Genotype x environment interactions and stability analysis in pearl millet [<em>Pennisetum glaucum </em>(L.) R. Br.]

Abstract

An experiment was conducted on eighteen hybrids of Pearl Millet (Pennisetum glaucum L.) over three artificial created environments by providing different levels of fertilizers, during kharif2018 in RBD with three replications to estimate genotype x environment interaction. The environment indices of each character had wide difference for grain yield ranging from -2.85 in environment-III to 1.76 in environment-I as well as for other characters. The hybrids chosen widely varied in their mean grain yield, ranging from 23.17 (MARU-TEJ) to 30.73 (KBH-108). The highest yielding hybrid were MPMH-17, HHB-197 and RHB-177. Mean grain yield was linearly influenced by the environments it was lowest in the environment-III. Hybrids HHB-197 and MPMH-17 were found relatively stable for grain yield. HybridsRHB-223, HHB-299 and 9001 have below average stability for grain yield and suitable for better environmental conditions. HybridsRHB-233, HHB-67, GHB-744 and 9450 have above average stability for grain yield and suitable for poor environmental conditions.