优良糯玉米自交系Nb11的选育及应用

Breeding and Application of Elite Waxy Maize Inbred Line Nb11

糯玉米自交系Nb11是利用60Co-γ辐照诱变技术与常规育种技术相结合选育出的优良自交系。该自交系具有优质、早熟、高配合力、抗逆性好、适应性广等特点。目前,已直接利用该自交系选育出科玉白202和科白糯8号2个优质、高产糯玉米新品种。此外,用Nb11及其转育系组配的糯玉米新组合在各级试验中表现优良。

Nb11 was the elite waxy maize inbred line,which was bred by 60Co-γ irradiation combined with conventional breeding techniques.Nb11 had good characteristics of high quality,prematurity,high combining ability,disease resistance,lodge resistance and extensive adaptability.Two waxy corn hybrid varieties named ＇keyubai 202＇ and ＇kebainuo 8 hao＇ were bred by utilizing Nb11 as the father.Several new waxy corn varieties combined by Nb11 directly or indirectly had good performance in different area test.