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对丹232×N04和B尖8×N05两个普×爆组合F6、BC1S4和BC2S4选系的膨爆特性、穗粒和植株性状表现及其相关分析结果表明:2个组合各类选系间所有性状均存在较大差异;普×爆F1与爆裂亲本回交可以较快恢复膨爆特性,同时显著改良穗粒性状;各性状间的相关存在组合和不同选系间的差异,在后代选择过程中应注意协调各类性状间的关系。
The results of the popping, ear-grain and plant traits and their correlation analysis of two general × × × × × combinations of Dan 232 × N04 and B × 8 × N05 were as follows: All the traits showed significant differences. Popcorn F1 and the popularized parent could restore the popping characteristics more quickly and significantly improve the characters of ear grains. The correlation existed between the traits and the differences among the selected lines, The process should pay attention to coordinate the relationship between various traits.