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Optimization and efficacy of an autoinoculation device for managing Liriomyza sativae with Beauveria bassiana

文献类型： 外文期刊

作者： Zhang, Qikai 1 ; Wang, Dengjie 4 ; Liang, Xinghui 5 ; Wang, Haihong 2 ; Lyu, Baoqian 1 ;

作者机构： 1.Sanya Res Inst, Hainan Key Lab Biosafety Monitoring & Mol Breeding, CATAS, Sanya, Peoples R China

2.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China

3.Minist Agr & Rural Affairs, CATAS, Environm & Plant Protect Inst, Key Lab Integrated Pest Management Trop Crops, Haikou, Peoples R China

4.Mianyang Acad Agr Sci, Crop Characterist Resources Creat & Utilizat Key L, Key Lab Wheat Rice & Biol Breeding, Minist Agr & Rural Affairs, Mianyang, Sichuan, Peoples R China

5.Beijing Ecoman Biotech Co Ltd, Beijing, Peoples R China

关键词： Leafminer management; Entomopathogenic fungi; Attractant formulation; Biocontrol strategy; Field trial evaluation

期刊名称：BIOLOGICAL CONTROL （ 影响因子：3.4； 五年影响因子：4.0 ）

ISSN： 1049-9644

年卷期： 2025 年 207 卷

页码：

收录情况： SCI

摘要： The leafminer Liriomyza sativae Blanchard (Diptera: Agromyzidae) is a significant pest damaging various agricultural and ornamental crops. Control is hindered by its resistance to multiple insecticides. This study aimed to develop and optimize an autoinoculation device specifically for controlling L. sativae and to assess the device's efficacy in field applications. The initial phase involved screening to identify a strain of Beauveria bassiana (Balsamo-Crivelli) Vuillemin that was highly virulent to L. sativae. After selection of the optimal strain, the attractant formulation was refined and the device design was optimized to maximize pest attraction and infection rates. Short- and long-term field trials were then conducted to evaluate the device's effectiveness in the control of pest populations. Results showed that the XJWLMQ-1 strain of B. bassiana had the highest rates of spore production, pest infection, and lethality to the targeted leafminer. The most effective attractant was a blend of trans2-hexenal, cis-3-hexenol, 1-octen-3-ol, cis-3-hexenyl acetate, and alpha-ionone in a 4:1:1:3:1 ratio at 0.8 g/L concentration. Optimal efficacy was achieved by positioning the attractant 20 cm from the fungal spores and 20 cm above the cowpea canopy. Both short- and long-term trials confirmed that the autoinoculation device was effective in controlling L. sativae populations, suggesting its effective use for biological control of the target pest.

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