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对双丰单粒一号种子发芽率低的原因及其影响因素进行了探讨．发现非正常种胚、种子成熟度、母根窖腐病及父、母本花期不一致等对其发芽率影响很大。同时指出采取选择单粒种最佳繁育区域、加强米种田栽培技术管理、搞好肥水运筹等方式，可以使单粒种发芽率有较大提高并可通过精加工使其发芽率达到生产要求。
The reason of the low germination rate and the influencing factors of the single seed No.1 of Shuangfeng was discussed. It was found that the germination rate of non-normal embryo, seed maturity, mother pit cellar rot and the inconsistent flowering date of the parent and female parent had a great impact on the germination rate. At the same time, it is pointed out that adopting the method of choosing the best breeding region of single species, strengthening the technical management of rice farming, and improving the management of fertilizer and water can make the germination rate of single species greatly improved and the germination rate can reach the production requirement through finishing.