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粒重是籽粒生长持续期和籽粒生长速率共同作用的结果.胚乳或子叶的细胞数目是制约粒重的主要因素,其又与籽粒生长速率密切相关。这些因素的相互作用和相互影响决定了作物的粒重.
The grain weight is the result of the combination of the duration of grain growth and the grain growth rate.The number of endosperm or cotyledon cells is the main factor controlling the grain weight, which in turn is closely related to the grain growth rate. The interaction and interaction of these factors determine the grain weight of the crop.