ارزيابي ارقام برنج در تيمارهاي مختلف آبياري بر اساس شاخص هاي تحمل و حساسيت

Evaluation of rice cultivars in different irrigation treatment based on sensitive and tolerance indices

In order to evaluation rice cultivars in different irrigation treatment based on sensitive and tolerance indices in rice , an experiment was conducted as split plot based on Randomized Completed Block Design with three replications at Rice Research Institute of Iran. Main factors were included of five irrigation levels: flooded irrigation (normal treatment), irrigation after banishment, five, eight and eleven interval irrigation (stress treatments) and sub main factors were included three verities: Bhar, Dorfak and Ali kazemi. Mean of yield and panicle number of plant showed that Bahar is the most tolerant variety because of its the most panicle number in plant. Data showed highest HM, STI, GMP and MP indices and least SSI and TOL for all traits and irrigation levels for Bahar. The result of this research showed that for selection of the best Iranian rice variety and determination of best irrigation management based on yield can use these tolerant and sensitive indices in different irrigation position.