Response of Onion Yield and Quality To Different Planting Date, Methods and Density

Abou-Khadrah, S. H.; Alsayed, Abdul Wahed Abdul Hameed El; Sobhy, Labib; ABDELMASIEH, WILLIAM K. L.

doi:10.21608/agro.2017.1203.1065

Cited by 22 publications

(24 citation statements)

References 12 publications

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“…A higher cost of cultivation was incurred on closer spacing S 1 than S 2 and S 3 due to the higher plant population, which increases the seed rate and the expense to procure seed bulb. This result is in agreement with the findings of Aboukhadrah et al, (2017) and Muthal et al, (2019) in onion.…”

Section: Effect Of Planting Time and Spacing On The Economics Of Multiplier Onion Cultivationsupporting

confidence: 94%

“…A higher percentage of dry matter in bulbs of P 1 may be because of higher leaf area, LAI, and maximum interception of light resulting in the production of more photosynthates (sugars) by leaves, which is translocated to the storage organ (bulb) at maturity. This result is supported by the findings of Aboukhadrah et al, (2017) and Kandil et al, (2013). Interaction of planting time and spacing had no significant effect on dry matter percentage of multiplier onion.…”

Section: Dry Matter (%)supporting

confidence: 84%

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Effect of Different Levels of Planting Time and Spacing on Quality and Economics of Multiplier Onion (Allium cepa L. var. aggregatum Don.) cv. Meitei Tilhou

Poovamma¹,

Devi²,

Singh³

2021

Int.J.Curr.Microbiol.App.Sci

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Multiplier onion (Allium cepa L. var. aggregatum Don.) is also known as Aggregatum onion, potato onion, small onion, underground onion is a biennial herbaceous plant that belongs to the family Alliaceae (Pandey, 2006). Depending on the plant's genetic character, 3-20 bulbs are observed in each plant (Brewster, 2008). It is commonly propagated by small bulbs (bulblets). Multiplier onion has good keeping quality and better tolerance for extreme climatic conditions, pests, and diseases than a common onion (Brewster, 2008). Multiplier onion is grown on a commercial scale for internal consumption and export purpose in countries like

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Section: Effect Of Planting Time and Spacing On The Economics Of Multiplier Onion Cultivationsupporting

confidence: 94%

Section: Dry Matter (%)supporting

confidence: 84%

Effect of Different Levels of Planting Time and Spacing on Quality and Economics of Multiplier Onion (Allium cepa L. var. aggregatum Don.) cv. Meitei Tilhou

Poovamma¹,

Devi²,

Singh³

2021

Int.J.Curr.Microbiol.App.Sci

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“…Liaqat et al (2016), for example, stated that plant density has a major impact on plant height and onion yield, but was not on bulb diameter in Bahawalpur, Pakistan. Another result was reported by Khadrah et al (2017), who studied the impact of plant density on onion bulb yield in Egypt, that lower plant density increased market bulb yield. Optimum plant density, however, may vary among species and varieties.…”

Section: Bulb Yieldmentioning

confidence: 77%

Influence of Plant Density, Compost and Biofertilizer on True Shallot Seed Growth in Alluvial Soil

Sopha

2020

Indones. J. Agric. Sci.

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<p>True shallot seed (<em>Allium cepa var Aggregatum group</em>) is an alternative way of growing shallot. Different environments and cultivars need a specific study. The aim of this research was to find out the best technology to grow Trisula true shallot seed by managing plant densities and applying compost and biofertilizer in alluvial soils. The study was performed from May to October 2015, using a split-plot design with four replications. The main plot was plant density: 100 plants m-2 and 70 plants m-2. Subplots were five fertilizer application combinations, they were 100% recommended dose of NPK (R-NPK), 100% R-NPK + compost, 100% R-NPK + compost + biofertilizer, 50% R-NPK + compost and 50% R-NPK + compost + biofertilizer. Results showed that biomass and bulb yield were significantly affected by plant density and fertilizer application. The reduced 50% R-NPK by substituting with compost and biofertilizer was unable to maintain shallot bulb yield equal to 100% R-NPK, suggesting insufficient nutrients derived from compost to satisfy the shallot requirement. The best technology to grow true shallot seed of Trisula variety was 100 plants m-2 plant density and 100% NPK (consisting of 180 kg N ha-1, 52 kg P ha-1 and 50 kg K ha-1) with 2.5 t ha-1 compost that achieved the highest bulb yield of 9.83 t ha-1 and increased the revenue.</p>

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“…Plant height can also be influenced by planting density, which can promote shading and lead to competition for light and result in taller plants (Aboukhadrah, El-Alsayed, Sobhy, & Abdelmasieh, 2017), as well as by the planting method, where direct sowing produces lower plants than transplanted plants (Ketema, Dessalegn, & Tesfaye, 2018). However, as all genotypes were submitted to the same environmental and management conditions, the genetic characteristics of each may have influenced the result obtained in this study.…”

Section: Resultsmentioning

confidence: 96%

Competition of onion genotypes in the soil and climatic conditions of Guarapuava, State of Paraná

Iastremski

Resende

Camargo³

et al. 2021

Acta Sci. Biol. Sci.

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The use of genotypes more adapted to climatic conditions can contribute to increase the yield of onion producers. The goal of this study was to evaluate the agronomic performance of 15 onion genotypes in the soil and climatic conditions of Guarapuava, state of Paraná. The study was conducted in the experimental area of Horticulture, Cedeteg campus, Universidade Estadual do Centro-Oeste (UNICENTRO), Guarapuava, state of Paraná, Brazil, from July to November 2018. The experimental design used was randomized blocks, with four replications, and the treatments consisted of four commercial cultivars Optima F1, Bella Dura, Sirius F1, Soberana F1 and eleven experimental genotypes N1, N2, N3, N4, N5, N6, N7, N8, N9, AF4241 and AF4243. Biometric characteristics of the plants, production components and early flowering were evaluated. Plants presented between 6 and 9 leaves, in which N1, N3, N4 and N6 had less than 7 leaves, differing statistically from the others. The cultivar Optima F1 and the genotypes N2, N3, N5, N6, N7 and N8 presented the tallest plants, with 66.1 to 76.0 cm. The pseudostem diameter did not differ significantly between genotypes, showing values between 15.2 and 20.4 mm. Total productivity was higher in genotypes N2, N6, N5, N4, N3, N7 with values from 43.6 to 50.3 t ha-1. The highest average bulb mass was found in N2, N4, N6, Sirius F1, Optima F1 and Soberana F1, with 74.2 to 91.1 g bulb-1. Regarding the commercial classification, the genotypes N2, N4, N5, N6 and the cultivars Sirius F1 and Soberana F1 presented more than 50% bulbs of classes 3+3C+4. Early flowering did not occur in any of the analyzed genotypes. The use of cultivars with high productive performance and adapted to climatic conditions, when handled properly, can result in greater yield and quality of bulbs.

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Response of Onion Yield and Quality To Different Planting Date, Methods and Density

Cited by 22 publications

References 12 publications

Effect of Different Levels of Planting Time and Spacing on Quality and Economics of Multiplier Onion (Allium cepa L. var. aggregatum Don.) cv. Meitei Tilhou

Effect of Different Levels of Planting Time and Spacing on Quality and Economics of Multiplier Onion (Allium cepa L. var. aggregatum Don.) cv. Meitei Tilhou

Influence of Plant Density, Compost and Biofertilizer on True Shallot Seed Growth in Alluvial Soil

Competition of onion genotypes in the soil and climatic conditions of Guarapuava, State of Paraná

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