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Efficacy of Spring Releases in Colonization ofRhinocyllus conicus1for the Biocontrol of Thistles2

 

作者: L. T. Kok,  

 

期刊: Environmental Entomology  （OUP Available online 1974）
卷期: Volume 3, issue 3  

页码: 429-430

 

ISSN:0046-225X

 

年代: 1974

 

DOI:10.1093/ee/3.3.429

 

出版商: Oxford University Press

 

数据来源: OUP

 

摘要:

Comparison of the efficacy of spring and summer releases ofRhinocyllus conicusFroelich onCarduusthistles revealed that colonization is enhanced by releases made in early spring. Spring releases of only 25 non-diapausing adult weevils resulted in better colonization than releases numbering 1,000 weevils in late summer.

 

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