Author(s):

S Suganthi

Abstract: Six parents and their 30 hybrids were involved in a diallel mating design to estimate various genetic parameters in sesame. The traits like plant height at maturity, number of capsules per plant, number of seeds per capsule and seed yield per plant showed additive gene action. Pedigree selection is an appropriate method to improve these characters. Over dominance was observed for number of branches per plant, number of capsules per plant, 1000 seed weight and seed yield per plant. Negative F value was observed for days to 50 percent flowering and number of capsules per plant indicating the recessive genes were more frequent than dominant genes in the manifestation of these traits.

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