武字号玉米自交系改良利用研究  

STUDY ON THE IMPROVEMENT OF WUZI MAIZE INBRED LINE

作　　者：张永科[1] 何仲阳 马永平[1] 

机构地区：[1]西北农林科技大学农学院玉米研究所,陕西杨凌712100

出　　处：《宁夏农学院学报》2002年第2期1-5,共5页Journal of Ningxia Agricultural College

基　　金：陕西省农发办重点推广项目资助

摘　　要：根据中国玉米杂交优势利用模式 ,就国内种质系的选育对武 10 9自交系用含唐四系、旅系种质的自交系进行了改良研究、自交选系。结果表明 :选育的自交系 812 6一般配合力高 ,在384 6株 / 6 6 6 .7m2 下测配新组合大穗大粒 ,抗病抗倒 ,结实性好 ,高产稳产 。According to the model of China maize hybreds superiolity utilization, the study on Wuzi maize inbred line improved by the inbred line which contain the germ plasm of Tangsi line and Lu line has been conducted in the aspect of the bred of local germ plasm line and new inbred line has been bred. The result indicats that the new inbred line 8126 possesses high G.C.A., the new hybreds from 8126 is big ear and big kernel, strong disease resistance and stiff straw, seed setting percentage is high, high grain yield and yield is stable under 3846 plants/666.7m 2. These hybreds display good development future.

关 键 词：玉米 武字号自交系 8126自交系 种质改良 利用 

分 类 号：S513[农业科学—作物学]