Performance of F2 Rice (Oryza sativa L.) Segregants Derived from a Cross the BPT-5204 / IR-64Drt1 |

The experiment was conducted with F2 plants resulting from a cross between two parents, BPT-5204 and IR-64Drt1. The genotypes that were chosen as parents for crosses were those that were drought tolerant and susceptible. Drought sensitivity was found in BPT-5204, and drought tolerance was found in IR-64Drt1. In this experiment, sufficient variability was discovered for grain yield per plant and its components among 324 segregants tested in normal field conditions using augmented randomised block design II. The analysis of variance for grain yield and its attributing characters among blocks, treatments, entries, checks and checks vs entries revealed presence of significant variation in the segregants studied. However, with respect to checks, non-significant differences were recorded for only L/B ratio. The results indicated that among 324 rice genotypes including checks, only 9 rice genotypes expressed higher yield compared to seven checks varieties under normal field condition. The segregants S-51, S-122, S-135, S-195, S-199, S-210, S-219, S-222, S-251 were top ranking genotypes with respect to all checks.

Please see the link :- https://www.journalijecc.com/index.php/IJECC/article/view/30282