Performance evaluation of onion (Allium cepa ) genotypes for growth, yield, quality and pest incidence in Dharwad, Karnataka, India
Keywords:
Genotypes, Yield attributes, Bulb quality, Pest incidence, RabiAbstract
The performance of 50 onion (Allium cepa L.) genotypes for growth, yield, bulb quality and pest incidence evaluated during the rabi
2023-24 and 2024-25 at university of Agricultural Sciences, Dharwad, karnataka. Pooled analysis of variance (ANOVA) revealed
significant genotypic differences for all traits in both seasons. High yielding genotypes were NHRDF Red-2 (50.89 tonnes/ha in
2024-25), NHRDF Red-4 (47.72 tonnes/ha) and Bhima Raj (46.42 tonnes/ha). Genotype Telagi-L exhibited desirable thin neck
thickness (0.52 cm), while DOGR-1771 showed high dry matter content (18.42 g). Low pest incidence was observed in NHRDF
Red-4 and NHRDF Red-2 (0.50% and 0% purple blotch, respectively) and Arakera local (0.51 thrips/plant). These findings
highlight superior genotypes for cultivation and potential use in breeding programmes in similar agroclimatic regions.
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