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建立“三圃”,即单株选择圃,株(穗)系比较圃,原种圃,是水稻品种提纯复壮的有效措施,也是实现水稻种子标准化的一个重要措施。根据我场繁育水稻原种的实践,在三圃制的操作过程中需要注意以下问题:三圃间的相互关系
It is an effective measure to purify and rejuvenate rice varieties. It is also an important measure to standardize the rice seeds. According to my field of rice breeding practice, in the operation of the three-nu system should pay attention to the following questions: the relationship between the three nursery