Grain yield performance of hybrid rice in relation to inbred cultivars in long‐term multi‐environment tests in India

Abstract We analyzed the yield data of 2,070 rice hybrid F 1 genotypes with inbred local cultivars (ILCv) evaluated over 32 yr (from 1988 to 2019) in 2,376 multi‐environment experiments executed at 102 locations irrigated ecosystem across India. The genetic gain or loss estimated test duration was nonsignificant. differences were highly significant between means group yields higher than ILCvs 985 and lower 962 experiments. Hybrids produced 10% more (728–2,588 kg ha –1 ) 672 several locations. Our analyses have established that grain 7.0–7.9 Mg , harvested early‐ (110–120 d), mid‐early‐ (121–130 medium‐ (131–140 d) maturity duration, those medium slender grains (130±5 many 374 out A level ( Oryza sativa L.) productivity per day (62–63 recorded early‐maturing mid‐early‐maturing genotypes. Both (≥10 similar values previously commercial since 1968 attainable records not broken by Hence doubt arises whether there any overestimation an underestimation yields. Therefore, for new developed can be only when produce their previously. There is scope breeders limit represent specific target areas avoid loss.