Evaluation and computing study of crop phenology and agrometeorological indices i.e. GDD, HTU and other growth parameters

The present investigation entitled “Effect of foliar application of PGRs on growth, yield and yield attributes of rice (Oryza sativa L.) under salt stress condition’’ was conducted during the kharif season in 2016 at the MES Farm of Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad. The experiment was setup in randomized block design (Factorial) with three replications and seven treatments on rice varieties CSR-36 and CSR-43 under salt stress condition. The GA3 (100, 150 and 200ppm) and salicylic acid (100, 150 and 200ppm) were applied as foliar application at 15 DAT. Growth, yield and yield attributes were taken after crop harvest. All PGRs showed superior value in all the stages of crop with respect to control. Growth parameters viz. plant height, number of tillers hill-1 and dry biomass plant‑1. Yield and yield attributing traits viz, length of panicles (cm), number of panicle hill-1, number grains panicle-1, grain yield plant-1, grain yield q ha-1, test weight (g) and harvest index (%), were found superior with foliar application of GA3 200ppm followed by SA 200ppm. Rice variety CSR-43 performed better than CSR-36 in all respects.