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Behavioral response of Panonychus citri (McGregor) (Acari: Tetranychidae) to synthetic chemicals and oils

文献类型： 外文期刊

作者： Qayyoum, Muhammad Asif 1 ; Song, Zi-Wei 1 ; Zhang, Bao-Xin 1 ; Li, Dun-Song 1 ; Khan, Bilal Saeed 3 ;

作者机构： 1.Guangdong Acad Agr Sci, Guangdong Prov Key Lab High Technol Plant Protect, Plant Protect Res Inst, Guangzhou, Guangdong, Peoples R China

2.Ghazi Univ, Dept Plant Protect, Dera Ghazi Khan, Punjab, Pakistan

3.Univ Agr Faisalabad, Dept Entomol, Faisalabad, Punjab, Pakistan

关键词： Leaf surfaces; Lethal concentration; Sub-lethal concentration; Dispersal pattern; Colonization

期刊名称：PEERJ （ 影响因子：2.379； 五年影响因子：2.81 ）

ISSN： 2167-8359

年卷期： 2021 年 9 卷

页码：

收录情况： SCI

摘要： Background: Panonychus citri (McGregor) (Acari: Tetranychidae) population outbreaks after the citrus plantation's chemical application is a common observation. Dispersal behavior is an essential tool to understand the secondary outbreak of P. citri population. Therefore, in the current study, the dispersal activity of P. citri was observed on the leaf surfaces of Citrus reticulata (Rutaceae) treated with SYP-9625, abamectin, vegetable oil, and EnSpray 99. Method: Mites were released on the first (apex) leaf of the plant (adaxial surface) and data were recorded after 24 h. The treated, untreated, and half-treated data were analyzed by combining the leaf surfaces (adaxial right, adaxial left, abaxial right, and abaxial left). All experiments were performed in open-air environmental conditions. Results: The maximum number of mites was captured on the un-treated or half-treated surfaces due to chemicals repellency. Chemical bioassays of the free-choice test showed that all treatments significantly increased the mortality of P. citri depending on application method and concentration. A significant number of mites repelled away from treated surfaces and within treated surfaces except adaxial left and abaxial right surfaces at LC30. In the no-choice test, SYP-9625 gave maximum mortality and dispersal by oils than others. No significant differences were observed within the adaxial and abaxial except abaxial surface at LC30. Therefore, the presence of tested acaricides interferes with P. citri dispersal within leaf surfaces of plantations depending on the mites released point and a preferred site for feeding.

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