用粒形判别对古栽培稻属性的研究

Study of Ancient Rice by Using Characters of Rice Grain

通过多元逐步判别分析方法 ,对普通野稻、籼稻和粳稻的已知的粒长、粒宽、粒厚、长 /宽比和粒重共5个性状变量进行分析 ,分别获得上述 3组稻总体的粒形判别函数 ,经回报检验 ,精确度达 92 .3%～ 93.3%。

Using the method of multivariate statistical analysis,the characters of grain length(L),width(W),thickness,L/W and weight of the wild rice,indica and japonica were studied and 3 formulas of grain shape that had the ratio of accuracy of 92.3%～93.3% were established respectively.The ancient rice were distinguished well by using the formulas.