杂交玉米制种带叶去雄对产量的影响  

Effect of Castrating with Leaves of Hybrid Maize Production on Yield

作　　者：吕亚娟 杜世毅 

机构地区：[1]辽宁省喀左县山嘴子镇农业技术推广站,辽宁喀左122316 [2]辽宁省喀左县兴隆庄乡农业技术推广站,辽宁喀左122300

出　　处：《黑龙江农业科学》2009年第3期52-53,共2页Heilongjiang Agricultural Sciences

摘　　要：摸苞带叶去雄是提高制种产量和质量的重要措施，针对辽西地区杂交玉米种带不同数量叶片去雄对产量的影响进行研究。结果表明：带1-2片叶去雄，具有明显的增产效应，平均增产450 kg·hm^-2。Castrating with leaves before open-boll can improve yield and quality of seed production. The effect of castrating with different quantity leaves of hybrid maize production on yield in west of Liaoning province was studied. The results showed that castrating with 142 leaves could improve the yield evidently,average increasing 450 kg· hm^-2.

关 键 词：杂交玉米制种 带叶去雄 产量 

分 类 号：S513[农业科学—作物学]