配制玉米杂交种子,在土地承包到户的情况下如何保证种子纯度,是各制种工作者不断探讨的中心问题。我公司经过多年的制种实践,总结出一套“五统、一割”的规范化制种技术措施。 1 五统所谓“五统”,就是对制种的整个管理过程中的五项主要措施实行统一管理。 1.1 统一划隔离区。玉米是异花授粉作物,很容易 How to ensure the purity of seeds under the circumstance that the land is contracted by households to formulate the hybrid seeds of corn is the central issue constantly discussed by the seed-producing workers. After years of my company’s seed production practice, summed up a set of “five systems, a cut,” standardized production technology measures. The so-called “five systems” of a five-nation system mean the unified management of the five major measures in the entire management of seed production. 1.1 unified planning isolated area. Corn is a cross-pollination crop and it’s easy