摘要： 玉米种子纯度达不到国家标准是由很多因素导致的,自交系的异质性、自交系利用世代过多、生物学混杂、田间管理措施不严、种子晾晒时去杂不彻底、人为掺假造假等。针对这些原因,可以采取以下一些途径来提高玉米种子纯度,使其能够达标:育种单位要有严谨的推广态度;从根本抓起,做好自交系的繁殖工作;建立稳定的专业化、商品化的种子生产基地;严格遵照《玉米制种技术操作规程》进行生产;种子收获、收购、脱粒期间严把种子质量关;健全管理机制。净化种子市场。

关键词: 玉米制种, 纯度达标

Abstract: There are many reasons why the purity of conr seeds cannot reach the national standards,such as inbred lines heterogeneity;excess utlization generation of inbred lines;biology confounding;loosing field mangement;rogued by halves in seed airing;artifical concoction etc.Based on these reasons,some measures were taken to improve purity of seeds:careful expansion attiude,indred lines breeding,stable specializd and mechandizd seed production basis,strict conforming to“ Corn seed growing operating specifications”,strict to close seed quality,integritying management system,purifying seed market.

Key words: Corn growing, Purity reaches standards, Improve

中图分类号: 

• S513