Analysis of seed, cytoplasmic, and maternal genetic effects on rice quality traits

摘要

We analyzed the genetic effects of seeds, cytoplasm, and the maternal plant on milling quality traits of rice by using the genetic model for quantitative traits of endosperm in cereal crops. Nine cytoplasmic male sterile (CMS) lines and five restorerlines of indica rice were used in an incomplete diallel cross (9 x 5) during the 1994 early season. Seeds of parents and F_1s were sown on 28 Mar in the field at ZAU and single plants were transplanted on 29 Apr at 20- × 20-cm spacing, with 24 plants per plot and three replications. Seed samples of parents or F_1s were taken at maturity from eight plants in the middle of the plot. Quantitative traits were measured for each sample of parents, F_1, and F_2s, using three replications.