玉米雄不育杂交种正业8号的选育

Breeding of Maize Male Sterile Hybrids “Zhengye No. 8”

宁夏农垦特色林果公司与海南正业公司合作选育的玉米雄不育杂交种"正业8号",区域试验平均单产较DK656增产11.45%,生产试验平均单产14 340.0 kg/hm2,较DK656增产9.43%。介绍了该品种的选育过程、品种特征特性及栽培技术。

The maize male sterile hybrids ＂Zhengye No. 8＂ was bred by the Specialized Forest and Fruit Co., Ltd. of Ningxia Agricultural Reclamation and Hainan Zhengye Company. The average yield of the regional test was 11.45% higher than that of DK 656 and the average yield of the production test was 14 340.0 kg/hm^2, 9.43% higher than that of DK656. The breeding process, characteristics and cultivation technology of the variety were presented.