| 棉田优势天敌对棉铃虫种群的控制作用 |
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| 引用本文： | 杨益众,庞雄飞,梁广文. 棉田优势天敌对棉铃虫种群的控制作用[J]. 生态学报, 2002, 22(4): 612-617 |
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| 作者姓名： | 杨益众 庞雄飞 梁广文 |
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| 作者单位： | 1. 扬州大学农学院
2. 华南农业大学昆虫生态研究室,广州,510642 |
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| 摘 要： | 采用二次正交回归旋转组合设计及其方程Ya=b0 ∑bixi ∑bijxij ∑biixi^2分别研究了棉田优势天敌类群小花蝽，异色瓢虫，龟纹瓢虫对棉铃虫卵，小花蝽，异色瓢虫，龟纹瓢虫，拟水涯狼蛛对棉铃虫1－2龄幼虫和三突花蛛，异色瓢虫，龟纹瓢虫，拟水涯狼蛛对棉铃虫3－6龄幼虫的捕食作用。通过对方程的失拟性检验和显著性检验以及对回归系数的显著性,分析了这些捕食性天敌与棉铃虫态之间的相互关系以及捕食性天敌之间的相互关系。
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| 关 键 词： | 棉田 优势天敌 棉铃虫种群 控制作用 捕食性天敌 二次正交回归旋转组合设计 |
| 文章编号： | 1000-0933(2002)04-0612-06 |
| 收稿时间： | 2000-03-17 |
| 修稿时间： | 2000-12-10 |
The Control of Cotton Bollworm Population by its Dominant Natural Enemy Complexes |
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| YANG Yizhong,PANG Xiongfei and LIANG Guangwen. The Control of Cotton Bollworm Population by its Dominant Natural Enemy Complexes[J]. Acta Ecologica Sinica, 2002, 22(4): 612-617 |
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| Authors: | YANG Yizhong PANG Xiongfei LIANG Guangwen |
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| Affiliation: | Laboratory of Insect Ecology; South China Agricultural University; Guangzhou; China |
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| Abstract: | The interaction between the predatory natural enemies and cotton bollworm was studied in caged conditions.The dominant natural enemy species were O.similis,L.axyridis,P.japonica, on the stage of egg,O.similis,P.japonica,L.axyridis,D.fimbriatoides, on the stage of 1~2 instar,Misumenopos tricuspidata,P.japonica,L.axyridis,D.fimbriatoides,on the stage of 3~6 instar.Each species and cotton bollworm(Helicoverpa armigera) were tested in their coexistent systems in caged cotton field.The interaction were analysed by some tests of loss-faulty,significance and regression coefficient. |
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| Keywords: | cotton bollworm predators natural enemies combination design of regression and rotation |
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