EFFECT OF PRE-SOWING SEED TREATMENTS AND SOWING DATES ON YIELD AND QUALITY OF GREENGRAM SEEDS IN SUMMER AND KHARIF SEASON

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dc.contributor.advisorBarua, Purna K.
dc.contributor.authorDevi, Krishna
dc.date.accessioned2023-03-18T10:04:42Z
dc.date.available2023-03-18T10:04:42Z
dc.date.issued2017-07
dc.description.abstractGreengram (Vigna radiata (L.) Wilczek) is an important pulse crop of India. A study was conducted in 2016 in the laboratory and experimental farm of the Department of Plant Breeding and Genetics, Assam Agricultural University, Jorhat to evaluate the effect of pre-sowing seed treatments and sowing dates on yield and quality of greengram seeds in summer and kharif season. Ten different seed treatments namely water soaking for overnight, MnSO4 100 ppm, neem extract 1%, GA3 @ 5 ppm, KCl 1%, linseed oil @ 10 ml per kg of seed, rhizobium, neem+rhizobium, linseed oil+ rhizobium, trichoderma, were used along with a control. In laboratory experiment before sowing highest germination percent, lowest hard seed, highest seedling length, highest vigour index and highest seedling dry weight were observed in gibberellic acid treated seed, while neem treated seed showed lowest dead seed and KCl treated seed showed lowest fresh ungerminated seed. In laboratory experiment summer season was better than kharif for all the seed traits except for fresh ungerminated seed which was not affected by season. In field experiment gibberellic acid treated seed outperformed then other treatments showing highest seedling emergence and highest shoot and root length at 20 DAS, lowest days to 50% flowering and maturity, highest raw and graded seed yield, highest pure live seed, highest hundred seed weight. Untreated control performed very poorly followed by linseed oil coated seed. Most of the characters studied were found to be unaffected by season except for raw and graded seed yield as well as hundred seed weight for which summer crop performed better than kharif. In laboratory experiment after harvest highest germination percentage, seedling length, seed vigour index, seedling dry weight and lowest hard seed and fresh ungerminated seed was found in gibberellic acid treated seed. Summer season was better than kharif for seed yield and quality. Pre-sowing seed treatment considerably enhanced seed yield and quality where priming with 5 ppm gibberellic acid outperformed all other treatments.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810195453
dc.language.isoEnglishen_US
dc.publisherAAU, Jorhaten_US
dc.subPlant Breedingen_US
dc.themeEFFECT OF PRE-SOWING SEED TREATMENTS AND SOWING DATES ON YIELD AND QUALITY OF GREENGRAM SEEDS IN SUMMER AND KHARIF SEASONen_US
dc.these.typeM.Scen_US
dc.titleEFFECT OF PRE-SOWING SEED TREATMENTS AND SOWING DATES ON YIELD AND QUALITY OF GREENGRAM SEEDS IN SUMMER AND KHARIF SEASONen_US
dc.typeThesisen_US
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