Impact of environmental conditions, seed age and chemical treatments on quality of rice cv. Annnada during storage

Abstract

The study was conducted to elucidate the influence of production environment, seed age and chemical treatments on storability and quality of rice cv. Annada at College of Agriculture, Acharya N. G. Ranga Agricultural University and Indian Institute of Rice Research, Hyderabad (India). In this present investigation, among different environment conditions, the maximum germination (74.12%), dry matter (203.28 mg), seed vigour index I (1897), alpha amylase activity (8.90 mm), dehydrogenase activity (0.213 OD value) and the minimum seed moisture content (11.14%), EC of leachates (1.536dSm-1), seed infection (18.51%) was observed under arid environment (Q2). With respect to the age of seed, the maximum germination (64.08%), dry matter (170.17mg), seed vigour index I (1526), alpha amylase activity (8.21mm), dehydrogenase activity (0.198 OD value) and minimum seed moisture content (11.64%), EC of leachates (1.738dSm-1), seed infection (18.17%) was recorded from freshly harvested seeds (P2). Among treatments, the maximum germination (62.20%), dry matter (163.83mg), seed vigour index I (1483), alpha amylase activity (8.72mm), dehydrogenase activity (0.378 OD value) and minimum seed moisture content (11.14%), EC of leachates (1.757dSm-1), seed infection (16.71%) was recorded in seeds with carbendazim treatment @ 2.0g/kg (T1). Interaction among production environment, seed age and chemical treatments also showed significant difference for quality parameters. This investigation helps in understanding the potential role of production environment, seed age and means to control the seed from deterioration during storage.