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Artykuły w czasopismach na temat „Amaranthus yield”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Toimbayeva, Dana, Saule Saduakhasova, Svetlana Kamanova, et al. "Prospects for the Use of Amaranth Grain in the Production of Functional and Specialized Food Products." Foods 14, no. 9 (2025): 1603. https://doi.org/10.3390/foods14091603.

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This review is dedicated to exploring recent advancements in the study of amaranth grain and presents research primarily on Amaranthus species such as Amaranthus cruentus, Amaranthus hypochondriacus, and Amaranthus caudatus, and to a lesser extent Amaranthus hybridus, Amaranthus mantegazzianus, Amaranthus muricatus, Amaranthus tuberculatus, Amaranthus viridis, Amaranthus spinosus, and Amaranthus tenuifoliu. Amaranth (Amaranthus spp.) is a promising, high-yield pseudocereal crop with significant commercial potential for developing functional food products. It contains a wide range of bioactive

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Degri, M. M., and D. A. Samaila. "Effects of intra-row spacing and weeding frequency on leaf caterpillar (Hymenia recurvalis F.) infestation on amaranth (Amaranthus sp.) in Wukari, Taraba State, Nigeria." Net Journal of Agricultural Science 11, no. 3 (2023): 35–42. http://dx.doi.org/10.30918/njas.113.23.035.

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Plant spacing and weeding are among the key factors determining leafy vegetable growth and yield through maximum utilization of space, nutrients, water and sunlight. Amaranthus species is a popular and very important leafy vegetable crop that is infested and damaged by the arthropod pests in Nigeria. Therefore, this study identified the optimum spacing and proper weeding regime required for the control of leafy caterpillars (Hymenia recurvalis F.) and ensuring the potential yield of amaranths. Field experiments were conducted to evaluate the effects of plant spacing and weeding frequency in th

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Schweig, Sarah R., and Rebecca N. Brown. "Vegetable Amaranths for Summer Greens Production in the Northeastern United States." HortTechnology 28, no. 3 (2018): 399–406. http://dx.doi.org/10.21273/horttech03906-17.

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In 2016, 10 vegetable amaranth (Amaranthus sp.) varieties were evaluated for fresh greens production in the northeastern temperate climate. Yield, cv, and leaf-to-stem ratios were reported for the eight varieties of edible amaranth (Amaranthus tricolor), one of slender amaranth (Amaranthus viridis), and one of green amaranth (Amaranthus hybridus). All plants were grown using drip irrigation and black plastic mulch under 0.8-mil clear slitted low tunnels. Ten plants of each variety were tested in a randomized complete block design with four replications; the study was repeated seven times over

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Roitner-Schobesberger, B., and Kaul H-P. "Source capacity during flowering affects grain yield of amaranth (Amaranthus sp.)." Plant, Soil and Environment 59, No. 10 (2013): 472–77. http://dx.doi.org/10.17221/528/2013-pse.

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Amaranth is a promising C4-crop. However, for a wider spread of the crop a better understanding of factors that are influencing yield formation is crucial for optimizing the plant phenotype and enhancing yield. The present study wanted to clarify the effects of assimilate sources and sinks on yield formation by artificially altering source or sink size. Field experiments were conducted in Eastern Austria during three years with three genotypes, applying source-sink manipulation treatments at mid flowering (control, 50% of inflorescence removed, 50% or 100% of leaves removed). At maturity we me

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Oyedeji, Stephen, David Adedayo Animasaun, Abdullahi Ajibola Bello, and Oludare Oladipo Agboola. "Effect of NPK and Poultry Manure on Growth, Yield, and Proximate Composition of Three Amaranths." Journal of Botany 2014 (January 12, 2014): 1–6. http://dx.doi.org/10.1155/2014/828750.

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The study compares the growth, yield, and proximate composition of Amaranthus hybridus, Amaranthus cruentus, and Amaranthus deflexus, grown with poultry manure and NPK in relation to the unfertilized soil of Ilorin, Nigeria. Viable seeds of the Amaranths raised in nursery for two weeks were transplanted (one plant per pot) into unfertilized soil (control) and soils fertilized with either NPK or poultry manure (PM) at 30 Kg ha−1 rate arranged in randomized complete block design with four replicates. Data were collected on plant height, stem girth, number of leaves, leaf area, and number of bran

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6

Schweizer, Edward E., and Thomas C. Lauridson. "Powell Amaranth (Amaranthus powellii) Interference in Sugarbeet (Beta vulgaris)." Weed Science 33, no. 4 (1985): 518–20. http://dx.doi.org/10.1017/s004317450008276x.

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Interference of Powell amaranth (Amaranthus powelliiS. Wats. ♯ AMAPO) in sugarbeet (Beta vulgarisL. ‘Mono Hy A4’) was determined in field experiments. Yield of sugarbeet roots and recoverable sucrose/ha decreased as the density of Powell amaranth increased. At densities of 6, 12, 18, and 24 Powell amaranth plants/30 m of row, root yields were reduced 8, 14, 24, and 25%, respectively, and recoverable sucrose yields were reduced 7, 13, 23, and 24%, respectively. The minimum number of Powell amaranth plants required per 30 m of row to reduce sugarbeet root yields was estimated to be nine in 1982

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Berry, Adrian D., William M. Stall, B. Rathinasabapathi, Gregory E. Macdonald, and R. Charudattan. "Smooth Pigweed (Amaranthus hybridusL.) and Livid Amaranth (Amaranthus lividus) Interference with Cucumber (Cucumis sativus)." Weed Technology 20, no. 1 (2006): 227–31. http://dx.doi.org/10.1614/wt-04-239r.1.

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Field studies were conducted to determine the effect of season-long interference of smooth pigweed or livid amaranth on the shoot dry weight and fruit yield of cucumber. Smooth pigweed or livid amaranth densities as low as 1 to 2 weeds per m2caused a 10% yield reduction in cucumber. The biological threshold of smooth pigweed or livid amaranth with cucumber is between 6 to 8 weeds per m2. Consequently, weed interference resulted in a reduction in cucumber fruit yield. Smooth pigweed, livid amaranth, and cucumber plant dry weight decreased as weed density increased. Evaluation of smooth pigweed,

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Valdayskih, Viktor, Elena Artem'eva, Mihail Karpuhin, and R. Mihalischev. "The comparative yield of large-herb plants when growing in the Middle Urals." Agrarian Bulletin of the 214, no. 11 (2021): 2–7. http://dx.doi.org/10.32417/1997-4868-2021-214-11-2-7.

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Abstract. The purpose of the research is to isolate species of annual and perennial herbaceous plants that are promising for the tasks of accelerating the sequestration of atmospheric carbon, resistant to local soil and climatic conditions and having high productivity from the collection fund of the botanical garden of the Ural Federal University. Methods. The article presents data on the productivity of four types of herbaceous plants: Amaranthus caudatus L., Amaranthus cruentus L., Polygonum weyrichii F. Schmidt and Echinops sphaerocephalus L., grown in the botanical garden. All the research

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9

Artem'eva, Elena, V. Valdayskih, Tat'yana Radchenko, and Mihail Karpuhin. "The prospects of growing large-herb plants as carbon-depositing crops." Agrarian Bulletin of the 227, no. 12 (2023): 2–10. http://dx.doi.org/10.32417/1997-4868-2022-227-12-2-10.

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Abstract. The purpose of the research is to study of yield some annual and perennial plant species which were grown in the botanical garden of the Ural Federal University. Plant species with high productivity, resistant to local soil and climatic conditions and promising for carbon sequestration have been identified. Methods. The article presents data of fresh and dry yield, carbon content of five species Amaranthus caudatus L., Amaranthus cruentus L., Amaranthus hypochondriacus L., Polygonum weyrichii F. Schmidt, Echinops sphaerocephalus L. The yield of these crops was measured in the conditi

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10

Makinde, Margaret J., and Adenike O. Olufolaji. "042 Identification of High-yielding Grain Amaranth (Amaranthus spp.) Cultivars." HortScience 34, no. 3 (1999): 448C—448. http://dx.doi.org/10.21273/hortsci.34.3.448c.

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Having established that the white-seeded amaranth (grain amaranth) can supply both green leaves and seeds (grains) for the Nigerian consumers, there was a need to find cultivars that could yield enough grains to be profitable for an amaranth farmer. Several lines (>100) were screened, with the opaque and creamy-colored seed as the ultimate target. These cultivars, NHAm 261-1 and NHAm258, were selected for yield trials. It was possible to have a high seed rate of 100 plants/m2, and thinning to 22 plants/m2 at the end of 6 weeks. These 22 plants were left to mature, and a maximum of 20 plants

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11

Smith, Stephen C., Katherine M. Jennings, David W. Monks, Sushila Chaudhari, Jonathan R. Schultheis, and Chris Reberg-Horton. "Critical timing of Palmer amaranth (Amaranthus palmeri) removal in sweetpotato." Weed Technology 34, no. 4 (2020): 547–51. http://dx.doi.org/10.1017/wet.2020.1.

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AbstractPalmer amaranth is the most common and troublesome weed in North Carolina sweetpotato. Field studies were conducted in Clinton, NC, in 2016 and 2017 to determine the critical timing of Palmer amaranth removal in ‘Covington’ sweetpotato. Palmer amaranth was grown with sweetpotato from transplanting to 2, 3, 4, 5, 6, 7, 8, and 9 wk after transplanting (WAP) and maintained weed-free for the remainder of the season. Palmer amaranth height and shoot dry biomass increased as Palmer amaranth removal was delayed. Season-long competition by Palmer amaranth interference reduced marketable yields

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12

Dhakshayani, J., Jyothsna J., and B. Surendiran. "Fertilizer Optimization through Machine Learning-driven Models: An Empirical Investigation on Smart Farming of Amaranth." International Journal of Environment and Climate Change 14, no. 5 (2024): 254–67. http://dx.doi.org/10.9734/ijecc/2024/v14i54186.

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Amaranth is a highly nutritious leafy vegetable cum pseudo-cereal crop known for its adaptability to various climatic conditions, making it a promising crop for addressing the food security and nutritional needs of a growing population. To enhance its quality and boost yields, farmers mainly depend on synthetic fertilizers. However, the excessive use of inorganic fertilizers to maximize crop yields poses significant ecological risks. This study aimed to investigate the impact of excessive inorganic fertilizer on the growth, yield, and physiological attributes of Amaranthus with the aid of adva

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13

Gagieva, L. Ch, L. V. Chkareuli, Kh M. Khetagurov, and A. A. Abaev. "COMMERCIAL-BIOLOGICAL INDICATORS OF PERFORMANCE OF DIFFERENT SAMPLES OF AMARANTH AMARANTHUS HYPOCHONDRIACUS L. IN THE FOOTHILLS OF NORTH OSSETIA-ALANIA." Proceedings of Gorsky State Agrarian University 61, no. 3 (2024): 70–76. http://dx.doi.org/10.54258/20701047_2024_61_3_70.

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The introduction into cultivation of new plant species that combine not only high yields and nutritional benefits, but also resistance to diseases and pests is an important task for the agricultural industry. The main feature of amaranth is its high performance and active growth, which allows it to be used as a crop with a short growing season, and amaranth also has high seed performance, unlike other traditional crops. The studies were carried out at the experimental site of the Research Institute of Biotechnology of the Federal State Budgetary Institution of Higher Education Gorsky State Agr

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14

Meyers, Stephen L., Katherine M. Jennings, Jonathan R. Schultheis, and David W. Monks. "Interference of Palmer Amaranth (Amaranthus palmeri) in Sweetpotato." Weed Science 58, no. 3 (2010): 199–203. http://dx.doi.org/10.1614/ws-d-09-00048.1.

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Field studies were conducted in 2007 and 2008 at Clinton and Faison, NC, to evaluate the influence of Palmer amaranth density on ‘Beauregard’ and ‘Covington’ sweetpotato yield and quality and to quantify the influence of Palmer amaranth on light interception. Palmer amaranth was established at 0, 0.5, 1.1, 1.6, 3.3, and 6.5 plants m−1within the sweetpotato row and densities were maintained season-long. Jumbo, number (no.) 1, and marketable sweetpotato yield losses were fit to a rectangular hyperbola model, and predicted yield loss ranged from 56 to 94%, 30 to 85%, and 36 to 81%, respectively f

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Gimplinger, D. M., G. Dobos, R. Schönlechner, and H. P. Kaul. "Yield and quality of grain amaranth (Amaranthus sp.) in Eastern Austria." Plant, Soil and Environment 53, No. 3 (2008): 105–12. http://dx.doi.org/10.17221/2224-pse.

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The introduction of a new crop requires adapted genotypes as well as optimum crop management practices. This study was conducted to determine the optimum crop density of adapted grain amaranth genotypes in the Pannonian region of Eastern Austria. The genotypes Neuer Typ (<i>A. hypochondriacus</i>), Mittlerer Typ (<i>A. hypochondriacus</i>) and Amar (<i>A. cruentus</i>) were established at plant densities of 8, 17 and 35 plants/m<sup>2</sup> in 2002 and 2003. Average hand-harvested yields ranged from 2200 to 3000 kg/ha without significant genotypi

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Klingaman, Tracy E., and Lawrence R. Oliver. "Palmer Amaranth (Amaranthus palmeri) Interference in Soybeans (Glycine max)." Weed Science 42, no. 4 (1994): 523–27. http://dx.doi.org/10.1017/s0043174500076888.

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A 2-yr field study was conducted at Fayetteville, AR, to determine the effect of Palmer amaranth interference on soybean growth and yield. Palmer amaranth density had little effect on soybean height, but soybean canopy width ranged from 77 cm in the weed-free check to 35 cm in plots with 10 plants m–1of row 12 wk after emergence. Soybean yield reduction was highly correlated to Palmer amaranth biomass at 8 wk after emergence and maturity, soybean biomass at 8 wk after emergence, and Palmer amaranth density. Soybean yield reduction was 17, 27, 32, 48, 64, and 68%, respectively, for Palmer amara

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Maanchi, S., S. Praneetha, S. Parveen, D. Uma, and M. Kavitha. "Nutrient Status and Oil Yield of Grain Amaranthus species." International Journal of Environment and Climate Change 13, no. 10 (2023): 2234–44. http://dx.doi.org/10.9734/ijecc/2023/v13i102886.

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Amaranth grain is an underutilized crop known for its vegetative parts as vegetable and grain as food. The grain of the crop contains high amount of iron, magnesium, calcium, potassium and other minerals. However, there are gaps in our understanding and technology on the nutritional diversity of different kinds of vegetables grown in India. The aim of this study was to analyse the nutritional value of amaranth grains from different genotypes (A. hypochondriacus, A. cruentus, and A. caudatus) and to select elite genotype for varietal development. Randomized block design with three replication w

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Nampeera, Esther L., Sue Blodgett, Matthew E. O’Neal, et al. "Resistance of Amaranthus Spp. to the Green Peach Aphid (Hemiptera: Aphididae)." Journal of Economic Entomology 113, no. 3 (2020): 1299–306. http://dx.doi.org/10.1093/jee/toaa013.

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Abstract The green peach aphid [Myzus persicae (Sulzer)] is an important pest of amaranth grown for leaf consumption (i.e., leafy amaranth) in the tropics. Aphids reduce the amount of fresh leaf yield of amaranth and the value of leafy amaranth as aphid-infested leaves are not marketable. Our objective was to evaluate Amaranthus species selected by a breeding program in East Africa to develop cultivars for leaf consumption with resistance to M. persicae. We focused on antibiosis to determine whether varieties of Amaranthus spp. could be grown without producing an aphid population. Artificial i

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Berger, Sarah T., Jason A. Ferrell, Diane L. Rowland, and Theodore M. Webster. "Palmer Amaranth (Amaranthus palmeri) Competition for Water in Cotton." Weed Science 63, no. 4 (2015): 928–35. http://dx.doi.org/10.1614/ws-d-15-00062.1.

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Palmer amaranth is a troublesome weed in cotton production. Yield losses of 65% have been reported from season-long Palmer amaranth competition with cotton. To determine whether water is a factor in this system, experiments were conduced in 2011, 2012, and 2013 in Citra, FL, and in Tifton, GA. In 2011, infrequent rainfall lead to drought stress. The presence of Palmer amaranth resulted in decreased soil relative water content up to 1 m in depth. Cotton stomatal conductance (gs) was reduced up to 1.8 m from a Palmer amaranth plant. In 2012 and 2013 higher than average rainfall resulted in exces

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Dunstan, Gabriel Msuya. "Vegetable yield of amaranthus as determined by repeated against uprooting harvesting." International Journal of Agronomy and Agricultural Research (IJAAR) 26, no. 1 (2025): 1–7. https://doi.org/10.5281/zenodo.15461071.

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Vegetable yield of Amaranthus is influenced as it would be expected by genetics, environment and management practices during the crop growth in the field, but also responds to harvesting technique once the crop has reached harvest. A study was conducted at Sokoine University of Agriculture in Morogoro, Tanzania, to evaluate yield performance of grain and vegetable type Amaranths under uprooting and repeated harvesting practices. Two vegetable type and one grain type Amaranths were used in the experiment, where harvesting involved clipping the growing shoot or twigs one quarter (<sup>1</sup>/<s

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Barkley, Susan L., Sushila Chaudhari, Katherine M. Jennings, Jonathan R. Schultheis, Stephen L. Meyers, and David W. Monks. "Fomesafen Programs for Palmer Amaranth (Amaranthus palmeri) Control in Sweetpotato." Weed Technology 30, no. 2 (2016): 506–15. http://dx.doi.org/10.1614/wt-d-15-00150.1.

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Studies were conducted in 2012 and 2013 to determine the effect of fomesafen based Palmer amaranth control program in ‘Covington' and ‘Evangeline' sweetpotato cultivars. Treatments consisted of fomesafen pretransplant alone at 0.20, 0.28, 0.36, 0.42, 0.56, and 0.84 kg ai ha−1or followed by (fb)S-metolachlor at 1.12 kg ai ha−10 to 7 d after transplanting (DAP), fomesafen at 0.28 kg ha−1fbS-metolachlor at 1.12 kg ha−114 DAP, flumioxazin pretransplant at 0.105 kg ai ha−1,S-metolachlor at 1.12 kg ha−10 to 7 DAP, clomazone at 0.63 kg ha−10 to 7 DAP, napropamide at 2.24 kg ha−10 to7 DAP, flumioxazin

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Rowland, Matt W., Don S. Murray, and Laval M. Verhalen. "Full-season Palmer amaranth (Amaranthus palmeri) interference with cotton (Gossypium hirsutum)." Weed Science 47, no. 3 (1999): 305–9. http://dx.doi.org/10.1017/s0043174500091815.

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Four field experiments were conducted in Oklahoma to measure full-season Palmer amaranth interference on cotton lint yield and fiber properties. Density of the weed ranged from 0 to 12 plants 10 m−1of row. Cotton lint yield vs. weed density fit a linear model for densities ⩽ 8 weeds row−1at Perkins and Chickasha in 1996 and at Alms in 1997. At Perkins in 1997, all densities fit a linear model. For each increase of 1 weed row−1, lint yield reductions were 62 kg ha−1(or 10.7%) and 58 kg ha−1(or 11.5%) at Perkins and at Chickasha in 1996, respectively. At Perkins and Alms in 1997, for each 1 weed

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Agadi, Annapoorna, S. Kolakar, D. Lakshmana, S. Nadukeri, and M. Hanumanthappa. "Genetic variability studies in amaranthus (Amaranthus spp.)." Journal of Horticultural Sciences 16, no. 1 (2021): 36–44. http://dx.doi.org/10.24154/jhs.2021.v16i01.004.

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An investigation was carried out to estimate the nature and extent of genetic variability among twenty Amaranthus genotypes (Amaranthus spp.) under a randomized block designduring the year 2019-20. The phenotypic coefficient of variation was higher than the genotypic coefficient of variation for all the traits. High genotypic coefficient of variation (GCV) and phenotypic coefficient variation (PCV) was observed for leaf area, leaf area index, leaf area duration, AGR, dry weight of leaf per plant, specific leaf weight, speed of germination, chlorophyll content and ascorbic acid (vitam

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Agadi, Annapoorna, S. Kolakar, D. Lakshmana, S. Nadukeri, and M. Hanumanthappa. "Genetic variability studies in amaranthus (Amaranthus spp.)." Journal of Horticultural Sciences 16, no. 1 (2021): 36–44. http://dx.doi.org/10.24154/jhs.v16i1.1077.

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An investigation was carried out to estimate the nature and extent of genetic variability among twenty Amaranthus genotypes (Amaranthus spp.) under a randomized block designduring the year 2019-20. The phenotypic coefficient of variation was higher than the genotypic coefficient of variation for all the traits. High genotypic coefficient of variation (GCV) and phenotypic coefficient variation (PCV) was observed for leaf area, leaf area index, leaf area duration, AGR, dry weight of leaf per plant, specific leaf weight, speed of germination, chlorophyll content and ascorbic acid (vitam

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Ruf-Pachta, Ella K., Dwain M. Rule, and J. Anita Dille. "Corn and Palmer amaranth (Amaranthus palmeri) Interactions with Nitrogen in Dryland and Irrigated Environments." Weed Science 61, no. 2 (2013): 249–58. http://dx.doi.org/10.1614/ws-d-11-00095.1.

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Palmer amaranth influences selection of crop production practices such as irrigation, nitrogen (N) application, and weed control. The objectives of this research were to determine if Palmer amaranth was more responsive to applied N than corn and if this differed under dryland and irrigated conditions in Kansas. Field experiments were conducted near Manhattan, KS, in 2005 and 2006 to evaluate the influence of N rate and Palmer amaranth densities when grown with corn in two soil moisture environments. A very drought-stressed environment and a well-watered environment occurred in 2006, while both

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Adepoju, Samuel Adebowale, Ibrahim Adewale Gbadegesin, Oluwaloni Peter Oluwanisola, and Adama Bola Saadu. "Effects of Fish Pond Sediment on Yield and Productivity of Two Varieties of Amaranths (Amaranthus spp.)." Journal of Agriculture, Aquaculture, and Animal Science 2, no. 1 (2025): 1–6. https://doi.org/10.69739/jaaas.v2i1.189.

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The rising costs of inorganic fertilizers have rendered them inaccessible to many farmers, resulting in reduced crop yields. An affordable alternative for enhancing soil fertility is the use of organic materials such as fish pond sediments. These sediments are nutrient-rich and have the potential to enhance soil quality, promote crop growth, and increase yields. This study examined the effect of fish pond sediments on the yield and productivity of two amaranth varieties. The research was conducted at the University of Ilorin Teaching and Research Farm. A 2x6 factorial experiment was employed u

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Po'latov, Sarvar Mustafoyevich, and Madinabonu Raxmonberdi qizi Xashimova. "AMARANTHUS O'SIMLIGINI YETISHTIRISH TEXNOLOGIYASI." RESEARCH AND EDUCATION 2, no. 7 (2023): 54–62. https://doi.org/10.5281/zenodo.8245506.

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<em>At present, planting and growing universal plants with high yield, water saving, adaptability to various factors of climate change, marketable in the world market, medicinal and high biomass is the demand of the time. At the same time, one of the important issues is to find types of crops that give a high yield in a short period of time for efficient use of irrigated land. One such valuable plant is amaranthus.</em> <em>Due to its high productivity and valuable chemical composition, the amaranth plant is currently used in the world as food, fodder, siderate crops and is important for obtai

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Sultana, N., MAH Khan, S. Akhtar, MS Zaman, and ASMMR Khan. "Performance of ash gourd (benincasa hispida) in intercrop with different leafy vegetables." Progressive Agriculture 28, no. 2 (2017): 92–99. http://dx.doi.org/10.3329/pa.v28i2.33469.

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Due to depletion of per capita land, consistent stress on improving factor productivity has warranted many alternative cropping strategies. The intercropping effect of red amaranth (Amaranthus gangeticus Linn, var. BARI Lalshak-1), jute leaf (Corchorus capsularis, var. Local) and stem amaranth (Amaranthus tricolor var. BARI Data-1) on the yield performance and thereby economic return of ash gourd as main crop was tested in low nitrogen and medium phosphorus and potassium under Netrakona district of Bangladesh. The experiment consisted of four crop combinations viz., sole ash gourd, ash gourd +

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Ahammed, A. U., M. M. Rahman, and M. A. K. Mian. "GENETIC VARIABILITY, HERITABILITY AND CORRELATION STUDY IN STEM AMARANTH (Amaranthus tricolor)." Bangladesh Journal of Plant Breeding and Genetics 25, no. 2 (2012): 25–32. http://dx.doi.org/10.3329/bjpbg.v25i2.18664.

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Genetic variability, heritability and correlation analysis were done for yield and its component characters in twenty two (22) diverse genotypes of stem amaranth. The highest PCV (87.85%) and GCV (81.67%) were observed for primary branches per plant while the lowest PCV (10.28%) was found in plant height and the lowest GCV (7.51%) was found in leaf width. Heritability estimates in broad sense were higher for leaf weight per plant (91.10%) followed by leaves per plant (86.83%), primary branches per plant (86.42%), stem weight per plant (82.56%) and yield per hectare (78.70%). Leaf weight per pl

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Meyers, Stephen L., Katherine M. Jennings, and David W. Monks. "Herbicide-Based Weed Management Programs for Palmer Amaranth (Amaranthus palmeri) in Sweetpotato." Weed Technology 27, no. 2 (2013): 331–40. http://dx.doi.org/10.1614/wt-d-12-00036.1.

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Studies were conducted in 2010 and 2011 to determine the effect of herbicide-based Palmer amaranth management systems in ‘Covington' sweetpotato. Treatments consisted of three herbicide application times. Pretransplant applications were flumioxazin at 107 g ai ha−1, fomesafen at 280 g ai ha−1, flumioxazin at 70 g ha−1plus pyroxasulfone at 89 g ai ha−1, or no herbicide. A second herbicide application was applied within 1 d after transplanting (DAP) and consisted ofS-metolachlor at 800 g ai ha−1, clomazone at 630 g ai ha−1, or no herbicide. Two weeks after planting (WAP) plots receivedS-metolach

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Meena, Manisha. "Studies on Yield and Yield Attributing Characters of Amaranth (Amaranthus spp.) Genotypes under Prayagraj Agro-Climatic Condition, India." Ecology, Environment and Conservation 30, SUPPL (2024): S204—S208. http://dx.doi.org/10.53550/eec.2024.v30i03s.037.

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The field experiment entitled “Studies on Yield and Yield Attributing Characters of Amaranth (Amaranthus spp.) Genotypes Under Prayagraj Agro-Climatic Condition” was carried out at Central research field, Department of Genetics and Plant Breeding, Naini Agricultural Institute, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, during Rabi season (2022-2023). Five plants were selected randomly from each plot and were tagged and maintained as observational plants for recording their growth and yield characters of Amaranthus. The Experiment was laid out in a Randomize

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Chaukse, Chandrapal, and Deepika Vyas. "Study about Correlation and Path Analysis in Grain Amaranth (Amaranthus hypochondriacus L.)." Asian Journal of Soil Science and Plant Nutrition 10, no. 4 (2024): 189–93. http://dx.doi.org/10.9734/ajsspn/2024/v10i4394.

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Twenty six genotypes of grain amaranth were evaluated during rabi 2017-18 for assessing the correlation and path coefficient analysis for grain yield and its components. The grain yield per plant was found to be positively and significantly associated with plant height, panicle length, dry weight of leaves, dry weight of panicles, biological yield/plant and harvest index. Dry weight of panicles had highest path towards grain yield per plant, dry weight of leaves directly associated with days to maturity and plant height. This indicates that these characters played an important role in higher g

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Chakrabarty, Tonmoy, Umakanta Sarker, M. Hasan, and M. M. Rahman. "Variability in mineral compositions, yield and yield contributing traits of stem amaranth (Amaranthus lividus)." Genetika 50, no. 3 (2018): 995–1010. http://dx.doi.org/10.2298/gensr1803995c.

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Dinssa, Fekadu Fufa, Ruth Minja, Thomas Kariuki, Omary Mbwambo, Roland Schafleitner, and Peter Hanson. "Gender-disaggregated Farmers Participatory Variety Selection in Amaranth Multilocation Trials in Kenya and Tanzania." HortTechnology 32, no. 3 (2022): 288–303. http://dx.doi.org/10.21273/horttech04963-21.

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Amaranths (Amaranthus sp.) are a popular leafy vegetable grown and consumed by resource-poor people in many African countries. Greater awareness of the importance of nutritious foods has increased demand by African consumers for amaranth. Presently, most African farmers grow low-yielding local varieties of variable seed quality. High-yielding amaranth varieties that are adapted to the major agro-ecologies of eastern and southern Africa possess key traits needed by male and female farmers and meet diverse market preferences are required. The objective of this study was to identify amaranth line

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Oduwaye, Olusegun A., Justina B. O. Porbeni, and Ibidun S. Adetiloye. "Genetic Variability and Associations Between Grain Yield and Related Traits in Amaranthus cruentus and Amaranthus hypochondriacus Grown at Two Locations." Journal of Horticultural Research 24, no. 2 (2016): 91–99. http://dx.doi.org/10.1515/johr-2016-0025.

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Abstract For plant genetic improvement, it is paramount to determine genetic components for the selection of desirable traits. Eighteen Amaranthus cruentus and 11 Amaranthus hypochondriacus genotypes were evaluated at two locations in Nigeria differing in temperature/precipitation to determine the influence of environment on genetic gain. Genotype × environment was significant for all analysed morphological parameters and for grain yield, 1000 seed weight and no. of days to 50% flowering in A. cruentus. In A. hypochondriacus genotype × environment was significant for plant height, leaf length

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Palhano, Matheus G., Jason K. Norsworthy, and Tom Barber. "Cover Crops Suppression of Palmer Amaranth (Amaranthus palmeri) in Cotton." Weed Technology 32, no. 1 (2017): 60–65. http://dx.doi.org/10.1017/wet.2017.97.

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AbstractWith the recent confirmation of protoporphyrinogen oxidase (PPO)-resistant Palmer amaranth in the US South, concern is increasing about the sustainability of weed management in cotton production systems. Cover crops can help to alleviate this problem, as they can suppress weed emergence via allelochemicals and/or a physical residue barrier. Field experiments were conducted in 2014 and 2015 at the Arkansas Agricultural Research and Extension Center to evaluate various cover crops for suppressing weed emergence and protecting cotton yield. In both years, cereal rye and wheat had the high

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Ahammed, A. U., M. M. Rahman, and M. A. K. Mian. "MUTIVARIATE ANALYSIS IN STEM AMARANTH (Amaranthus tricolor)." Bangladesh Journal of Plant Breeding and Genetics 26, no. 1 (2013): 11–17. http://dx.doi.org/10.3329/bjpbg.v26i1.19979.

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The genetic divergence among 22 genotypes of stem amaranth was estimated using D² and Principal Component Analysis. The genotypes were grouped into four clusters. Cluster I, II, III and IV composed of two, four, seven and nine genotypes in succession. No relationship was found between divergence and geographic distribution of the genotypes. Maximum inter cluster distance (12.326) was observed between cluster I and III and it was minimum (3.526) between cluster I and II. The crosses between the genotypes of cluster I with that of cluster III and cluster II with cluster III would exhibit high he

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Sarker, Umakanta, Md Tofazzal Islam, Md Golam Rabbani, and Shinya Oba. "Variability, heritability and genetic association in vegetable amaranth (Amaranthus tricolor L.)." Spanish Journal of Agricultural Research 13, no. 2 (2015): e0702. http://dx.doi.org/10.5424/sjar/2015132-6843.

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Forty three vegetable amaranth (<em>Amaranthus tricolor</em> L.) genotypes selected from different eco-geographic regions of Bangladesh were evaluated during 3 years (2012-2014) for genetic variability, heritability and genetic association among mineral elements and quality and agronomic traits in randomized complete block design (RCBD) with five replications. The analysis showed that vegetable amaranth is a rich source of K, Ca, Mg, proteins and dietary fibre with average values among the 43 genotypes (1.014%, 2.476%, 2.984, 1.258% and 7.81%, respectively). Six genotypes (VA13, VA

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Sumanth, B. T., Shivanand V. Hongal, Lakshmidevamma, T. N., Shivanand Koti, Chandrashekar Ningappa Hanchinamani, and Sadananda, G. K. "Genetic Variability Studies of Vegetable Amaranth (Amaranthus spp.) for Productivity Traits." Journal of Experimental Agriculture International 46, no. 4 (2024): 76–88. http://dx.doi.org/10.9734/jeai/2024/v46i42342.

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Aims: In the present investigation 60 different genotypes of vegetable amaranth were analysed for genetic variability in productivity traits and noticeable range of variability were reported in herbage yield and quality. Study Design: The layout of experimental plot was prepared according to augmented block design II (Federer, 1956). Place and Duration of Study: The experiment was conducted in Department of Vegetable Science, College of Horticulture, Bengaluru, UHS, Bagalkot, Karnataka during summer i.e., from January 2020 to March, 2022. Methodology: The experiment consisted

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Lindley, Jennifer J., Katherine M. Jennings, David W. Monks, et al. "Effect of bicyclopyrone herbicide on sweetpotato and Palmer amaranth (Amaranthus palmeri)." Weed Technology 34, no. 4 (2020): 552–59. http://dx.doi.org/10.1017/wet.2020.13.

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AbstractManagement options are needed to limit sweetpotato yield loss due to weeds. Greenhouse studies were conducted in 2018 in Greensboro, NC, and in the field from 2016 to 2018 in Clinton, NC, to evaluate the effect of bicyclopyrone on sweetpotato and Palmer amaranth (field only). In greenhouse studies, Covington and NC04-531 clones were treated with bicyclopyrone (0, 25, 50, 100, or 150 g ai ha−1) either preplant (PP; i.e., immediately before transplanting) or post-transplant (PT; i.e., on the same day after transplanting). Sweetpotato plant injury and stunting increased, and vine length a

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Vorsah, Roger V., Beatrice N. Dingha, Sudan Gyawaly, et al. "Organic Mulch Increases Insect Herbivory by the Flea Beetle Species, Disonycha glabrata, on Amaranthus spp." Insects 11, no. 3 (2020): 162. http://dx.doi.org/10.3390/insects11030162.

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Amaranth (Amaranthus spp.) is an increasingly high-valued niche vegetable crop among small organic growers in North Carolina, due to its increasing demand among diverse immigrant groups. Production is however hampered by insect pests such as the flea beetle (FB), Disonycha glabrata (Coleoptera: Chrysomelidae), that cause significant yield reduction. Chemical insecticides are generally applied for pest control despite their known risks to health and the environment. Integrated pest management (IPM), which is a cost effective and environmentally friendly approach is still under-exploited in vege

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T. N., Dhanalakshmi, Madhusudan K., Ramesh S., Mohan Rao A., Srinivas Reddy K M., and Anand S. R. "Unveiling Genetic Diversity in Grain Amaranth through K-Means Clustering and Principal Component Analysis." International Journal of Plant & Soil Science 36, no. 10 (2024): 611–20. http://dx.doi.org/10.9734/ijpss/2024/v36i105111.

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Grain amaranth (Amaranthus spp.) is a highly versatile and nutrient-dense pseudo-cereal that has gained increasing importance in global food systems. Developing diverse varieties and hybrids of grain amaranth (Amaranthus spp.) is essential for harnessing its full potential as a climate-resilient and nutritionally rich crop. Germplasm studies provide a comprehensive understanding of the genetic diversity within amaranth, facilitating the breeding of improved cultivars that combine desirable traits such as higher yield, enhanced nutritional content, and increased tolerance to biotic and abiotic

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Jacques, Ouedraogo, Kiébré Zakaria, Sawadogo Pingawindé, Kabré Vonogo Nikodème, Kiébré Mariam, and Bationo Kando Pauline. "Estimates of Genetic Variability in a Collection of Amaranths (Amaranthus ssp) Cultivated in Burkina Faso." European Scientific Journal, ESJ 18, no. 27 (2022): 165. http://dx.doi.org/10.19044/esj.2022.v18n27p165.

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In Burkina Faso, little information is available on morphological variability of amaranth and the association of different genetic traits. This has been a constraint to its genetic improvement for yield potential, whereby the necessity of this study which aimed at assessing 80 accessions of amaranth collected in the three agro-climatic zones of Burkina Faso. The study was conducted in 2019 during the rainy season. The experimental design was a Randomized complete block design (RCBD) with three replicates. A total of 12 quantitative descriptors related to the vegetative system, flowering cycle,

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Hasan, M., CA Akther, and MS Raihan. "Genetic Variability, Correlation and Path Analysis in Stem Amaranth (Amaranthus tricolor L.) Genotypes." Agriculturists 11, no. 1 (2013): 1–7. http://dx.doi.org/10.3329/agric.v11i1.15235.

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Seventeen genotypes of stem amaranth (Amaranthus tricolor L.) were evaluated to determine the genetic variability, degree of association between yield and its component characters. The direct and indirect effects of marketable yield were also evaluated. High heritability with high genetic advance as percent of mean was registered for number of leaf, leaf weight and marketable yield which in fact demonstrated the presence of additive gene effects. The correlation studies revealed strong positive association of yield with leaf weight, stem weight, stem diameter, dry weight with rind, and dry wei

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Baker, A.T, M.B Makanjuola, S.I Salman, A.A Haruna, Collins U. Chukwu, and O. Ilevbaoje. "Yield, water use efficiency and Harvest Index of Amaranthus cruentus grown under micro-sprinkler Irrigation system." Journal of Scientific and Engineering Research 9, no. 3 (2022): 32–45. https://doi.org/10.5281/zenodo.10513471.

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<strong>Abstract </strong>The yield, water use efficiency and harvest index of Amaranthus cruentus grown under microsprinkler irrigation system were investigated. The specific objectives of the work were: to determine the growth and yield of Amaranthus cruentus under micro-sprinkler irrigation systems, to determine the water use pattern of Amaranthus cruentus grown using sprinkler irrigation systems and to evaluate the Harvest index of Amaranthus cruentus at the different crop growth stages. This project report discovered that adequate soil water will enhance a better crop production during th

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Bertucci, Matthew B., Katherine M. Jennings, David W. Monks, Jonathan R. Schultheis, Frank J. Louws, and David L. Jordan. "Interference of Palmer amaranth (Amaranthus palmeri) Density in Grafted and Nongrafted Watermelon." Weed Science 67, no. 2 (2018): 229–38. http://dx.doi.org/10.1017/wsc.2018.77.

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AbstractWatermelon [Citrullus lanatus(Thunb.) Matsum & Nakai] grafting is commonly used for management of diseases caused by soilborne pathogens; however, little research exists describing the effect of grafting on the weed-competitive ability of watermelon. Field experiments determined the response in yield, fruit number, and fruit quality of grafted and nongrafted watermelon exposed to increasing densities of Palmer amaranth (Amaranthus palmeriS. Watson). Grafting treatments included ‘Exclamation’ triploid (seedless) watermelon grafted on two interspecific hybrid squash rootstocks ‘Carni

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AdeOluwa, O. O., and O. Cofie. "Urine as an alternative fertilizer in agriculture: Effects in amaranths (Amaranthus caudatus) production." Renewable Agriculture and Food Systems 27, no. 4 (2012): 287–94. http://dx.doi.org/10.1017/s1742170511000512.

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AbstractCrop production in most developing countries is faced with a dearth of resources for optimum production of which fertilizer is one. The use of human urine as well as its mixture with compost are potential solutions to this problem. Thus, this report investigated the influence of human urine and its combination with compost on yield and soil quality of land under green amaranths (Amaranthus caudatus). This study involved a field experiment to determine the response of green amaranths to the application of 100% urine, 2/3 urine N + 1/3 compost N, 100% compost N, NPK (15:15:15) at the rat

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Loux, Mark M., Anthony F. Dobbels, Kevin W. Bradley, et al. "Influence of Cover Crops on Management of Amaranthus Species in Glyphosate- and Glufosinate-Resistant Soybean." Weed Technology 31, no. 4 (2017): 487–95. http://dx.doi.org/10.1017/wet.2017.30.

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A field study was conducted for the 2014 and 2015 growing season in Arkansas, Indiana, Illinois, Missouri, Ohio, and Tennessee to determine the effect of cereal rye and either oats, radish, or annual ryegrass on the control of Amaranthus spp. when integrated with comprehensive herbicide programs in glyphosate-resistant and glufosinate-resistant soybean. Amaranthus species included redroot pigweed, waterhemp, and Palmer amaranth. The two herbicide programs included were: a PRE residual herbicide followed by POST application of foliar and residual herbicide (PRE/POST); or PRE residual herbicide

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Farintosh, Geoff, Rachel Riddle, and Rene Van Acker. "Growth and vegetable yield of Amaranthus hybridus L. as impacted by harvest methods in southern Ontario, Canada." Canadian Journal of Plant Science 100, no. 4 (2020): 365–71. http://dx.doi.org/10.1139/cjps-2019-0106.

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Amaranthus hybridus L. is a nutritious leafy vegetable amaranth species grown primarily in tropical regions. Weedy amaranth species thriving in southern Ontario suggest the edible biotype could also grow efficiently as a crop. Field trials in Guelph, Simcoe, and Stouffville, Ontario, examined yield in response to three harvest frequencies (weekly, every 2 wk, and every 3 wk) cut at 15 cm above ground level, using two traditional harvest practices (Afro-Caribbean and European) cut every 2 wk, and a control which was not cut until the final harvest. The highest marketable yields and quality meas

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R. Birari, Tushar, Shubhangi Patil, H. C. Badgujar, and S. S. Patil. "Influence of Urea Sprays on Growth and Yield of Herbage Amaranthus (Amaranthus spp)." International Journal of Current Microbiology and Applied Sciences 11, no. 12 (2022): 191–94. http://dx.doi.org/10.20546/ijcmas.2022.1112.019.

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The field experiment was conducted to evaluated varietal response of urea foliar sprays on growth and yield of leafy amaranthus, there were two varieties (Cv.Suvarna and Cv.Phule Kartiki) with three concentration of urea sprayings along with water spray and control. Thus in all ten treatment combinations were replicated thrice in FRBD in winter season at Oilseeds Research Station, Jalgaon of Maharashtra State. Among the varieties studied, maximum yield of 148.93 q/ha was recorded by Cv.Suvarna than the Cv.Phule Kartiki (124.35q). Among the urea spraying treatments, the treatment of spraying 0.

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