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通过对比试验，初步探明晚杂优同优22茎蘖消长、产量构成、干物质生产以及籽粒灌浆的特性。单位面积上总粒数多及生育后期有较强的物质生产能力是其比汕优63具有产量优势的主要原因。同时讨论了品种产量和库容量及干物质生产量之间的关系。
Through comparative experiments, the characteristics of late hybrids with the same superior 22 tillering growth and decline, yield components, dry matter production and grain filling were preliminary ascertained. The total number of grains per unit area and the late growth of a strong material production capacity than the Shanyou 63 has the main yield advantage. The relationship between yield and volume of storage and dry matter production was also discussed.