animal feed, and all plant parts are employed in traditional medicine. The growing demand for the seed has created a need for improved disease management. Plant-parasitic nematodes have been found on other Salvia spp., but none have been reported from S. hispanica. Chia has also not been tested for production of compounds active against these nematodes. Therefore, aqueous extracts from shoots and roots of six chia lines, Brad’s Organic, Cono, E2, G3, G5, and W13.1, were tested in laboratory assays. Some concentrations of all

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29

Carvalho, Ruan Ygor de, Josef Gastl Filho, Eleusa Maria Ferreira Rocha, and Rosa Betânia Rodrigues de Castro. "Use of natural rooter in the production of acerola seedlings." Concilium 23, no. 21 (2023): 150–60. http://dx.doi.org/10.53660/clm-2404-23s22.

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The present work aimed to evaluate the initial development and rooting of stem cuttings of acerola tree using a stimulating solution obtained from germinated bean seeds. The experiment was conducted in a completely randomized design (DIC), with three treatments (Control; 300 g and 500 g of beans) and three replications with 10 cuttings each. The 15 cm long cuttings were planted in 910 mL black polyethylene bags. The variables were obtained 45 days after planting, namely: length of the largest shoot, number of shoots, fresh mass of the shoots, dry mass of the shoots and rooting percentage. Data

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DALASTRA, CLEITON, MARCELO CARVALHO MINHOTO TEIXEIRA FILHO, and PABLO FORLAN VARGAS. "PERIODICITY OF EXPOSURE OF HYDROPONIC LETTUCE PLANTS TO NUTRIENT SOLUTION1." Revista Caatinga 33, no. 1 (2020): 81–89. http://dx.doi.org/10.1590/1983-21252020v33n109rc.

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ABSTRACT A balanced periodicity of the nutrient solution flow is essential for better agronomic performances and low production costs in hydroponic systems. Thus, the objective of this work was to evaluate the effect of periodicity of exposure of lettuce plants to the nutrient solution in an NFT hydroponic system on the production, nutrition, and profitability of this crop. The experiment was conducted in a randomized block design with five replications. The treatments consisted of four periodicities of exposure of lettuce plants to the nutrient solution, consisting of intervals of 60, 30, and

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Mohammed, G. H., K. R. Patel, and W. E. Vidaver. "The control of adventitious root production in tissue-cultured Douglas-fir." Canadian Journal of Forest Research 19, no. 10 (1989): 1322–29. http://dx.doi.org/10.1139/x89-203.

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Rooting percentage and root number in tissue-cultured Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco) were influenced by the rooting substrate, the concentration of sucrose and boron in the rooting medium, shoot height, and shoot generation. Peat–perlite was a better substrate than agar, producing 70% compared with 0% rooted shoots, respectively. On peat–perlite, cell divisions were organized and were associated with tracheid nests, whereas on agar proliferation was unorganized and not restricted to the nests. A sucrose concentration of 4% was optimal for the production of nodular or rooted

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Kikowska, Małgorzata, Barbara Thiem, Elwira Sliwinska, et al. "Micropropagation of Eryngium campestre L. via Shoot Culture Provides Valuable Uniform Plant Material with Enhanced Content of Phenolic Acids and Antimicrobial Activity." Acta Biologica Cracoviensia s. Botanica 58, no. 1 (2016): 43–56. http://dx.doi.org/10.1515/abcsb-2016-0009.

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AbstractAn efficient micropropagation protocol for production of genetically uniform clones ofEryngium campestreL. was developed. To determine the effect of nutritional and hormonal factors on shoot and root development and bioactive compounds production, three variants of media differing in the content of macro- and micronutrients, as well as plant growth regulators of various types and concentrations were tested. The highest regeneration (100%), with over 13 shoots per explant, was induced on Murashige and Skoog (MS) medium with 1.0 mg l−1benzyladenine (BA) and 0.1 mg l−1indole-3-acetic acid

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Arciniega-Carreón, Ilse-Yazmín, Carmen Oliver-Salvador, María-Guadalupe Ramírez-Sotelo, and Carlos Edmundo Salas. "Efficient In Vitro Plant Regeneration from Internode Explants of Ibervillea sonorae: An Antidiabetic Medicinal Plant." HortScience 52, no. 7 (2017): 1000–1005. http://dx.doi.org/10.21273/hortsci11942-17.

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Ibervillea sonorae is a medicinal plant mainly used to treat diabetes, ulcers, and other metabolic disorders. A regeneration protocol using internode segments containing axillary buds grown on Gamborg medium (B5) supplemented with 0.5 mg·L−1 α-naphthalene-acetic acid (NAA), 0.5 mg·L−1 N6-benzyladenine (BA), and 1.0 mg·L−1 indole-3-acetic acid (IAA) successfully regenerated shoots in I. sonorae explants. The induction of organogenic calli attained 100% efficiency. The highest percent shoot production was 87.5% with a mean of 9.17 shoots per explant on day 15, and the maximum length of 5.8 cm wa

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Nursyamsi, D., M. Osaki, and T. Tadano. "MECHANISM OF ALUMINUM TOXICITY AVOIDANCE IN TROPICAL RICE (Oryza sativa), MAIZE (Zea mays), AND SOYBEAN (Glycine max)." Indonesian Journal of Agricultural Science 3, no. 1 (2016): 12. http://dx.doi.org/10.21082/ijas.v3n1.2002.12-24.

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Planting Al tolerant crops is an economically justifiable approach in crop production on acid soils. Experiments were conducted to study the mechanisms of Al tolerance among species and varieties of tropical rice, maize, and soybean with previously known levels of Al tolerance. These varieties were hydroponically cultured in 0, 5, 10, and 30 mg l-1 Al with complete nutrient solution at pH 4. The results show that root/shoot ratio of dry weight at 10 mg l-1 Al treatment was an important parameter to indicate differential Al tolerance in maize. Oxalic acid exudation from roots cannot always expl

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Nursyamsi, D., M. Osaki, and T. Tadano. "MECHANISM OF ALUMINUM TOXICITY AVOIDANCE IN TROPICAL RICE (Oryza sativa), MAIZE (Zea mays), AND SOYBEAN (Glycine max)." Indonesian Journal of Agricultural Science 3, no. 1 (2016): 12. http://dx.doi.org/10.21082/ijas.v3n1.2002.p12-24.

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Planting Al tolerant crops is an economically justifiable approach in crop production on acid soils. Experiments were conducted to study the mechanisms of Al tolerance among species and varieties of tropical rice, maize, and soybean with previously known levels of Al tolerance. These varieties were hydroponically cultured in 0, 5, 10, and 30 mg l-1 Al with complete nutrient solution at pH 4. The results show that root/shoot ratio of dry weight at 10 mg l-1 Al treatment was an important parameter to indicate differential Al tolerance in maize. Oxalic acid exudation from roots cannot always expl

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AW, Alsalihy, B. Křižan, M. Klemš, H. Fišerová, and J. Hradilík. "The effect of growth regulators on the rooting of shoots of the peach rootstock Ishtara in in vitro conditions." Horticultural Science 31, No. 4 (2011): 124–31. http://dx.doi.org/10.17221/3805-hortsci.

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The effect of indolyl-3-butyric acid (IBA) and paclobutrazol (PP 333) on the rooting of shoots of the Ishtara peach rootstock was examined in in vitro conditions in light. In the first stage of the experiments the effect of the IBA concentration (0, 0.75, 1.5 mg/l) was studied and in the second stage the effect of the interaction of IBA (0.75 mg/l) and PP 333 (0.06 and <br />0.12 mg/l) in the MS medium, which is optimal for the rooting of the peach rootstock Ishtara. During shoot cultivation we evaluated root formation (average length and number). During rhizogenesis the production of et

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Temitope, Ango Mariam, Samuel Fafiolu, Opadokun Wasiu Olanrewaju, and Olorunmaiye Kehinde Stephen. "Growth and yield of sweet potato (Ipomoea batatas (L.) Lam.) as influenced by number of cutting buds." Agronomski glasnik 83, no. 4 (2022): 185–90. http://dx.doi.org/10.33128/ag.83.4.2.

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Sweet potatoes are propagated by rooting shoots with thickened roots, but the number of vine cutting buds can significantly affect the yield. Information on the preparation of quality material for the successful production of sweet potatoes among farmers in Nigeria is not uniform. The most favorable number of shoot buds used as a material for propagating sweet potatoes has not yet been determined. Therefore, the aim of this paper is to estimate the number of buds per shoot that will result in the highest yield of sweet potato roots. Four treatments with 2, 3, 4 and 5 buds per shoot were tested

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Lothier, Jérémy, Houssein Diab, Caroline Cukier, Anis M. Limami, and Guillaume Tcherkez. "Metabolic Responses to Waterlogging Differ between Roots and Shoots and Reflect Phloem Transport Alteration in Medicago truncatula." Plants 9, no. 10 (2020): 1373. http://dx.doi.org/10.3390/plants9101373.

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Root oxygen deficiency that is induced by flooding (waterlogging) is a common situation in many agricultural areas, causing considerable loss in yield and productivity. Physiological and metabolic acclimation to hypoxia has mostly been studied on roots or whole seedlings under full submergence. The metabolic difference between shoots and roots during waterlogging, and how roots and shoots communicate in such a situation is much less known. In particular, the metabolic acclimation in shoots and how this, in turn, impacts on roots metabolism is not well documented. Here, we monitored changes in

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Paynter, BH. "Comparative phosphate requirements of yellow serradella (Ornithopus compressus) burr medic (Medicago polymorpha var. brevispina) and subterranean clover (Trifolium subterraneum)." Australian Journal of Experimental Agriculture 30, no. 4 (1990): 507. http://dx.doi.org/10.1071/ea9900507.

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The phosphate (P) requirements of burr medic (Medicago polymorpha) on marginally acidic, medium-textured soils and yellow serradella (Ornithopus compressus) on acidic, light-textured soils in the low rainfall (<400 mm) wheatbelt of Western Australia are not known. The hypothesis that yellow serradella, subterranean clover (Trifolium suhrerraneum) and burr medic have the same external requirement for applied P was tested in a glasshouse trial on 2 P-deficient soils. Species were compared on an equal total seed weight and similar maturity length basis. It was found that yellow serradella requ

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Sumaryono, Sumaryono, and Imron Riyadi. "EX VITRO ROOTING OF OIL PALM (Elaeis guineensis Jacq.) PLANTLETS DERIVED FROM TISSUE CULTURE." Indonesian Journal of Agricultural Science 12, no. 2 (2011): 57. http://dx.doi.org/10.21082/ijas.v12n2.2011.57-62.

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Plantlets of oil palm (Elaeis guineensis Jacq.) derived from so-matic embryos sometimes do not form well developed-roots. Root formation of unrooted-plantlets can be induced with aux-in during ex vitro acclimatization period to simplify the proce-dure and to reduce seedling production cost. Experiments were conducted using a completely randomized design to determine the effect of different types of auxin, i.e. indole-3-acetic acid (IAA), indole-3-butyric acid (IBA), and 1-naphthalene-acetic acid (NAA) at different concentrations, i.e. 0, 2, 4, 8, and 16 mM on root development of oil palm plant

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Sumaryono, Sumaryono, and Imron Riyadi. "EX VITRO ROOTING OF OIL PALM (Elaeis guineensis Jacq.) PLANTLETS DERIVED FROM TISSUE CULTURE." Indonesian Journal of Agricultural Science 12, no. 2 (2011): 57. http://dx.doi.org/10.21082/ijas.v12n2.2011.p57-62.

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Plantlets of oil palm (Elaeis guineensis Jacq.) derived from so-matic embryos sometimes do not form well developed-roots. Root formation of unrooted-plantlets can be induced with aux-in during ex vitro acclimatization period to simplify the proce-dure and to reduce seedling production cost. Experiments were conducted using a completely randomized design to determine the effect of different types of auxin, i.e. indole-3-acetic acid (IAA), indole-3-butyric acid (IBA), and 1-naphthalene-acetic acid (NAA) at different concentrations, i.e. 0, 2, 4, 8, and 16 mM on root development of oil palm plant

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Apastambh, Aniruddha Ratnakar, and Mirza Mushtaq Vaseem Baig. "Enhanced Plant Growth and Biomass Accumulation via Bacillus spp. Consortia: A Functional Study for Wheat Growth." Biosciences Biotechnology Research Asia 22, no. 2 (2025): 747–52. https://doi.org/10.13005/bbra/3399.

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ABSTRACT: Thirty-four distinct bacillus strains were isolated and identified from various districts of the Marathwada region. These strains of Bacillus sp. were morphologically and biochemically characterised, such as shape, Gram's nature, and endospores forming ability, arginine hydrolysis, catalase test, hydrolysis of lipid, hydrolysis of casein, liquefaction of gelatin, starch hydrolysis, and urease test. The different plant growth-promoting properties of isolated Bacillus species investigated included IAA and GA₃ production, phosphate solubilisation, siderophore production, and HCN product

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Coetser, Elmien, Elsa S. du Toit, and Gerhard Prinsloo. "An Investigation into Using Temporary Immersion Bioreactors to Micropropagate Moringa oleifera Lam. Callus, Roots, and Shoots." Agronomy 12, no. 11 (2022): 2672. http://dx.doi.org/10.3390/agronomy12112672.

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Moringa oleifera Lam., a tree naturally grown in the tropics, is becoming increasingly popular as an industrial crop due to its multitude of useful attributes. Therefore, this study tested the effect of temporary immersion system (TIS) bioreactors for mass micropropagation of Moringa oleifera Lam. callus, roots, and shoots. TIS are tissue culture systems that make use of timers to periodically immerse and drain plant cultures in a liquid nutrient medium instead of using solidified media. In initial studies, Moringa oleifera seeds were germinated in vitro, and in vitro seedling leaflets were th

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Zheljazkov, Valtcho D., Charles L. Cantrell, M. Wayne Ebelhar, Christine Coker, and William B. Evans. "Quality Assessment and Yield of Baikal Skullcap (Scutellaria baicalensis) Grown at Multiple Locations." HortScience 42, no. 5 (2007): 1183–87. http://dx.doi.org/10.21273/hortsci.42.5.1183.

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Baikal skullcap (Scutellaria baicalensis) is an important medicinal plant with proven bioactivity. Commercially available products in the United States containing extracts or derivatives from this plant species have been shown to lack consistency of chemical composition and bioactivity. In the United States, these issues could be solved through domestic production of skullcap. The hypothesis of this study was that Baikal skullcap grown in the Mississippi climate would accumulate sufficient bioactive flavonoids, baicalin, and baicalein in the roots to justify domestic production, and that shoot

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Wongsa, Thanakorn, Anupan Kongbangkerd, and Boworn Kunakhonnuruk. "Optimal Growth and Biomass of Centella asiatica Using a Twin-Bottle Temporary Immersion Bioreactor." Horticulturae 9, no. 6 (2023): 638. http://dx.doi.org/10.3390/horticulturae9060638.

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Centella asiatica or gotu kola has long been used as a traditional medicinal plant. Here, immersion times and culture systems on growth and biomass production of C. asiatica were investigated using a twin-bottle, temporary immersion system. Results indicated that all immersion times gave 100% survival, with a 5 min immersion 12 times/day, providing the highest number of new shoots (3.6 shoots/explant), leaves (10.2 leaves/explant), roots (8.3 roots/explant), and fresh and dry weights of clumps (5.06 g fresh weight and 0.48 g dry weight/clump). The temporary immersion system resulted in more th

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Espinosa, Ana Carolina, Paula M. Pijut, and Charles H. Michler. "Adventitious Shoot Regeneration and Rooting of Prunus serotina In Vitro Cultures." HortScience 41, no. 1 (2006): 193–201. http://dx.doi.org/10.21273/hortsci.41.1.193.

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A complete regeneration protocol was developed for Prunus serotina Ehrh., an important hardwood species for timber and sawlog production in the central and eastern United States. Nodal sections were cultured on Murashige and Skoog (MS) medium supplemented with 4.44 μm 6-benzylaminopurine (BA), 0.49 μm indole-3-butyric acid (IBA), and 0.29 μm gibberellic acid (GA3). In vitro leaf explants of three genotypes were placed on woody plant medium (WPM) supplemented with 0, 2.27, 4.54, or 6.81 μm thidiazuron (TDZ) in combination with 0, 0.54, 1.07, or 5.37 μm naphthaleneacetic acid (NAA), and on WPM s

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Nisa, Nindi Afifa, Tintrim Rahayu, and Gatra Ervi Jayanti. "Peranan BAP dan Air Kelapa pada Medium VW terhadap Organogenesis Dendrobium sp." Metamorfosa: Journal of Biological Sciences 8, no. 2 (2021): 298. http://dx.doi.org/10.24843/metamorfosa.2021.v08.i02.p14.

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Dendrobium orchids are a favorite genus for orchid lovers than other orchids, because of their ability to easily adapt to various environments. The production of orchids in Indonesia is very low, while the demand is increasing from year to year, so it needs to be accelerated with tissue culture in vitro. This in vitro using VW media as a determing factor in plant propagation, VW media is a medium that is often used for plant propagation. The purpose of this research was to determine the function of BAP and coconut water on organogenesis of orchid explants of Dendrobium sp. This research is don

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Cheng, Liang, Ning Zhang, and Bingru Huang. "Effects of 1-aminocyclopropane-1-carboxylate-deaminase–Producing Bacteria on Perennial Ryegrass Growth and Physiological Responses to Salinity Stress." Journal of the American Society for Horticultural Science 141, no. 3 (2016): 233–41. http://dx.doi.org/10.21273/jashs.141.3.233.

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The accumulation of 1-aminocyclopropane-1-carboxylate (ACC), which is a precursor for ethylene production, in plant roots exposed to salinity stress can be detrimental to plant growth. The objectives of this study were to determine whether inoculating roots with bacteria containing deaminase enzymes that break down ACC (ACC-deaminase) could improve plant tolerance to salinity in perennial ryegrass (Lolium perenne) and to examine growth and physiological factors, as well as nutrition status of plants affected by the ACC-deaminase bacteria inoculation under salinity stress. Plants of perennial r

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Bridgen, Mark P., and Madeleine Spencer-Barreto. "A LABORATORY EXERCISE TO DEMONSTRATE DIRECT AND INDIRECT SHOOT ORGANOGENESIS FROM LEAVES OF TORENIA FOURNIERI." HortScience 28, no. 5 (1993): 467f—468. http://dx.doi.org/10.21273/hortsci.28.5.467f.

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Plant cell cultures have the ability to regenerate roots, shoots, leaves, and flowers de novo. The production of adventitious shoots in vitro is easy to control on Torenia fournieri (Wishbone Flower). Direct shoot organogenesis is possible to obtain from leaf explants without an intervening callus phase. Leaf explants should be placed on a Murashige and Skoog (MS) basal medium with 6-benzylaminopurine (BAP) levels from 2.5-5 mg/1 and indole-3-butyric acid (IBA) at 0.1 mg/liter for direct shoot organogenesis. If leaf explants are placed on a MS medium with 1 mg 2,4-dichlorophenoxyacetic acid (2

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Krauss, Ulrike. "Detached Leaf Technique for the Establishment of Root Cultures of Peanut (Arachis hypogaea L.)." Peanut Science 22, no. 2 (1995): 81–84. http://dx.doi.org/10.3146/i0095-3679-22-2-1.

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Abstract Axenic cultures of peanut (Arachis hypogaea L.) roots can be initiated from in vitro cultured embryos and shoot meristems. Embryo axes produced more shoots than tissue taken from axillary meristems. For tissue derived from shoot cultures, Virginia cultivars had a higher percentage of rooting explants than a Spanish cultivar. Inoculation with Agrobacterium rhizogenes increased root yields. However, root propagation in liquid medium was unsuccessful. On the other hand, the use of detached leaves, incubated on a sand/mineral liquid medium, led to vigorous root production after inoculatio

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