施肥与摘蕾对棉蚜、棉叶蝉种群数量及棉花产量的影响

应用生态学报 ›› 2004, Vol. ›› Issue (8): 1440-1442.

施肥与摘蕾对棉蚜、棉叶蝉种群数量及棉花产量的影响

门兴元¹, 戈峰¹, 尹新明², 刘东坡²

1. 中国科学院动物研究所农业虫鼠害国家重点实验室, 北京 100080;
2. 河南农业大学植物保护学院, 郑州 450002

收稿日期:2003-06-02 修回日期:2003-09-30 出版日期:2004-08-15
通讯作者: 戈峰
基金资助:
国家重点基础研究发展规划项目(G2000016209);中国科学院创新工程方向资助项目(KSXC2012和KSCX2SW103)

Effect of nitrogen fertilization and square loss on cotton aphid population,cotton leafhopper population and cotton yield

MEN Xingyuan¹, GE Feng¹, YIN Xinming², LIU Dongpo ²

1. Institute of Zoology, Chinese Academy of Sciences, Beijing 100080, China;
2. Henan Agricultural University, Zhengzhou 450002, China

Received:2003-06-02 Revised:2003-09-30 Online:2004-08-15

摘要/Abstract

摘要： 分析比较了不同施氮水平(0～450 kg·hm^-2)与不同摘蕾处理(0～12个·株^-1)对转Bt基因棉花(GK-12)和常规棉花(泗棉3号)的棉蚜、棉叶蝉种群数量以及棉花产量的影响.结果表明,两个品种的棉蚜、棉叶蝉种群数量和有效铃量没有显著性差异.在本实验水平下,施肥和摘蕾与施肥的交互作用对两种棉花的棉蚜数量有显著性的影响,而摘蕾、施肥和两者的交互作用对两种棉花的棉叶蝉数量没有显著影响.在花铃期,施氮肥能增加两种棉花的有效铃数.线性回归分析表明,两种棉花的棉蚜、棉叶蝉的数量与施氮肥量和摘蕾量成正相关关系;有效铃量与施氮肥量呈正相关,与摘蕾量呈负相关.

关键词: 转Bt基因棉花, 施氮肥, 摘蕾, 棉蚜, 棉叶蝉, 棉花产量

Abstract: The study on the effects of nitrogen fertilization(0～450 kg·hm^-2)and square loss(0～12·plant^-1)on cotton aphid population,cotton leafhopper population and cotton yield showed that there were no significant differences in cotton aphid population,cotton leafhopper population,and numbers of effective bolls between transgenic Bt cotton and non-transgenic cotton.Cotton aphid populations on the two cottons were significantly influenced by nitrogen fertilization and by the interaction of nitrogen fertilization and square loss,while leafhopper populations were not significantly influenced by them.Nitrogen fertilization at squaring and flowering stage was one of important factors affecting cotton yield.There was a positive correlation between the application rate of nitrogen fertilizer and cotton yield,but a negative correlation between the number of lost square per plant and the yield of the two cottons.

Key words: Transgenic Bt cotton, Nitrogen fertilization, Square loss, Cotton aphid, Cotton leafhopper, Cotton yield

中图分类号:

S435.622

门兴元, 戈峰, 尹新明, 刘东坡. 施肥与摘蕾对棉蚜、棉叶蝉种群数量及棉花产量的影响[J]. 应用生态学报, 2004, (8): 1440-1442.

MEN Xingyuan, GE Feng, YIN Xinming, LIU Dongpo . Effect of nitrogen fertilization and square loss on cotton aphid population,cotton leafhopper population and cotton yield[J]. Chinese Journal of Applied Ecology, 2004, (8): 1440-1442.

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