| 应用昆虫病原线虫防治小菜蛾的研究 |
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| 引用本文： | 杨平,林锦英.应用昆虫病原线虫防治小菜蛾的研究[J].昆虫天敌,1999,21(3):107-112. |
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| 作者姓名： | 杨平 林锦英 |
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| 作者单位： | [1]广东省昆虫研究所 [2]广州市蔬菜科学研究所 |
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| 摘 要： | 小菜蛾Ｐｌｕｔｅｌｌａ ｘｙｌｏｓｔｅｌｌａ，ＤＢＭ是十字花科的重要害虫。本文应用昆虫病原线虫斯氏线虫的六个种和异小杆线虫的一个种对小菜蛾四龄幼虫进行室内测定，筛选出斯氏线虫Ｓｔｅｉｎｅｒｎｅｍａ ｃａｒｐｏｃａｐｓａｅ Ａ２４和异小杆线虫Ｈｅｔｅｒｏｒｈａｂｄｉｔｉｓ ｂａｃｔｅｒｉｏｐｈｏｒａ ８４０６为防治小菜蛾的较理想线虫种，田间小区试验也主宰了这点。
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| 关 键 词： | 高酯膜 生物防治 昆虫病原线虫 小菜蛾 |
STUDY ON APPLICATION OF ENTOMOPATHOGENIC NEMATODES TO CONTROL THE DIAMONDBACK MOTH ( PLUTELLA XYLOSTELLA, DBM) |
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| YANG Ping\,LIU Nanxin.STUDY ON APPLICATION OF ENTOMOPATHOGENIC NEMATODES TO CONTROL THE DIAMONDBACK MOTH ( PLUTELLA XYLOSTELLA, DBM)[J].Natural Enemies of Insects,1999,21(3):107-112. |
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| Authors: | YANG Ping\ LIU Nanxin |
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| Abstract: | In this paper, application of entomopathogenic nematodes to control the diamondback moth ( Plutella xylostella, DBM) was studied. First, screening out the best strains of entomopathogenic nematodes Steinernema carpocapsae A 24 and Heterorhabditis bacteriophora 8406 to control DBM in the laboratory and the field Second, shading from direct sunshine to spray nematodes in the vegetable fields can improve the parasitized mortality by 33 9% and in comparison with the results of using a humidifier. Third, entomopathogenic nematodes Steinernema carpocapsae A 24 and Heterorhabditis bacteriophora 8406 can infect the second instar larvae, early pupae and adults of DBM. The results showed that entomopathogenic nematodes have great potential to control DBM in combination with the other biological control agents. |
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| Keywords: | Steinernema carpocapsae A24 Heterorhabditis bacteriophora 8406 humidifier Plutella xylostella DBM biological control |
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