水稻粒形性状包含粒长、粒宽、粒厚和长宽比， 是一类影响水稻产量和品质的重要性状。
Rice grain shape including grain length, grain width, grain thickness, and grain length-to-width ratio is a major character affecting rice yield and quality.
通过粒形因子和胚乳性状的选择，可以育成米粒清澈透亮又可为人们所喜爱的食味品质的杂交稻组合。
The hybrid rice combination with good quality could be bred through the selection of grain shape factors and endosperm properties.
结果表明：广义遗传力较高的性状有直链淀粉含量、粒形、粒长、垩白米率、糙米率和精米率。
Results showed that the characters with high heritability are amylose content, seed shape, seed longness, chalkiness rate, brown rice rate and milled rice rate.
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