Studies on crop growing environment of mustard (Brassica juncea L.) varieties of eastern plain zone

Abstract

A field experiment was conducted during rabi season of 2018-19 entitled “Studies on crop growing environment of mustard (Brassica juncea L.) varieties of Eastern Plain Zone” at Agromet Research Farm of Narendra Deva University of Agriculture & Technology, Narendra Nagar (Kumarganj), Ayodhya (U.P.).The experiment was conducted in spilt plot design which consisted of nine treatment combinations comprised of three crop growing environments viz. Oct. 20th, Oct. 30th and Nov. 9th and three varieties viz. Varuna, NDR-8501 and Kranti. Results reveal that higher dry matter accumulation was recorded in crop growing environment Oct. 20th which was at par with crop growing environment Oct. 30th while significant over crop growing environment Nov. 9th. Among the varieties, higher dry matter accumulation was recorded in Varuna variety which was at par with NDR-8501 while significant over Kranti variety recorded lowest dry matter accumulation at all the growth stages. Maximum thermal sensitivity Index from sowing to maturity was recorded in Varuna variety while minimum thermal sensitivity index was obtained in Kranti variety from sowing to maturity of Indian mustard. Higher GDD was recorded in crop growing environment Oct. 20th followed by crop growing environment Oct. 30th and crop growing environment Nov. 9th. Among the varieties, higher GDD was recorded under Varuna followed by NDR-8501 at all the stages of Indian mustard.