玉米自交系嫩系5O的选育及应用研究

为选育优质高产玉米新品种，黑龙江省农业科学院齐齐哈尔分院以从综抗集团选育出的综抗3—22为抗源亲本，对玉米自交系骨马4404进行改良选育出玉米自交系嫩系50。嫩系50在产量、品质和抗性等重要性状方面均有显著改善，组配的杂交组合在综合性状上具有明显优势。介绍了玉米自交系嫩系50的选育过程、特征特性、配合力分析及应用情况。

Research on Breeding and Applicaion oi Maize Inbred Line Nenxi 50

In order to breed new maize variety with high yield and good quality,Qiqihar Branch of Heilongjiang Academy of Agricultural Sciences bred inbred line Nenxi 50. It was breded by inbred line Zongkang 3-22 bred from Zongkang group as resistant resource and inbred line Guma 4404 as improved inbred line. Inbred line Nen- xi 50 had significant improvement in yield,quality, resistance and many important traits. The hybrid with group mating had significant advantages. The breeding process, characteristics, combining ability analysis and situation of application of inbred line Nenxi 50 were introduced.