Growth, bulb yield and quality of onion (Allium cepa L.) as influenced by nitrogen and phosphorus fertilization on vertisol. II: Bulb quality and storability

Tekalign, T.; Abdissa, Y.; Pant, L. M.

doi:10.5897/ajar10.1025

Cited by 34 publications

(16 citation statements)

References 14 publications

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“…These results are in agreement with Bolandnazar et al (2012) and Tekalign et al (2012), who found positive influence of N fertilization on the PUNG concentration, respectively, in the cultivars Azar Shahr and Bombay Red.…”

Section: Resultssupporting

confidence: 92%

Yield and quality of densely cultivated onion cultivars as function of nitrogen fertilization

Gonçalves

Grangeiro

Sousa

et al. 2019

Rev. bras. eng. agríc. ambient.

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Nitrogen exerts a marked influence on the yield and quality of the onion. The present work was developed from June to October 2016, aiming to evaluate the yield and quality of two cultivars of onion under a system densified as a function of nitrogen doses in Mossoró, RN, Brazil. A randomized block design was used in a 2 x 7 factorial scheme, with four repetitions, corresponding to two cultivars (IPA 11 and Rio das Antas) and seven nitrogen doses (0, 45, 90, 135, 180, 225 and 270 kg ha-1 of N), provided by fertigation, with four repetitions. The dose of 92 kg ha-1 of N provides the highest total and marketable yields of bulbs. Nitrogen fertilization increases the concentrations of N, chlorophyll a, b and total in the leaves of the onion, as well as the percentage of bulbs of classes 3 and 4 and the pungency, reducing the percentage of bulbs of class 2 and non-commercial. The doses of 108 and 82 kg ha-1 of N provide the highest rates of return for ‘IPA 11’ (R$ 2.07) and ‘Rio das Antas’ (R$ 2.41), respectively.

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Section: Resultssupporting

confidence: 92%

Yield and quality of densely cultivated onion cultivars as function of nitrogen fertilization

Gonçalves

Grangeiro

Sousa

et al. 2019

Rev. bras. eng. agríc. ambient.

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“…Nitrogen fertilizers improve plant vigor, water utilization, number of seeds, size of leaves and stems, number of roots 55 . It is well documented that the application of nitrogen fertilizer increases the bulb yield of onion and garlic significantly 18,56,97,98 .…”

Section: Resultsmentioning

confidence: 99%

“…Both plants were amongst the earliest to be cultivated 1. The cultivation practices for AC and AS are well documented 18,19,94 but the emphasis has been on plant growth and yield rather than bioactive constituents and related biological activities. Studies show that abiotic and biotic factors influence not only plant growth but also the nature and amount of phytoconstituents present in plants 20 .…”

mentioning

confidence: 99%

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2022

IJPSR

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Environmental factors influence plant growth, morphology, as well as nature and quantity of secondary metabolites. Modification of abiotic factors during plant growth can impact the production of bioactive phytoconstituents. A six-month field study was carried out to assess the effect of different abiotic stresses on bioactive compounds (flavonoids, phenols, quercetin), acetylcholine sterase (AChE) inhibition and antioxidant capacity of two selected Allium species i.e. Allium cepa L. (AC) & Allium sativum L. (AS; family Amaryllidaceae). AC and AS plants were grown for six months (from November 2018 to April 2019) on three different soil types (i.e. black, red, clay-loamy) and various stresses (salinity, water deprivation, flooding, fertilizer, metal, shade) were applied on the plants. At the end of the season, plants were collected, dried and plant yield was determined. Hydro alcoholic extracts of all samples were prepared. Extract yield, total flavonoids (TFC), total phenols (TPC), AChE inhibition, and antioxidant activity were determined in all the extracts. The results show the varied response of AC & AS plants to different soil types and stresses. AS plants grown in red soil with salt stress and AC plants on red soil with fertilization give higher biomass yield. AC plants grown in black soil and AS in red soil under metal stress have the highest TFC, TPC, AChE inhibition, and antioxidant activity. Hence these conditions may be recommended for incorporation in cultivation practices of these valuable medicinal plants. This would ensure a commercial supply of plants with higher phenol and flavonoid content and better activity. INTRODUCTION: Onions Allium cepa L. (AC) and garlic Allium sativum L. (AS) are highly valued members of the genus Allium (Family Amaryllidaceae) 1 . AC and AS are considered imperative dietary components due to their unique QUICK RESPONSE CODE

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“…Source: Author growth unlike Ng'elechom with gleyic acrisols soils consisting of unconsolidated sand deposits. Cambisols soils contain high content of clay (Abdissa et al, 2011) while acrisol type of soil has very low inherent chemical fertility and water holding capacity (Pardo et al, 2003).…”

Section: The Effects Of Location and Season On Growth And Yield Of Se...mentioning

confidence: 99%

Adopting a three-strata forage system for an integral food, feed outputs and agro-ecological sustenance

Dorine,

Erick,

Samuel

et al. 2023

Afr. J. Agric. Res.

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The exploitation of diverse cropping practices alongside residue incorporation has remained low among small-holder rural farming households in Sub-Saharan Africa. Three-stratum forage system (TSFS) which integrates forages for animal feeds with food crops is a significant sustainable strategy for enhancing residue incorporation. This study was conducted in Busia County in Kenya to; (i) determine the effects of TSFS on yield of diversified food crops grown (ii) to determine the effect of TSFS on growth and physiological responses in food crops grown. In TSFS system, desmodium, brachiaria grass and pigeon peas were grown in the peripheral area of the farm as forages. The treatments were laid on a randomized complete block design at two locations for 3 years (2019, 2020 and 2021), yield in t ha -1 , growth and physiological responses in plants measured. The data collected were subjected to Analysis of variance (ANOVA) in SAS software and means separated using LSD at 5% level of significance. Plant growth vigor, physiological responses and yield in t ha -1 were significantly higher in TSFS system where residues were incorporated than in no TSFS system (P<0.001). The results revealed that TSFS cropping system could be a better solution to food security and agro-ecological sustenance.

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Growth, bulb yield and quality of onion (Allium cepa L.) as influenced by nitrogen and phosphorus fertilization on vertisol. II: Bulb quality and storability

Cited by 34 publications

References 14 publications

Yield and quality of densely cultivated onion cultivars as function of nitrogen fertilization

Yield and quality of densely cultivated onion cultivars as function of nitrogen fertilization

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Adopting a three-strata forage system for an integral food, feed outputs and agro-ecological sustenance

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