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1 July 1996 Approaches to enhance the effectiveness of biocontrol of Panonychus citri (Acari: Tetranychidae) with Stethorus punctillum (Coleoptera: Coccinellidae) in citrus orchards in Guizhou
Xiaolong Yang, Miaoqing Shen, Jiwen Xiong, Zhenzhong Guo
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Abstract

The effectiveness of biocontrol of Panonychus citri with Stethorus punctillum in citrus orchards can be enhanced in two ways. One is by double releases to raise the number of S. punctillum, with the first release in mid May and the second in mid September. The other is by planting alternative host plants in a citrus orchard to provide a refuge for S. punctillum and enable it to survive the food crisis in autumn. The main kinds of alternative host plants and the associated species of leaf mites were investigated around Guiyang City. A plan to design a system of alternative host plants of S. punctillum in a multiple-species citrus orchard system is put forward.

Xiaolong Yang, Miaoqing Shen, Jiwen Xiong, and Zhenzhong Guo "Approaches to enhance the effectiveness of biocontrol of Panonychus citri (Acari: Tetranychidae) with Stethorus punctillum (Coleoptera: Coccinellidae) in citrus orchards in Guizhou," Systematic and Applied Acarology 1(1), 21-27, (1 July 1996). https://doi.org/10.11158/saa.1.1.5
Accepted: 14 June 1996; Published: 1 July 1996
JOURNAL ARTICLE
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KEYWORDS
biocontrol
citrus
natural enemy
Panonychus citri
Stethorus punctillum
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