Ecology, Environment and Conservation Paper

Vol 21, Issue 2, 2015; Page No.(807-811)

UV IRRADIATION EFFECTS ON SEED QUALITY AND STORABILITY OF CHICKPEA GENOTYPES

S.N. Vasudevan, Rajarajeshwari, Vijayakumar, A. Amaregouda and S.R. Doddagoudar

Abstract

A laboratory experiment was conducted to study the effect of seed UV irradiation on storability of three chickpea genotype with six treatments of irradiation at the Department of Seed Science and Technology, College of Agriculture, UAS, Raichur. After ten months storage the genotypes Annigeri- 1(G1) recorded higher germination, dehydrogenase activity and low electrolyte leakage throughout the storage period and it satisfied minimum seed certification standard of 85 % even after the end of ten months of storage period. JG-11 (G3) recorded highest seed vigour parameters followed by ICCC-37 (G2) and JG-11 (G1) throughout the storage period. Among irradiation treatments T3 (T2 + 30 minute exposure to UV-irradiation) recorded highest quality parameters followed by T4 (T2 + 60 minute exposure to UV-irradiation) whereas, T6 (T2 + 120 minute exposure to UV-irradiation) showed lowest for all these characters compared to control. Irrespective of the genotypes and irradiation treatment all the quality parameter decreased with increase in storage period. Storability of chickpea genotypes were highest in the treatment which exposed to irradiation for shorter period.

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