alexa Influence Of Planting Time On Seed Yield And Seedling Vigour In Aggregatum Onion Genotypes | 15738
ISSN: 2168-9881

Agrotechnology
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2nd International Conference on Agricultural & Horticultural Sciences

Rohini N, P Paramaguru and L Pugalendhi
Posters: Agrotechnol
DOI: 10.4172/2168-9881.S1.008
Abstract
Onion ( Allium cepa L. var. cepa ) is an important vegetable crop of our country, stands at premier position among the vegetable crops. It is valued for its unique pungency, which is very important character for better storage and processing qualities. Production of quality seeds is an important factor in successful onion cultivation with the growing consciousness about the high yielding varieties among the farmers. Cultivar performance and date of planting plays an important role in the selection of genotypes for yield improvement and adaptation to particular environmental condition. The time of planting is the most important factor in seed set and delayed or early planting adversely affects seed yield of onion. The present experiment was undertaken to study the seasonal influence on flowering and seed set in the identified genotypes of aggregatum Onion at experimental farm of Horticultural College and Research Institute, Coimbatore during 2010-2011 .The experiment was laid out in a Factorial Randomized Block Design with three replications including four different planting seasons viz. , September, October, November and December were evaluated as treatments under factor (A) and three genotypes viz. , Co(on 5), Puttarasal type and Santhaipadugai local as treatments under factor (B). Out of three genotypes, Puttarasal type recorded significantly higher seed yield (807 kg ha -1 ) when transplanted during September season. Seedling vigour characters viz. , germination percentage (92.76 %), root length (7.20 cm), shoot length (8.80 cm), dry matter production (15.82 mg 10 S 2 -1 ) and vigour index (1484.14) were the highest with Puttarasal type when transplanted during September month.
Biography

Rohini N, M.Sc. (Horticulture), presently is a Ph.D. scholar in the Department of Vegetable Crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore. She is presently doing research in Genetic and biochemical studies in chilli Germplasm capsicum annuum var. Annuum.

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