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作物学报 ›› 1983, Vol. 9 ›› Issue (03): 165-172.

• 研究论文 • 上一篇    下一篇

选育优质蛋白玉米种质的最近进展

邓澄欣   

  1. 墨西哥国际玉米小麦改良中心玉米研究组
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1983-09-12 网络出版日期:1983-09-12

RECENT ADVANCES IN THE DEVELOPMENT OF QUALITY PROTEIN MAIZE GERMPLASM AT CIMMYT

C.Y.Tang   

  1. Maize Program; International Maize and Wheat Improvement Center; Mexico City; Mexico
  • Received:1900-01-01 Revised:1900-01-01 Published:1983-09-12 Published online:1983-09-12

摘要: 本文简述选育优质蛋白玉米所遇到的问题及其解决途径。国际玉米小麦改良中心(以下简称“改良中心”)过去十多年来采用奥帕克2基因及其修饰基因的作用,将原来的粉质籽粒逐渐改成硬胚乳籽粒,同时保存了高营养品质,使籽粒中的赖氨酸和色氨酸含量仍然高过普通玉米,在育种上取得了显著进展。整个育种过程可分为三个阶段:(1)选获优

Abstract: materials.Using hard endosperm QPM donor stocks,a Wide array of QPMgermplasm has been developed through the conyersion program and the deve-lopment of QPM gene pools.To make the best use of available QPM germplasm,the current efforts in the management and handling of the germpla-sm have been outline

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