Department of Crop Physiology, N.D. University of Agriculture and Technology, Narendranagar, Kumarganj, Faizabad (U.P.)
2Oil Seed Breeder, Department of Genetics and Plant Breeding, N.D. University of Agriculture and Technology. Faizabad.
3N.D.U.A.T., Faizabad.
The physiological analysis of yield constraints in fifteen varieties of Indian mustard was made. Results indicate wide variability amongst mustard genotypes for various physiological attributes. Correlation coefficient values between LAI and grain yield revealed that LAI at 60 and 90 days of growth is directly correlated to seed yield (r=0.76 and r=0.89). Number of primary, secondary and tertiary branches and length of main raceme showed positive correlation with grain yield.