Cotton Aphid (Hemiptera: Aphididae) Resistance to Afidopyropen in Xinjiang Region, China

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY Journal of Entomological Science Pub Date : 2023-01-24 DOI:10.18474/JES22-16
Xiaoli Wang, Hui Zha, Quancheng Zhang, Jun-gang Wang
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Abstract

Abstract Concentration-mortality response bioassays were conducted in 2021 to define the toxicity of afidopyropen to field populations of cotton aphids, Aphis gossypii Glover (Hemiptera: Aphididae), in Xinjiang region, China. Levels of activity of selected enzymes also were measured. Varying levels of resistance to afidopyropen were detected among aphids from nine major cotton-growing areas in the region. Higher resistance levels were detected in aphids collected from Tumshuk, Alar, and Kurle, with resistance ratios of 4.570, 2.058, and 1.565, respectively. Lower resistance ratios of 0.506, 0.632, and 0.775 were detected in aphids collected from Yinli, Wujiaqu, and Hami, respectively. Biochemical assays showed a highly significant positive correlation of the detoxifying enzymes carboxylesterase and multifunctional oxidase with the level of tolerance, with enzyme activity increasing with the level of tolerance. Glutathione S-transferases and acetylcholinesterase activity in field-collected aphids differed significantly from laboratory colony populations, but their activity did not differ among the field populations. We concluded that cotton aphids in major cotton areas of Xinjiang have not yet developed resistance to afidopyropen and remain sensitive to afidopyropen as indicated by resistance ratios of <5; however, resistance of cotton aphids to afidopyropen in southern Xinjiang is higher than that detected in cotton aphid populations in northern Xinjiang.
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新疆棉蚜(半翅目:蚜科)对蚜虫的抗性
摘要2021年进行了浓度-死亡率反应生物测定,以确定阿非多芬对中国新疆棉蚜(半翅目:蚜科)田间种群的毒性。还测量了所选酶的活性水平。在该地区九个主要棉花种植区的蚜虫中检测到了不同水平的抗药性。从Tumshuk、Alar和Kurle采集的蚜虫中检测到较高的抗性水平,抗性比分别为4.570、2.058和1.565。从银里、五家渠和哈密采集到的蚜虫抗性较低,分别为0.506、0.632和0.775。生化分析显示,解毒酶羧酸酯酶和多功能氧化酶与耐受水平呈高度显著的正相关,酶活性随耐受水平的增加而增加。田间采集的蚜虫谷胱甘肽S-转移酶和乙酰胆碱酯酶活性与实验室群体有显著差异,但田间群体之间的活性没有差异。我们得出的结论是,新疆主要棉区的棉蚜尚未对阿非多芬产生抗性,并且对阿非多芬仍然敏感,抗性比<5;但南疆棉蚜对灭蚁灵的抗性高于北疆棉蚜种群。
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来源期刊
CiteScore
1.20
自引率
11.10%
发文量
40
审稿时长
>12 weeks
期刊介绍: The Journal of Entomological Science (ISSN 0749-8004) is a peer-reviewed, scholarly journal that is published quarterly (January, April, July, and October) under the auspices of the Georgia Entomological Society in concert with Allen Press (Lawrence, Kansas). Manuscripts deemed acceptable for publication in the Journal report original research with insects and related arthropods or literature reviews offering foundations to innovative directions in entomological research
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