Vol. 9, Issue 9 (2020)

Author(s):
Pallavi and Alankar Singh

Abstract:
Generation Mean Analysis was carried out using six basic generations in 2 different crosses of cowpea for micronutrients i.e. iron and zinc to determine suitable breeding methods. Considering results of gene action, it is apparent that either of the family were found under the control of both fixable (additive, additive x additive) and non-fixable (dominance and epistatic) gene effects coupled with duplicate type of epistasis. Therefore, selection programme aiming to improve such traits in a population should accumulate the fixable additive genes first in early generations. Simultaneously breeding method like modified recurrent selection i.e., alternating pedigree and recurrent selection cycle, diallel selective mating system may be tried for the effective and efficient exploitation non-fixable gene effects.