采取由科研育种单位建立“三圃”田、原种田繁育原原种、原种,或由育种家种子直接繁育原种,由具备种子生产资格的单位建立小麦专业化种子生产基地,扩繁良种销售给农户,按照这个繁育体系生产的小麦种子就能有效地保证种子纯度。 Take scientific research and breeding units to establish “three nursery” field, the original farming breeding of the original species, original species, or breeders seed breeding directly from the seed with the production of qualified units to establish specialized wheat seed production base, expansion The variety is sold to farmers, and the seed purity can be effectively guaranteed according to the wheat seeds produced by this breeding system.