Response of basmati (Oryza sativa L.) rice varieties to system of rice intensification (SRI) and conventional methods of rice cultivation

Abstract

A field experiment was conducted during kharif, 2011 to find out effect of SRI & conventional rice culture on seed yield & quality of rice. The experiment comprised of 12 treatment combinations of two crop establishment method i.e., system of rice intensification and conventional method and 6 rice varieties (HUR 105, MTU 7029, Pratikshya, Pusa Sugandh 2, Pusa Sugandh 5 and Pusa Sugandh 6). Results revealed that growth (DMA, Plant height), yield attributes (tillers plant-1, No. of filled grains panicles-1, grains panicles-1 and seed yield) of rice increased significantly due to the system of rice intensification (SRI) practices as compared to conventional method. Out of 6 varieties Pusa Sugandh 2 was found significantly superior in growth and yield attributes over other varieties except Pusa Sugandh 5 which was at par in plant height and tillers m-2 and MTU 7029 which had significantly higher yield attributes. In the quality parameter viz. germination % and vigour index was found maximum in system of rice intensification with 25 x 25 cm spacing and 12 days young seedlings.