| 玉米诱集带对棉田天敌种群动态的影响 |
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| 引用本文： | 王林霞,田长彦,马英杰,胡敏芳. 玉米诱集带对棉田天敌种群动态的影响[J]. 干旱地区农业研究, 2004, 22(1): 86-89 |
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| 作者姓名： | 王林霞 田长彦 马英杰 胡敏芳 |
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| 作者单位： | 中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011;中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011;中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011;中国科学院新疆生态与地理研究所,新疆,乌鲁木齐,830011 |
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| 基金项目： | 中国科学院知识创新工程项目(KZCX1-08-01)，中科院新疆生地所领域前沿项目(KZCX-XJ02-01) |
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| 摘 要： | 棉田中种植玉米诱集带不仅可以增加棉田捕食性天敌的数量,而且还有诱集天敌的作用。在棉花生长期间,瓢虫、蜘蛛和草蛉三者的总数均为玉米诱集带>处理棉田>对照棉田。其中瓢虫占捕食性天敌的89.89%,草蛉占2.24%,蜘蛛占7.86%。棉田天敌优势种群是十一星瓢虫,它占瓢虫总数的82.66%,而且处理棉田十一星瓢虫的数量明显高于对照棉田,是对照棉田的1.8倍。
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| 关 键 词： | 捕食性天敌 十一星瓢虫 种群动态 棉田 玉米诱集带 |
| 文章编号： | 1000-7601(2004)01-0086-04 |
| 修稿时间： | 2003-05-20 |
Effect of trap corn on the population dynamics of native predators in cotton field |
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| WANG Lin-xia,TIAN Chang-yan,MA Ying-jie,HU Min-fang. Effect of trap corn on the population dynamics of native predators in cotton field[J]. Agricultural Research in the Arid Areas, 2004, 22(1): 86-89 |
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| Authors: | WANG Lin-xia TIAN Chang-yan MA Ying-jie HU Min-fang |
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| Abstract: | Planting trap corn could not only increase the quantity of native predators in the cotton fields, but also concentrate them on the trap corn. The distribution of ladybirds, green lacewings and spiders during cotton growth period was: the trap corn>the treatment cotton field>the contrast cotton field. There were 89.89% ladybirds, 2.24% green lacewings and 7.86% spiders in the native predators. Coccinella undecimpunctata Linnaeus was the dominant species among them in the cotton fields, whose rate being 82.66%. Its quantity in the treatment cotton field was 1.8 times compared to that in the contrast cotton field. |
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| Keywords: | trap corn native predators Coccinella undecimpunctata Linnaeus population dynamics cotton field |
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