| 不同玉米品种的抗虫性研究 |
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| 引用本文： | 罗梅浩, 赵艳艳, 刘哓光, 赵国强.不同玉米品种的抗虫性研究[J].玉米科学,2007,15(5):034-037. |
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| 作者姓名： | 罗梅浩 赵艳艳 刘哓光 赵国强 |
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| 作者单位： | 河南农业大学植物保护学院,郑州,450002 |
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| 基金项目： | 国家粮食丰产科技工程项目 |
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| 摘 要： | 田间调查了14个不同玉米品种的花叶指数、雌穗上玉米螟和棉铃虫的数量以及后期茎秆上的虫孔数、幼虫数、虫道长等。结果表明,郑单958、豫玉22、豫单2001、浚单20、郑单18、郑单21、新单23和沈玉21的花叶指数较低,平均百株虫孔数和百株幼虫数较少,平均百株虫道长较短,比较抗钻蛀到茎秆内为害的害虫;豫单2001、新单23、滑丰986、沈玉21、郑单21和郑单958雌穗上的玉米螟和棉铃虫幼虫数较少,比较抗玉米穗期害虫;综合玉米前期和后期的抗性以及对钻蛀性害虫和穗期害虫的抗性,豫单2001、郑单958、新单21、新单23和沈玉21表现较好。
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| 关 键 词： | 玉米 基因型 抗虫性 |
| 文章编号： | 1005-0906（2007）05-0034-04 |
| 收稿时间： | 2007-03-12 |
| 修稿时间： | 2007年3月12日 |
Studied on Insect-Resistance of Maize with Different Genotypes |
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| LUO Mei-hao,ZHAO Yan-yan,LIU Xiao-guang,ZHAO Guo-qiang.Studied on Insect-Resistance of Maize with Different Genotypes[J].Journal of Maize Sciences,2007,15(5):034-037. |
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| Authors: | LUO Mei-hao ZHAO Yan-yan LIU Xiao-guang ZHAO Guo-qiang |
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| Institution: | College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China |
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| Abstract: | Field investigation on the index of insect hole, quantity of corn borers and cotton bollworm in ear, numbers of insect hole on the stem, numbers of 1alva and tunnel length in the stem of 14 maize with different genotypes. The results showed that the insect hole index of 8 maize with different genotypes were lower, numbers of insect hole and numbers of 1alva per 100 plant of that were fewer, tunnel length per 100 plant of that were shorter than that of other genotypes, they showed resistance to the pest in the stem. Number of corn borers and cotton bollworm in ear of 6 maize with different genotypes were fewer than that of other genotypes, they showed resistance to pest in ear. To sum up, synthetical resistance to corn pest of 5 maize with different genotypes were higher than that of other genotypes and they are worth spreading and applying to practice. |
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| Keywords: | Maize Genotype Insect-Resistance |
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