【摘要】 中国迈向 2 1世纪的农作物种子生产程序和种子类别的确立 ,应遵循以育种者种子为种源基础 ,运用重复繁殖技术路线 ,对种子进行限代繁殖等原则 ,以适合中国种子现代化特点 ,并与国际先进技术接轨。建议采用育种者种子→原原种→原种→良种四级程序。并逐步建立以“株系循环法”技术为基础的保种圃和“低温低湿库”双重保种制度更多还原

【Abstract】 When stepping into 21st century in China. Crop seed production procedures and seed classification are based on breeder’s seed as seed source follows applying reproductions in a degrees so that it has the character of modernization in China and meets the international advanced technics. It is suggested applying 4 stage procedures of Breeder’s Seed→Foundation Seed→Registered Seed →Certified Seed. Step by step, establishing protection nursery based on technique of ’plant line cycle method’ and double protection system based on low temperature and low humidity stores.更多还原