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Alternatives to Regular Insecticide Applications for Control of Lepidopterous Pests ofBrassica oleraceavar. capitata

 

作者: NancyM. Endersby,   WendyC. Morgan,   BrendenC. Stevenson,   ColinT. Waters,  

 

期刊: Biological Agriculture & Horticulture  (Taylor Available online 1992)
卷期: Volume 8, issue 3  

页码: 189-203

 

ISSN:0144-8765

 

年代: 1992

 

DOI:10.1080/01448765.1992.9754594

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Two field trials were performed to assess a variety of control methods for larvae of diamondback moth,Plutella xylostella(L.) and cabbage white butterfly,Pieris rapae(L.) on cabbage. The possibility of reducing the number of synthetic insecticide applications, by spraying according to action thresholds, was also studied. The plant-based product rotenone, the bacteriumBacillus thuringiensisBerliner and a lightweight netting barrier successfully controlled the pests and produced cabbage of marketable quality. Pyrethrum, garlic, soap and combinations of these products did not prevent larval feeding damage. Use of action thresholds reduced numbers of synthetic insecticide applications, in one season, without compromising yield or quality. Results of these trials show that there is potential for reducing synthetic insecticide input in the production of quality cabbage crops.

 

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