The integrated use of chemical insecticides and the entomopathogenic nematode, Steinernema carpocapsae(Nematoda: Steinernematidae), for the control of sweetpotato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae)

Andrew G. S. Cuthbertson; James J. Mathers; Phil Northing; Anthony J. Prickett; Keith F. A. Waiters

首页> 中文期刊> 《中国昆虫科学：英文版》 >The integrated use of chemical insecticides and the entomopathogenic nematode, Steinernema carpocapsae(Nematoda: Steinernematidae), for the control of sweetpotato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae)

The integrated use of chemical insecticides and the entomopathogenic nematode, Steinernema carpocapsae(Nematoda: Steinernematidae), for the control of sweetpotato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae)

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The integration of chemical insecticides and infective juveniles of the entomopathogenic nematode Steinernema carpocapsae (Wesier) (Nematoda:Steinernematidae), to control second instars of the sweetpotato whitefly, Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) was investigated. Using a sand bioassay, the effects of direct exposure of S. carpocapsae for 24 h to field rate dilutions of four insecticides (spiromesifen, thiacloprid, imidaeloprid and pymetrozine) on infectivity to Galleria rnellonella larvae were tested. Although all chemicals tested, except spiromesifen, produced acceptable nematode infectivity rates, they were all significantly less than the water control. The effect of insecticide treatment (dry residues of spiromesifen, thiacloprid and pymetrozine and soil drench of imidacloprid) on the efficacy of the nematode against B. tabaci was also investigated. Nematodes in combination with thiacloprid and spiromesifen gave higher B.tabaci mortality (86.5% and 94.3% respectively) compared to using nematodes alone (75.2%) on tomato plants. There was no significant difference in B. tabaci mortality when using the chemicals imidacloprid, pymetrozine and spiromesifen in conjunction with nematodes compared to using the chemicals alone. However, using thiaeloprid in combination with the nematodes produced significantly higher B. tabaci mortality than using the chemical alone. The integration of S. carpocapsae and these chemical agents into current integrated pest management programmes for the control of B. tabaci is discussed.

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《中国昆虫科学：英文版》 |2008年第5期|447-453|共7页
作者
Andrew G. S. Cuthbertson; James J. Mathers; Phil Northing; Anthony J. Prickett; Keith F. A. Waiters;
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作者单位

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

Central Science Laboratory, Sand HuRon, York Y041 117, UK;

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原文格式 PDF
正文语种 chi
中图分类昆虫学;
关键词
entomopathogenic nematode; infectivity; insecticide residue; pest management;

机译：昆虫病原线虫;传染性;杀虫剂残留;害虫处理;

The integrated use of chemical insecticides and the entomopathogenic nematode, Steinernema carpocapsae(Nematoda: Steinernematidae), for the control of sweetpotato whitefly, Bemisia tabaci (Hemiptera: Aleyrodidae)

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