The effect of ratio source to sink at fulling head on percentage of head milled rice and chalky rice was investigated via 25 mid-season rice hybrids.

以2 5个杂交中稻组合为材料，研究了品种齐穗期库源结构对稻米整精米率与垩白粒率的影响。

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In terms of various quality characters, most of the cultivars tested were, however, not satisfactory in head milled rice recovery, chalkness ratio, chalkness area and grain shape.

分析“八五”参试品种各项品质性状表现，参试品种品质仍不理想，大多数品种整精米率、垩白率、垩白面积、粒型表现欠佳。

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