Evaluation of seed quality parameters after the post-harvest of accelerated aged seed of wheat varieties

Abstract

The present investigation on “Evaluation of seed quality parameters of post-harvest aged seed and assess the storability of wheat varieties through accelerated ageing” was conducted at Seed Testing Laboratory department of Seed Science and Technology, VCSG UUHF, College of Forestry, Ranichauri, Tehri Garhwal, Uttarakhand during 2015-16. For this purpose four varieties of wheat viz. VL-802, VL-829, VL-892 and UP-1109 were subjected to accelerated ageing at 450 C and 100% relative humidity for 15, 30 and 45 days along with control. Aged seed from different treatments of each variety were subjected to laboratory experiment after crop harvesting for evaluating first count, standard germination, root length shoot length, fresh and dry root weight. Under the laboratory conditions, every treatment showed significantly difference for seed quality parameters after accelerated ageing. Variety VL-892 had more capable to maintain the seed quality attributes after 15, 30 and 45 days of accelerated ageing period as considered being good storer under ambient condition. Whereas, VL-829 and UP-1109 showed the medium storer and VL-802 poor storer variety on the basis of seed quality and yield parameters. Rapid decline in seed yield contributing characters ware observed in VL-802 whereas, less reduction observed in VL-892.