Study on endosperm, cytoplasmic and maternal plant genetic effects and genetic correlations for nutrient quality traits in indica rice

摘要

Nine cytoplasmic male sterile lines (Zhexie 2 A, Xieqingzao A, Zhenan 3 A, Gangzaoyang 1 A, Yinzaoyang 1 A, Erjiuqing A, V_(20) A, Zuo 5 A, Zhenshan 97 A), and five restorer lines (T49, Cezao 2-2, 26715, 102, 1391) of indica rice were used to analyzegenetic effects of cytoplasm and maternal plant for nutrient quality traits of milled rice by using the genetic model for quantitative traits of endosperm in cereal crops (Zhu 1992; Zhu and Weir 1994) in an incomplete diallel cross (9 X 5). In this model, it is assumed that the total genetic effect on an endosperm can be partitioned as endosperm direct additive and dominance effects, cytoplasmic effect, and maternal plant additive and dominance effects.