Effect of various treatments on seed quality and storability in onion (Allium cepa L.)
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Date
2020-09
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CCSHAU, Hisar
Abstract
The present study was carried out in the Department of Seed Science and Technology, CCS Haryana
Agricultural University, Hisar to find the effect of different fungicide treatments and containers on seed
quality and storability of onion seed. The seeds of onion (variety: Hisar Onion-4) were treated with seven
fungicides and eight plant oils and stored in two containers viz., cloth bag and plastic zipling bag. All the
treatment combinations were evaluated for seed quality attributes viz., germination, shoot length, root
length, seedling dry weight, vigour indices (I and II), electrical conductivity, seed mycoflora and field
parameter viz., emergence index, and seedling establishment. All the treatments results in better
performance as compared to untreated seeds. It was observed that carboxin + thiram (2g kg-1 seed)
treatment was proved better as compared to other fungicides and among the different plant oils, neem oil
(5ml kg-1 seed) treatment performed better than others. Among containers, plastic zipling bag was found
better than cloth bag for onion seeds stored at ambient storage condition. Seed quality attributes declined
with the passage of time in all the containers and treatments. The seed quality attributes i.e. electrical
conductivity and seed mycoflora showed increased values with passage of storage period.