杂交玉米新品种宝玉999的选育及配套技术

Breeding and Matching Technology of a New Hybrid Maize Variety Bayou999

宝玉999是贵州禾睦福种子有限公司用自选系QS089作母本,外引系QB48作父本组配而成,2012年6月通过贵州农作物品种审定委员会审定。两年平均产量为9 231kg/hm2,比对照增产8.15%,增产点达88.9%。生产试验平均8 587.5kg/hm2,比对照增产7.94%,增产点达100%。该品种抗大斑病和纹枯病,中抗小斑病、丝黑穗病和玉米螟,感茎腐病,抗倒性较强,稳产性和丰产性好,适宜贵州山区及相似生态区域种植。

Baoyu 999, a new hybrid maize variety, was crossed by female parent QS089 and introduced male parent QB48, and approved by Guizhou Crop Variety Approval Committee in June, 2012. The two- year average yield was 9 231 kg/hm2 , 8.15% higher than CK, the yield increasing rate reached 88.9%. In production test the average yield was 8 587 kg/hm2 , 7. 94% higher than CK, the yield increasing rate reached 100%. This variety was resistant to leaf blight, banded sclerotial blight, moderately resistant to southern leaf blight, head smut and European corn borer. While sensitive to stem rot. It was suitable to plant in Guizhou mountainous area and similar ecological region for its strong lodging resistance, good yield stability and yielding ability.