Precise Control and Prevention Methods for Whitefly in Greenhouse Vegetables

Trialeurodes vaporariorum Westwood (greenhouse whitefly) are worldwide polyphagous pests of economic importance that damage solanaceous vegetables. Neonicotinoid pesticides and parasitoid Encarsia formmosa Gahan are the main management strategies applied worldwide, but precise control methods in gre...

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Bibliographic Details
Published in:Agronomy (Basel) 2024-05, Vol.14 (5), p.989
Main Authors: Dai, Xiaoyan, Lin, Qingcai, Liu, Yan, Wang, Ruijuan, Su, Long, Yin, Zhenjuan, Zhao, Shan, Zhang, Feng, Chen, Hao, Zheng, Li, Zhai, Yifan, Zhang, Lisheng
Format: Article
Language:English
Subjects:
Adults
Agricultural ecology
Agricultural pests
Aleyrodidae
Bioassays
Control methods
Crop production
Crop science
Economic importance
Encarsia formosa
greenhouse vegetable
Greenhouses
Insecticide resistance
Insecticides
integrated strategy
Leaves
Methods
Mortality
neonicotinoid
Pesticide resistance
Pesticides
Pests
Pollinators
Populations
Risk assessment
Tobacco
Toxicity
Trialeurodes vaporariorum
Vegetable industry
Vegetables
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Summary:Trialeurodes vaporariorum Westwood (greenhouse whitefly) are worldwide polyphagous pests of economic importance that damage solanaceous vegetables. Neonicotinoid pesticides and parasitoid Encarsia formmosa Gahan are the main management strategies applied worldwide, but precise control methods in greenhouse vegetables need to be developed to reduce the application amounts of pesticides and improve the suppression of whitefly populations. Therefore, we assessed the indoor acute toxicities and risk assessment of neonicotinoids for T. vaporariorum and E. formosa adults and pupae and compared the control effects of E. formosa and neonicotinoid acetamiprid. According to the acute toxicities results, most neonicotinoid insecticides were more toxic to E. formosa than T. vaporariorum, and pupae were much less susceptible than adults of both species. Moreover, acetamiprid had a low risk effect on E. formosa. Sole application of E. formosa and acetamiprid could effectively control T. vaporariorum, but their combined application resulted in antagonistic effects on the control of T. vaporariorum. The results showed that a combined application or sole use of E. formosa could reduce the use of insecticides, slow down the development of insecticide resistance in whiteflies, and improve the efficiency of controlling the growth of whitefly populations in greenhouse vegetable production.
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy14050989