Estimation of combining ability and gene action for yield and its contributing traits in okra [Abelmoschus esculentus (L.) Moench]

Abstract

The estimates of ó2 gca / ó2 sca indicated predominance of
non-additive gene action for most of the characters during
both the years. EC169400 and IC117351 were identified as
consistent best general combiner for fruit yield and other
components. Over the both years consistently, cross
combinations viz., IC117245 × VRO 6 for fruit yield per plant,
IC117245 × VRO 6, IC117351 × Arka Anamika and EC16400 ×
Arka Anamika for number of fruits per plant, EC169430 ×
Parbhani Kranti and EC169408 × Arka Anamika for plant
height, EC169435 × Parbhani Kranti for 100 seed weight,
IC093655 × Arka Anamika for number of seeds per fruit,
EC169430 × Parbhani Kranti for primary branches per plant,
IC093655 × Parbhani Kranti for inter-nodal length, EC169435
× Arka Anamika for fruit length showed specific combining
ability effects of higher order. These crosses have been
identified as best hybrids for improving fruit yield per plant
and could be further evaluated to confirm their stable
superior performance.