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Research Article Open access CC BY 4.0

Heterosis for Enhanced Shelf Life and Earliness in Onions (Allium cepa L.) Genotypes

A. A. Gulumbe, L. Abubakar, B. M. Sokot`o, A. A. Aliero

Asian Research Journal of Agriculture · pp. 1–9 · Published 6 Oct 2018

10.9734/ARJA/2018/33865

Abstract

Thirty-seven Onion (Allium cepa L.) genotypes comprising of twelve parents (12) and twenty-five hybrids were evaluated for enhanced storage shelf life and early maturity at the Fadama Teaching and Research farm of the Department of Crop Science, Usmanu Danfodiyo University Sokoto during the 2015/2016 dry season. The objective of the research was to determine superior hybrids that can be stored as well as those that matures early. The treatments were laid out in a Randomized Complete Block Design (RCBD) with three replications. After harvesting, the genotypes were stored for five months under farmers practice. The analysis of the results indicated significant (P < 0.05) difference between the genotypes with respect to plant height, number of leaves per plant, leaf area, leaf area index, percentage bolting, days to maturity, bulb diameter, bulb height, average bulb weight, fresh bulb yield, cured bulb yield, yield and percentage loss after five months of storage.   Cross B × K had the tallest plants (57.73 cm), B × E had the highest number of leaves/plant of 17, B × K had the broadest leaf area of 166.5 cm2, B × E recorded the highest leaf area index of 4.704, H × L recorded highest bolting percentage of 69.45%, E × F recorded lowest number of days to maturity of 91 days, E × F recorded broadest bulb diameter of 8.75 cm, D × H recorded tallest bulb height of 7.2 cm, B × E had the highest average bulb weight, fresh bulb yield and cured bulb yield of 0.282 kg, 47 t/ha, and 46.11 t/ha respectively. Cross C × E had the least percentage loss of 23.60%, while E × F had the highest loss of 68.15%. Based on the results obtained. The cross C × E was recommended for storage while B × E was recommended for early maturity.

Hybrid heterosis shelflife genotype

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Cited by 2

ASSESSMENT OF GENETIC DIVERGENCE AND ITS UTILIZATION IN HYBRID DEVELOPMENT IN CULTIVATED ONION (ALLIUM CEPA L.)

R Ahmad, M.K.N. Shah, Mahmood Ul-Hassan · The Journal of Animal and Plant Sciences · 2020

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