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Journal articles on the topic 'Tubers size'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

HIDE, G. A., S. J. WELHAM, P. J. READ, and A. E. AINSLEY. "Effects of planting mixtures of different sizes of potato seed tubers on the yield and size of tubers." Journal of Agricultural Science 128, no. 2 (1997): 173–80. http://dx.doi.org/10.1017/s0021859696004017.

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In 1989 and 1990, small, medium and large seed tubers, cv. Désirée, were planted 38 cm apart in experiments designed to measure the effects of different combinations of neighbouring plants on the yield and size of tubers from individual plants. Total yield, ware yield (> 150 g), numbers of tubers and numbers of stems increased as seed tuber size increased. Also, decreasing the size of seed tubers decreased the numbers of tubers in all sizes except those > 200 g. Competition from the two neighbouring plants on either side in the same row (first neighbours) increased as the size of seed tu

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2

Poštić, Dobrivoj, Ratibor Štrbanović, Zoran Broćić, et al. "Influence of origin and size of potato planting material on morphological characteristics of seed tubers." Journal on Processing and Energy in Agriculture 25, no. 1 (2021): 20–23. http://dx.doi.org/10.5937/jpea25-30772.

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The aim of this study was to determine the influence of the origin and size of planting material on the morphological characteristics of seed tuber's three potato cultivars. The objects of research were three varieties of potatoes: Aladdin, Newton and Desiree. The analysis of the morphological characteristics tuber showed highly significant (r<0.01) differences under influenced origin planting material (factor O) and size of seed tuber (factor S). Significance influence (r<0.01) genotype (factor G) was detected on the number of sprouts per tuber and sprouts length. Seed tubers originatin

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Bist, Lokendra, Raksha Sharma, and Bibek Thakurathi. "Effect of Seed Tuber Size on Growth and Yield of Potato (Solanum Tuberosum L.) Variety Desiree in Dadeldhura." Contemporary Research: An Interdisciplinary Academic Journal 6, no. 2 (2023): 110–23. http://dx.doi.org/10.3126/craiaj.v6i2.60251.

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A field study was carried out on potato (Solanum tuberosum L.) variety Desiree to determine the effect of seed tuber size on growth and yield performance in Dadeldhura district in 2023. The experiment was carried out in randomized complete block design (RCBD) using four replications and five treatments. Treatments used were different weighed seed tubers viz.T1:(11-20g),T2:(21-30g), T3:(31-40g), T4:(41-50g), and T5:(51-60g) . The results showed significant effect of the size of seed tubers on the growth and yield of potato. The treatment 51-60g seed tuber proved to be superior in terms of plant

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Wurr, D. C. E., J. R. Fellows, R. A. Sutherland, and E. J. Allen. "Determination of optimum tuber planting density for production of tubers in processing ware grades in the potato variety Record." Journal of Agricultural Science 114, no. 1 (1990): 11–18. http://dx.doi.org/10.1017/s0021859600070945.

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SUMMARYA series of experiments examining the influences of size and spacing of planted potato tubers (‘seed’ tubers) on tuber yields was conducted at four sites in the UK in 1982–84. A new approach to data analysis was used to estimate the optimum tuber planting density for different ware grades. The optimum density, which maximized returns, decreased with increasing seed tuber weight and ratio of seed-tuber cost to ware value and with lower than average total tuber yields. Changing the required ware grade from 40–65 mm to 40–80 mm had a minimal effect on the optimum tuber planting density.Opt

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Sadawarti, Murlidhar J., S. P. Singh, R. K. Singh, Subhash Katare, and R. K. Samadhiya. "Agro-techniques for Production of Seed Size Tubers in Conventional Seed Potato Production System–A Review." International Journal of Bio-resource and Stress Management 12, no. 3 (2021): 238–46. http://dx.doi.org/10.23910/1.2021.2272.

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The seed potato cost is very important component in total potato production and account for 30 to 70% which varies depending on the country or region. Tuber size is an important factor to decide the seed requirement per unit area. Seed size affects total yield, graded or marketable tuber yields. Standard seed tuber of 25–125 g weight (30–55 mm) is known as seed size tubers in India. Obtaining seed size tuber is important for achieving higher potential of the cultivars. The tuber size profile can be reduced or expanded by altering inter and intra row seed spacing, controlling days of growth by

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Love, Stephen L., and Asunta Thompson-Johns. "Seed-piece Spacing Influences Yield, Size Distribution, Net Returns, and Stem and Tuber Density of Three Processing Potato Cultivars." HortScience 33, no. 3 (1998): 536a—536. http://dx.doi.org/10.21273/hortsci.33.3.536a.

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Seed-piece spacing is an important economic consideration in the production of potatoes and optimum varies by cultivar and intended market. A study was designed to determine the influence of seed-piece spacing on yield, tuber size distribution, net returns and stem and tuber density of three processing potato cultivars. Seed tubers of cvs. Russet Burbank, Frontier Russet and Ranger Russet were planted 8, 15, 23, 31, 46, 61, 76, or 91 cm apart at two locations in 1988 and 1989. Total, marketable (U.S. No. 1), and mid-size (226–452 g tubers) yield, yield of five incremental size categories, net

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Hassell, Richard L., Tyron L. Phillips, and Teri Hale. "EFFECTS OF COLORED MULCHES ON “B” SIZE POTATOES." HortScience 40, no. 3 (2005): 887b—887. http://dx.doi.org/10.21273/hortsci.40.3.887b.

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The small, “B” size potatoes (<2 inches but ≥1.25 inches in diameter) represent a keen interest in new, specialty food items. Exotic shapes and color shades of the specialty varieties are also known for intense flavors and variations in textures in firmness and fiber that consumers are looking for today in an ever increasing health consciousness among consumers. In 2004, the varieties `French Fingerling' (West Edmonton, Alberta, Canada), W2275-3R (Univ. of Wisconsin) and B1145-2 (USDA, Beltsville, Maryland) were planted in a double row 8 inches between tubers and 18 inches between rows in a

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Hassell, Richard L., Tyron L. Phillips, and Teri Hale. "EFFECTS OF COLORED MULCHES ON “B” SIZE POTATOES." HortScience 41, no. 3 (2006): 506D—506. http://dx.doi.org/10.21273/hortsci.41.3.506d.

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The small, B size potatoes (<2 inches but ≥1.25 inches in diameter) represent a keen interest in new, specialty food items. Exotic shapes and color shades of the specialty varieties are also known for intense flavors and variations in textures in firmness and fiber that consumers are looking for today in an ever increasing health consciousness among consumers. In 2006, the varieties `French Fingerling' (West Edmonton, Alberta, Canada), Villetta Rose (Univ. of Wisconsin) and B1145-2 (USDA, Beltsville, Md.) were planted in a double row 8 inches between tubers and 18 inches between rows in a r

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Bangarwa, Sanjeev K., Jason K. Norsworthy, and Edward E. Gbur. "Effects of Shoot Clipping–Soil Disturbance Frequency and Tuber Size on Aboveground and Belowground Growth of Purple and Yellow Nutsedge (Cyperus rotundusandCyperus esculentus)." Weed Technology 26, no. 4 (2012): 813–17. http://dx.doi.org/10.1614/wt-d-12.00041.1.

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Purple and yellow nutsedges are two of the world's worst weeds, reproducing asexually by rhizomes that can develop into new shoots or tubers. These tubers are the storage organs for carbohydrate reserves that are replenished by growing shoots and exhausted by new shoot, root plus rhizome, and basal bulb production. Based on the biology of both species, we hypothesized that the regenerative potential of purple and yellow nutsedge would decrease, with increasing shoot clipping–soil disturbance (SCSD) frequency and decreasing tuber size. To test this hypothesis, greenhouse experiments were conduc

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Nomo, Samuel D., Aeden Shlebe, Shimon Rachmilevitch, and Akiva Shalit-Kaneh. "The Application of Paclobutrazol to GA3-Treated Seed Tuber Potato Fields Does Not Shorten the Growth Cycle or Mitigate Tuber Elongation." Plants 13, no. 16 (2024): 2327. http://dx.doi.org/10.3390/plants13162327.

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Potato seed tubers are a valuable product in potato agriculture. Over the years, studies have been conducted to increase the fraction of mid-size tubers, which are used as a planting material, within the general pool of tuber sizes. Gibberellic acid has been a central component of such studies and has successfully increased the seed-size pool. However, in many cases, misshapen tubers were formed, and the practice has not become widespread. The use of the gibberellic acid inhibitor paclobutrazol has been examined for its ability to increase seed tuber number and tuber growth and to overcome the

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Khikmah, Rizkiyatul Awwalu Bil, Makhziah Makhziah, and Hadi Suhardjono. "The Effect of Tuber Size and the Addition of Organic Materials on the Growth and Yield of Garlic Plants (Allium sativum L.) Var. Lumbu Kuning." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 14, no. 2 (2025): 527. https://doi.org/10.23960/jtep-l.v14i2.527-536.

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Efforts to increase garlic productivity can be achieved through cultivation innovations, such as selecting the appropriate tuber size and incorporating organic matter. This study aimed to determine the optimal combination of tuber size and organic matter to increase garlic yield. The research was arranged using a Split Plot Design (SPD) within a Randomized Block Design, with three replications. The main plots involved organic matter treatments: (1) no organic matter, (2) biochar (1 kg/m²), (3) biochar + manure (0.5 kg/m²:0.5 kg/m²), and (4) manure (1 kg/m²). The subplots consisted of tuber siz

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Whitfield, A. E., L. R. Campbell, J. L. Sherwood, and D. E. Ullman. "Tissue Blot Immunoassay for Detection of Tomato spotted wilt virus in Ranunculus asiaticus and Other Ornamentals." Plant Disease 87, no. 6 (2003): 618–22. http://dx.doi.org/10.1094/pdis.2003.87.6.618.

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A tissue blot immunoassay (TBIA) was developed to detect Tomato spotted wilt virus (TSWV) in Ranunculus asiaticus tubers and other ornamentals. TBIA was comparable to double-antibody sandwich enzyme-linked immunosorbent assay for accuracy and reliability. A nondestructive sampling method was used with R. asiaticus tubers to determine: (i) the relationship between tuber infection and size; (ii) the distribution of TSWV in tubers; and (iii) the relationship between tuber infection and tuber germination. Small tubers had a higher percentage (44%) of infection than large tubers (19%). When destruc

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13

Hide, G. A., S. J. Welham, P. J. Read, and A. E. Ainsley. "Influence of planting seed tubers with gangrene(Phoma foveata) and of neighbouring healthy, diseased and missing plants on the yield and size of potatoes." Journal of Agricultural Science 125, no. 1 (1995): 51–60. http://dx.doi.org/10.1017/s0021859600074499.

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SUMMARYPotato seed tubers infected or not infected with gangrene (Phoma foveata) were planted at Rothatnsted in 1987 to measure the effect of the disease and of neighbouring plants on yield. The experimental design was constructed so that the effect on growth of six adjacent plants (two nearest neighbours in each direction within rows and one nearest neighbour in each direction across rows) could be estimated for each plant. Total yield, ware (> 150 g) yield and tuber number from individual plants were affected most by the disease but also, in decreasing importance, by the two plants on eit

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14

Aziz, Sandra A., and Rendi Susanto. "Are Tacca leontopetaloides (Linn.) O. Kuntze Mini-tuber Growth Affected by Media Composition and Tuber Size?" Journal of Tropical Crop Science 2, no. 1 (2015): 1–9. http://dx.doi.org/10.29244/jtcs.2.1.1-9.

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Tacca (Tacca leontopetaloides (Linn.) O. Kuntze) is a tropical plant that is widely used for its starch in some countries as well as a medicinal plant. Tacca has advantages as it can grow on sand in tropical seashore areas and rain forests. Farmers in Madura Island Indonesia cultivated tacca by using mother tubers as propagules and harvest the daughter tubers, but no studies have been conducted on the growth of mini tubers and their cultivation. The purpose of this study was to find the best combination of planting media and the size of mini tuber for growing tacca. The experiment was set in a

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15

Hussain, Ibrar, and Noor Ul Amin. "Caladium cv. Florida sweetheart production at different planting depths and sowing dates." Ornamental Horticulture 24, no. 4 (2018): 311–16. http://dx.doi.org/10.14295/oh.v24i4.1194.

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Ornamental bulbous crops emergence and yield can be improved by its emergence from soil. The response of Caladium to different planting depths and dates was investigated at Ornamental Horticulture Nursery, Department of Horticulture, The University of Agriculture, Peshawar during the year 2008. Randomized Complete Block Design in a split plot arrangement was used repeated three times. Sowing dates (30th March, 15th April and 30th April) were allotted to main plots whereas planting depths (2.5 cm, 5 cm, 7.5 cm and 10 cm) were kept in sub plots. Findings revealed that Caladium tubers sown on 30t

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16

Burstall, Lindsay, M. N. Thomas, and E. J. Allen. "The relationship between total yield, number of tubers and yield of large tubers in potato crops." Journal of Agricultural Science 108, no. 2 (1987): 403–6. http://dx.doi.org/10.1017/s0021859600079430.

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SummaryExperiments were made over 2 years at two sites using three varieties to investigate the relationship between total yield, number of tubers > 1 cm and the yield of tubers in the 60–80 mmsize range. Regressionanalysisrevealed that yield of tubers in the 60–80 mm size range was a linear function of total yield and number of tubers > 1 cm. The effect of changes in tuber shape on this relationship is discussed.

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17

Haynes, K. G., F. L. Haynes, and W. H. Swallow. "Temperature and Photoperiod Effects on Tuber Production and Specific Gravity in Diploid Potatoes." HortScience 23, no. 3 (1988): 562–65. http://dx.doi.org/10.21273/hortsci.23.3.562.

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Abstract Tuberization response, average number of tubers produced per tuberized plant, total tuber yield, average tuber weight, and average tuber specific gravity were measured for six diploid potato clones grown under long and short day conditions at 22°/18°C and 18°/14° in the phytotron. Average number of tubers and total tuber yield were significantly greater under short days than under long days. Significant temperature × photoperiod interactions were found for these two variables. Lack of significant photoperiod, temperature, and photoperiod × temperature effects on average tuber weight s

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Srivastava, A. K., S. K. Yadav, L. C. Diengdoh, R. Rai, and T. K. Bag. "Effect of cultivars and seed size on field performance of potato micro-tubers in North Eastern Himalayan region in India." Journal of Applied and Natural Science 7, no. 1 (2015): 335–38. http://dx.doi.org/10.31018/jans.v7i1.611.

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The present study was carried out at Central Potato Research Station, Shillong during 2013 and 2014 to assess the growth and yield performance of three grades of in-vitro produced micro-tubers viz. >8 mm, 4-8 mm and <4 mm of two potato (Solanum tuberosum) cultivars namely Kufri Girdhari and Kufri Megha under field planting conditions. The experiment was laid out in a randomised block design with four replications using a common spacing of 50 × 20 cm. The larger grade micro-tubers generally exhibited better physiological growth as well as yield parameters. The larger sized micro-tuber (&g

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Ozgen, Senay, Mustafa Ozgen, and Jiwan P. Palta. "556 Influence of Supplemental Calcium Fertilization on Potato Tuber Size and Tuber Number." HortScience 34, no. 3 (1999): 542B—542. http://dx.doi.org/10.21273/hortsci.34.3.542b.

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Several recent studies, including from our laboratory, have provided evidence that by improving tuber calcium level, we can improve tuber quality such as low internal defects and better storability. The purpose of this study was to be determine the influence of supplemental calcium fertilization on tuber size and tuber number. For this purpose, plantlets of Solanum tuberosum cv. Russet Burbank raised in tissue culture were planted in 20-L pots filled with sandy loam soil with pH of 6.9 and soil calcium level of 350 ppm. All treatments received same total amount of nitrogen (at the rate of 280

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Astarini, I. A., D. Margareth, N. P. K. Febryanti, M. R. Defiani, and I. G. R. M. Temaja. "Production of quality early-generation seed potatoes in Bali, Indonesia." IOP Conference Series: Earth and Environmental Science 1133, no. 1 (2023): 012013. http://dx.doi.org/10.1088/1755-1315/1133/1/012013.

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Abstract Potato is an essential crop in Bali. The potato productivity in Bali is still low compared to other provinces in Indonesia. The main problem is difficulties in obtaining quality seeds at affordable prices. This study aimed to ensure the survival of tissue culture seedlings during acclimatization and produce good quality early-generation seed potatoes. The research was conducted at Batusesa Village, Tabanan, Bali, from March - July 2021. There were two experiments, the first was the production of G0 seed potato, and the second was the production of G1 seed. Production of G0 was done us

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Zarzyńska, Krystyna, and Dominika Boguszewska-Mańkowska. "Commercial Quality of Potato Tubers of Different Varieties from Organic and Conventional Production System." Agronomy 14, no. 4 (2024): 778. http://dx.doi.org/10.3390/agronomy14040778.

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Research conducted at the Plant Breeding and Acclimatization Institute—NIR in Poland in 2020–2022 assessed the commercial quality of potato tubers depending on the production system (organic, conventional), variety, and weather conditions prevailing in the years of research. The tuber size distribution and the share of tuber defects was assessed. It was found that all tested factors influenced the commercial quality of the yield but to different extents. The production system had the greatest influence on most of the examined features, followed by weather conditions and the least influential f

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Issa, Falah Hassan. "Evaluation of Minitubers Yield and Scaling which Produced from Microtubers Transplanting Using Soilless Culture Technique." Journal of Biotechnology Research Center 11, no. 2 (2017): 42–46. http://dx.doi.org/10.24126/jobrc.2017.11.2.521.

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The results of the experiment showed that the variety Santa was significant superior than Draga in leaf area, mean number of tubers.Plant-1, total yield. Plant-1 and the percentage of number of tubers with the size 1.5- 2 cm, which reached 9.3, 26.56, 6.34 % and 47% respectively there were no differences between them in the tuber sizes of 2-3 cm. The Draga variety significantly differ than Santa on the tubers size 0.7-1.5 and 3-5 cm and the ratio was 2.5% and 79.8%, respectively. The growing media M1 significantly superior than M2 and M3 in leaves area, numbers of minitubers and total yield.Pl

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Murti, Afifati Cahya, WDP Al Machfudz, Andriani Eko Prihatiningrum, and Saiful Arifin. "Effect of Planting Distance and Bulb Size on Growth and Production of Shallots (Allium ascalonicum L.)." IOP Conference Series: Earth and Environmental Science 1104, no. 1 (2022): 012002. http://dx.doi.org/10.1088/1755-1315/1104/1/012002.

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Abstract The purpose of this study was to determine the effect of spacing and tuber size on the growth and production of shallot (Allium ascalonium L). The research was carried out from April to June 2021 in. This research method uses a factorial Randomized Block Design (RAK) consisting of 2 factors. The first factor is the spacing, which consists of 3 levels, namely 10 x 10, 10 x 15, and 10 x 20 cm, while the second factor is the size of the tubers which consists of 3 levels, namely small tubers, medium tubers, and large tubers. Observation variables consisted of plant length, number of leave

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Chen, Junne-Jih, Ming-Chung Liu, and Yang-Hsiu Ho. "Size of In Vitro Plantlets Affects Subsequent Tuber Production of Acclimated Calla Lily." HortScience 35, no. 2 (2000): 290–92. http://dx.doi.org/10.21273/hortsci.35.2.290.

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Tuber production of calla lily (Zantedeschia elliottiana Spreng cv. Super Gold) was investigated using three size ranges (7-10, 4-7, and <4 mm shoot diameter) of in vitro plantlets acclimated in either pots or soil beds in a protected house. The shoots and tubers of large plantlets exhibited higher rates of dry-matter accumulation than did those of small plantlets. The diameter of tubers harvested from pots ranged from 0.67 to 4.1 cm with median values of 2.7, 2.1, and 1.9 cm for the plants derived from large, medium, and small plantlets, respectively. Plants grown in soil beds, regardless

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25

Kołodziejczyk, Marek. "Phenotypic variation of yielding of medium-early cultivars of edible potato." Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin, no. 294 (April 26, 2021): 27–33. http://dx.doi.org/10.37317/biul-2021-0003.

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The aim of the study was to analyse the genotypic and environmental variation in yield, as well as the structure of the yield of tubers of medium-early cultivars of edible potato. The field study was carried out in the years 2015-2019 at the experimental station in Prusy near Krakow (50o07ʼN, 20o05ʼE) on chernozem. The following five potato cultivars were evaluated: Finezja, Oberon, Laskara, Satina and Tajfun. The total and commercial yield of tubers, the average tuber mass, the quantity of tubers from a plant, as well as the share of the fraction of large, commercial and small tubers were det

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Dor, Evgenia, and Joseph Hershenhorn. "Effect of Low Temperature on Purple Nutsedge (Cyperus rotundus) Reproductive Biology." Weed Science 61, no. 2 (2013): 239–43. http://dx.doi.org/10.1614/ws-d-12-00061.1.

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Purple nutsedge is considered to be the worst weed in the tropical and subtropical regions of the world. Although the plant is a low grower it has very strong competitive abilities. The influence of initial tuber size and cold treatment on tuber sprouting, accumulation of plant biomass and new tubers formation was studied. Tubers sprouted continuously over 30 to 50 d with significantly lower sprouting ability of small tubers (0.1 to 0.2 g). Short cold treatment (4 C for 4 d) significantly stimulated sprouting process. The early sprouting of cold treated tubers led to increased number of shoots

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Saifullah, Mangal, Abid Hakimullah, Bihroz Moula Khan, and Atif Mudir. "Studying the Effects of Tuber Size and Spacing between Plants on Growth and Yield of Potato (Solanum tuberosum L.)." Journal for Research in Applied Sciences and Biotechnology 3, no. 1 (2024): 129–32. http://dx.doi.org/10.55544/jrasb.3.1.21.

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A field experiment was carried out to investigate the impact of different plant spacings and tuber sizes on the growth and yield of potatoes (Solanum tuberosum L.). Four tuber sizes (10-20 g, 20-30 g, 30-40 g, and 40-50 g) and three plant spacings (60 x 15 cm, 60 x 30 cm, and 60 x 45 cm) were examined. The study found significant effects of both plant spacing and tuber size on various growth and yield parameters. Increasing plant spacing generally led to increased shoot growth and tuber weight per plant but decreased plant height and overall tuber yield. Similarly, larger tuber sizes were asso

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Hidayah, Sefti Nurul, Ramdan Hidayat, and Nova Triani. "Study of Paclobutrazol Dosage and Seed Size on Growth and Yield of Porang (Amorphophallus onchophyllus P.)." Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 11, no. 4 (2022): 574. http://dx.doi.org/10.23960/jtep-l.v11i4.574-588.

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The konjac plant (Amorphophallus oncophyllus Prain.) contains high glucomannan with many benefits. This experiment aimed to study effect of paclobutrazol dose and seedling size on the growth and yield of konjac plants. The research was arranged factorially based on a Completely Randomized Design with two factor. The first factor (paclobutrazol dose) consisted of P0: 0.0 g/plant, P1: 0.05 g/plant, P2: 0.10 g/plant, P3: 0.15 g/plant, P4: 0.20 g/plant. The second factor (seed size) consisted of U1: 20-50 g/seed, U2: 100-150 g/seed, U3: 200-250 g/seed. Observation parameters included plant height,

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Chen, Junne-Jih, and Yu-Ju Liao. "Nitrogen-induced Changes in the Growth and Metabolism of Cultured Potato Tubers." Journal of the American Society for Horticultural Science 118, no. 6 (1993): 831–34. http://dx.doi.org/10.21273/jashs.118.6.831.

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The effect of N source on `Kennebec' potato (Solanum tuberosum L.) tuberization was investigated using single-node segments originated from in vitro virus-free plantlets and inoculated on media with two nitrate: ammonia ratios (low, 2:1; high, 5:1). Cell count and size and sugar-use characteristics were measured at intervals of tuber development. Tubers grown on high nitrate-ammonia medium exhibited higher rates of sucrose use and higher dry-matter accumulation than tubers grown on low nitrate-ammonia medium. The median value of tuber fresh weight increased from 0.66 to 1.23 g as a result of i

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Spencer, David F., Gregory G. Ksander, and Linda C. Whiteand. "Sago Pondweed (Potamogeton pectinatus) Tuber Size Influences Its Response to Fluridone Treatment." Weed Science 37, no. 2 (1989): 250–53. http://dx.doi.org/10.1017/s0043174500071861.

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In greenhouse experiments, sago pondweed plants were grown from three different size classes of tubers and treated with four levels of fluridone. Results indicate that although fluridone significantly reduced mean plant weight, the extent of the reduction in weight depended on the size of tuber from which the plant was grown. Mean plant weight was greater for plants exposed to fluridone (up to 0.5 mg/L) for 7 days, if the plants were initially from larger tubers (51 to 60 or 101 to 200 vs. 11 to 20 mg fresh weight). Mean plant length and the number of ramets/plant were affected in a similar ma

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Oketch, Anthony O., Jonah K. Ngeno, Lucas K. Ngode, Josiah C. Chiveu, and Harrison Churu. "Effects of Source and Rates of Potassium Fertilizer on Yield Traits and Potassium Use Efficiency of Potato in a Kenyan Ferralsol." Asian Journal of Soil Science and Plant Nutrition 9, no. 4 (2023): 152–60. http://dx.doi.org/10.9734/ajsspn/2023/v9i4201.

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Aims: Potassium (K) is one of the nutrient elements taken up in large amounts by potatoes, yet there is little research output on K fertilization of the crop in Kenya, due to the assumption that its natural soil reserves are sufficient for the production of most crops. The study objective was to determine the influence of two K sources (muriate of potash – KCL and sulphate of potash – K2SO4) on K use efficiency and tuber yield components of potatoes in one agro-ecological zone of Kenya. Place and Duration of Study: The experimental site was the University of Eldoret farm in Kenya, locate

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Rakvong, Teppratan, Tidarat Monkham, Jirawat Sanitchon, and Sompong Chankaew. "Tuber Development and Tuber Yield Potential of Winged Bean (Psophocarpus tetragonolobus (L.) DC.), an Alternative Crop for Animal Feed." Agronomy 14, no. 7 (2024): 1433. http://dx.doi.org/10.3390/agronomy14071433.

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The winged bean is only one of the members of the leguminous species that has the potential for duo-purpose for its pod and tuber yields. The protein and nutritional content in the tuber can be used as alternative crops for animal feed. Previous studies identified the winged bean varieties as having high potential for tuber production, although their tuber development remains unclear. This study aims to elucidate the development of winged bean tubers based on their size and weight during eight months of growth. Tuber yields of high-potential winged bean varieties (W018 and W099) were compared

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Singh, Shiv Pratap, M. J. Sadawarti, S. Katare, et al. "Effect of Haulm Cutting, Size of Seed Tubers/Seed Pieces and Intra-Row Spacings on Tuber Yield and Economics of Potato Production." International Journal of Bio-resource and Stress Management 13, no. 7 (2022): 780–87. http://dx.doi.org/10.23910/1.2022.2715.

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The field experiments were conducted during two consecutive rabi seasons (October – February) during 2019–20 and 2020–21 at ICAR-Central Potato Research Institute Regional Station, Gwalior, Madhya Pradesh, India located in west central plains of India. Highest emergence of potato plants was recorded with the planting of 40 g whole tubers. Growth attributes viz. plant height (58.6 cm) and number of compound leaves (56.7) were recorded highest with 40 g seed piece/whole tuber. Planting of 120 g seed tubers, 10 cm intra row spacing and 114 days haulm cut recorded highest number of small tubers i.

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Dorokhov, A. S., A. G. Ponomarev, V. N. Zernov, S. N. Petukhov, A. V. Sibirev, and A. G. Aksenov. "The efficiency of using the substrate technological module in the technology of growing potato mini-tubers." Agricultural Science Euro-North-East 24, no. 1 (2023): 141–51. http://dx.doi.org/10.30766/2072-9081.2023.24.1.141-151.

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Known technologies and methods for obtaining virus-free potato mini-tubers of a required size fraction do not fully provide the highest multiplication factor, which occurs due to the insufficient productivity of an individual potato plant. On the basis of long-term experimental data (2012…2022), an assessment of the effectiveness of methods for growing potato mini-tubers in open and protected ground conditions is given. According to the number of tubers harvested from one plant, all growing methods can be divided into two large groups: traditional (3-12 potatoes per plant) and modified (more t

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Arif Wijayanto and Juvita Herdianty. "Formulation of Acetaminophen Granules with Porang Tuber Amylum (Amorphophallusoncophyllus) that Meets the Parameters of Particle Size Distribution and Destruction Time." Strada Journal of Pharmacy 6, no. 1 (2024): 109–13. https://doi.org/10.30994/sjp.v6i1.168.

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Many farmers are interested in planting porang tubers, with many farmers planting porang tubers, the price of porang tubers will decrease during harvest . Porang tubers have several contents, namely starch, glucomannan, fiber, fat, protein, minerals and vitamins. Glucomannan content can be used as a tablet binder, thickener, gilling agent, film former, coating material emulsifier, and stabilizer. The purpose of this study was to determine the concentration of porang tuber flour as a binder in Acetaminophenum granules using the wet granulation method. Granules were made into three formulations

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Glass, J. R., K. B. Johnson, and M. L. Powelson. "Assessment of Barriers to Prevent the Development of Potato Tuber Blight Caused by Phytophthora infestans." Plant Disease 85, no. 5 (2001): 521–28. http://dx.doi.org/10.1094/pdis.2001.85.5.521.

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Experiments were conducted in an irrigated, sandy loam soil to evaluate mulches and hill sizes as barriers to prevent the development of potato tuber blight caused by Phytophthora infestans. In mulching experiments, five treatments were applied to field plots of cv. Red LaSoda: 1, no mulch; 2, polyurethane spray foam in an 8-cm-diameter area immediately surrounding the plant stem; 3, black polyethylene film over the entire hill except near the stem; 4, a combination of treatments 2 and 3; and 5, a water-permeable, agricultural textile treated with copper hydroxide applied over the same hill ar

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Hamid, Ahmed A. A. "Investigation on Field Performance of Plowing and Harvesting Potatoes in Southern Baghdad." Basrah Journal of Agricultural Sciences 37, no. 1 (2024): 196–211. http://dx.doi.org/10.37077/25200860.2024.37.1.15.

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This field experiment, was conducted to investigate a comparison of two methods for harvesting potatoes: mechanical and handy when using moldboard and chisel plow for primary tillage and three different distances for planting tubers in the rows 15, 25, and 35 cm in silt clay loam soil south of Baghdad. The factorial experiment followed a randomized complete block design with three replications using L.S.D. 5 % and 1 %. Mechanical harvest recorded the best valid potato tubers at 88.78 %, marketable yield of 31.74 ton. ha-1, efficiency lifted 95.68 %, tubers damage index 28.41, speeding up the h

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Struik, P. C., E. van Heusden, and K. Burger-Meijer. "Effects of short periods of long days on the development, yield and size distribution of potato tuber." Netherlands Journal of Agricultural Science 36, no. 1 (1988): 11–22. http://dx.doi.org/10.18174/njas.v36i1.16693.

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Experiments were carried out to study the effects of short periods (12 or 16 cycles) of long days (24 h) on the development of stolons and tubers, and on the yield and tuber size distribution of potato cv. Bintje. Treatments initiated at an early stage of growth delayed tuber initiation but stimulated stolon elongation and stolon branching, thus increasing the number of tuber incipients. Later treatments merely delayed tuber set or tuber growth. Short treatments did not affect total tuber yield. A prolonged treatment (48 days) increased the yield in 1 of the 3 experiments. Because of these eff

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Dahlenburg, AP, NA Maier, and CMJ Williams. "Effect of nitrogen on the size, specific gravity, crisp colour and reducing sugar concentration of potato tubers (Solanum tuberosum L.) cv. Kennebec." Australian Journal of Experimental Agriculture 30, no. 1 (1990): 123. http://dx.doi.org/10.1071/ea9900123.

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Four field experiments were conducted over 2 years on coarse grain siliceous sands in the Mt Lofty Ranges (3 sites) and Lower South East (1 site) to examine the effect of different rates of applied nitrogen (up to 320 kg N/ha) on the size, specific gravity, crisp colour and reducing sugar concentration of potato tubers of the cv. Kennebec. As the rate of applied nitrogen (N) was increased, there was a significant (P<0.05) increase in the yield of 80-350 and >350 g tubers. Rate of applied N did not significantly affect the yield of <80 g tubers. Highest yields of >350 g (large) tube

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Love, Stephen L., and Asunta Thompson-Johns. "Seed Piece Spacing Influences Yield, Tuber Size Distribution, Stem and Tuber Density, and Net Returns of Three Processing Potato Cultivars." HortScience 34, no. 4 (1999): 629–33. http://dx.doi.org/10.21273/hortsci.34.4.629.

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Seed piece spacing is an important economic consideration in the production of potatoes (Solanum tuberosum L.). The optimum spacing varies with cultivar and intended market. A study was designed to determine the influence of seed piece spacing on yield, tuber size distribution, net returns, and stem and tuber density of three processing potato cultivars. Seed tubers of cultivars Russet Burbank, Frontier Russet, and Ranger Russet were planted 8, 15, 23, 31, 46, 61, 76, or 91 cm apart at two locations in 1988 and 1989. Total, marketable (U.S. No. 1), and midsize (226–452 g tubers) yield, tuber s

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Maier, NA, AP Dahlenburg, and AB Frensham. "Potassium nutrition of irrigated potatoes in South Australia. 3. Effect on specific gravity, size and internal bruising of tubers." Australian Journal of Experimental Agriculture 26, no. 6 (1986): 737. http://dx.doi.org/10.1071/ea9860737.

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The effects were studied of potassium sulfate and potassium chloride applied at rates up to 640 kg/ha K on tuber specific gravity, size and susceptibility to internal bruising. The field experiments from which these data were obtained were conducted during the 1982-83 and 1983-84 seasons throughout the main potato-growing areas of South Australia. For the deficient and marginal site groupings, there was a consistent positive trend in specific gravity as potassium sulfate rates increased up to 640 kg/ha K. There was a slight negative trend when potassium chloride was used. Potassium fertiliser

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Aighewi, Beatrice, Norbert Maroya, Djana Mignouna, Daniel Aihebhoria, Morufat Balogun, and Robert Asiedu. "The influence of minisett size and time of planting on the yield of seed yam (Dioscorea Rotundata)." Experimental Agriculture 56, no. 3 (2020): 469–81. http://dx.doi.org/10.1017/s0014479720000095.

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AbstractIn traditional yam (Dioscorea spp.) production systems in West Africa, finding sole seed yam producers is rare and up to 30% of harvested tubers from the ware tuber crop is reserved to plant an equivalent area of the harvested crop during the next season. Many farmers typically must make a trade-off between food and seed in the use of available tubers. A study was carried out using a factorial experiment in a randomised complete block design to investigate the influence of planting different minisett sizes at different planting periods on the yield of seed yam with the aim of improving

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Hoky, Indah Tria, Ida Ayu Astarini, and Made Pharmawati. "KEANEKARAGAMAN TANAMAN UMBI – UMBIAN YANG BERPOTENSI SEBAGAI PANGAN ALTERNATIF DI KECAMATAN RENDANG DAN BEBANDEM, KABUPATEN KARANGASEM, BALI." SIMBIOSIS 10, no. 2 (2022): 122. http://dx.doi.org/10.24843/jsimbiosis.2022.v10.i02.p01.

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ABSTRACT This study aimed to explore and identify the types of tubers, processing methods, utilization, morphological characteristics and nutritional content of tuber plants found in Rendang District and Bebandem District, Karangasem Regency. The method used was descriptive method with interview techniques, field observations, exploration, collection and documentation. The results showed there are 9 types of tubers were found, namely Manihot esculenta Crantz., Ipomoea batatas L., Colocasia esculenta L., Xanthosoma sagittifolium (L.) Schott, Amorphophallus campanulatus BI., Dioscorea alat

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Manamela, Juliet Makalla, Thabiso Kenneth Satekge, Tieho Paulus Mafeo, and Sasan Aliniaeifard. "Effect of Edible Wax on Postharvest Greening of Potato Tubers during Light Exposure." Horticulturae 10, no. 9 (2024): 922. http://dx.doi.org/10.3390/horticulturae10090922.

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During retail storage, potato tubers are exposed to light that results in tuber greening. Green tubers are toxic and rejected by consumers. In the present study, the effect of Citrashine® natural wax on the postharvest tuber greening of two potato cultivars (‘Mondial’ and ‘Sifra’) was studied. The tubers were irradiated with white light during a 12-day storage period at ambient temperature. During light exposure, tubers were evaluated for colour, pigmentation, chlorophyll fluorescence and starch granule distribution at 3-day intervals. The results showed that wax-treated tubers had significant

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Zulu, D., R. H. Ellis, and A. Culham. "Propagation of lusala (Dioscorea hirtiflora), a wild yam, for in situ and ex situ conservation and potential domestication." Experimental Agriculture 56, no. 3 (2020): 453–68. http://dx.doi.org/10.1017/s0014479720000083.

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SummaryLusala (Dioscorea hirtiflora Benth. subsp. pedicellata Milne-Redh) is an important wild edible tuber foraged widely from natural forests in Southern Zambia, but at risk from overharvesting and deforestation. Its propagation was investigated in glasshouse studies to explore potential domestication and future in situ and ex situ genetic resources conservation. Almost all tubers planted with visible shoot buds produced vines, with no effect of tuber size on vine emergence or tuber yield. Few tubers without visible shoot buds at planting produced vines, but those that did not re-tuberized.

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Wurr, D. C. E., J. R. Fellows, and E. J. Allen. "Determination of optimum tuber planting density in the potato varieties Pentland Squire, Cara, Estima, Maris Piper and King Edward." Journal of Agricultural Science 119, no. 1 (1992): 35–44. http://dx.doi.org/10.1017/s0021859600071525.

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SummaryThirty-two experiments examining the effects of the weight and within-row spacing of potato seed tubers on graded tuber yields of five varieties were conducted on eight sites from 1980 to 1985. A complex analysis technique was used to combine these data and estimate the optimum tuber planting densities for different ratios of seed cost to small (40–60 mm) and large (60–80 mm) ware value. The same technique could be applied to any other combination of seed cost, ware size and ware value.The optimum tuber planting density decreased with increasing seed-tuber weight. Differences in optimum

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Sohrabi Kertabad, S., M. H. Rashed Mohassel, M. Nasiri Mahalati, and J. Gherekhloo. "Some biological aspects of the weed Lesser celandine (Ranunculus ficaria)." Planta Daninha 31, no. 3 (2013): 577–85. http://dx.doi.org/10.1590/s0100-83582013000300010.

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Lesser celandine (Ranunculaceae) is a perennial weed with tuberous root. Tubers are the most important means of reproduction and dispersion of this weed. In recent years, it has spread into wheat fields in Western Iran, mainly in the Lorestan province. A series of experiments were conducted to determine cardinal temperatures and to study the effects of pre-chilling, temperature fluctuations, tuber size, freezing and drying on germination of the tubers, as well as the effect of planting depth on sprouting of the tubers. The results obtained showed that the highest percentage of germination occu

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Dinçel, Burak, and Güngör Yılmaz. "The Effects of Different GA3 and Mycorrhiza Dosages on Mini Tuber Production in Potatoes." Turkish Journal of Agriculture - Food Science and Technology 12, no. 4 (2024): 619–24. http://dx.doi.org/10.24925/turjaf.v12i4.619-624.6760.

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This study was conducted in 2017 under greenhouse conditions using selected four different potato clones to determine the effects of different doses of GA3 and arbuscular mycorrhizal fungus on mini tuber production. The research, carried out in a randomized complete block design with three replications, applied GA3 doses of 0, 5, 10, and 15 ppm, and mycorrhizal inoculat doses of 0, 500, 1250, and 2000 mg/100 tubers. Parameters including emergence time, plant height, main stem number, tuber number, average tuber weight, tuber size distribution (>45 mm, 28-45 mm, <28 mm), and maturity peri

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Bhattarai, Sabin, Bikram Nepali, Manoj Bhatta, Ananta Raj Devkota, and Jiban Shrestha. "Efficacy of Various Biopesticides against Red Ant (Dorylus orientalis Westwood) in Potato Field." International Journal of Agriculture System 10, no. 2 (2022): 104. http://dx.doi.org/10.20956/ijas.v10i2.3062.

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Red ant (Dorylus orientalis Westwood) is the most destructive insect pest of potato tubers in the field in Nepal. A field experiment was conducted at Bhatkada, Dadeldhura district, Nepal in 2020 to determine the efficacy of various biopesticides and chemical insecticide on red ants. The plot size in this experiment was 106.7 m2. Five treatments viz. Chlorpyriphos 20% EC (2 mL L-1 water), Banmaara (2 kg plot-1), Cow urine (2 L 6 L-1water plot-1), Agave (25 g tuber-1) and Control (no treatment) were evaluated in randomized complete block design with four replications. The data on plant height an

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Niemira, Brendan A., William W. Kirk, and Jeffrey M. Stein. "Screening for Late Blight Susceptibility in Potato Tubers by Digital Analysis of Cut Tuber Surfaces." Plant Disease 83, no. 5 (1999): 469–73. http://dx.doi.org/10.1094/pdis.1999.83.5.469.

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A method for quantification of late blight (Phytophthora infestans) in potato tuber tissue using a digital scanner and image analysis software is presented. The average reflective intensity of light reflected from the cut surface of sample tubers measures the darkened, diseased potato tuber tissue amid lighter, late blight-free tissue. In the absence of disease, potato variety, tuber shape, and tuber size do not influence the scan results. While digital quantification of late blight in tubers under controlled inoculation conditions is consistent, the digital assessments of late blight did not

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