Abstract
The present investigation was carried out with ten Indian mustard genotypes in biochemistry laboratory of ICAR-DRMR, Bharatpur, during 2021-22. Analysis of oil, fatty acid profiling and estimation of glucosinolate was done to study the inter-relationship and path coefficient analysis between seed yield and among all nine qualitative traits taken. It is found that the genotypic correlation was higher than phenotypic correlation due to genetic effect. The positive correlation of seed yield/plant is associated at both phenotypic and genotypic levels with palmitic acid, linoleic acid, oleic acid, stearic acid and linolenic acid whereas negatively associated with glucosinolate, erucic acid and eicosenoic acid. Oleic acid was positively correlated with linoleic acid. Path coefficient analysis studies revealed that the high positive direct effect on seed yield/plant was exhibited by linoleic acid, linolenic acid and stearic acid while negative direct effect by erucic acid, glucosinolate, oil and eicosenoic acid on seed yield/plant. Selection of the plants based on these traits would certainly leads to improvement in seed yield.
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