Species Identification, Insecticide Resistance and TYLCV Detection of Bemisia tabaci in Kashgar, Xinjiang
文献类型: 外文期刊
作者: Weina Gu;Jing Yang;Qi Li;Jinyu Hu;Rong Zhang;Shaoli Wang;Youjun Zhang;Qi Su;Xin Yang
作者机构:
关键词: B. tabaci;cotton;insecticide resistance;tomato;TYLCV
期刊名称: Insects
ISSN:
年卷期: 2026 年 17 卷 1 期
页码:
收录情况: SCIE(2025版)
摘要: The rapid evolution of insecticide resistance in Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) threatens effective pest management in key crops. This study characterized B. tabaci populations from cotton and tomato fields in Kashgar (September–October 2024) using mtCOI-RFLP for cryptic species identification, leaf-dip bioassays with 13 insecticides, and PCR detection of tomato yellow leaf curl virus (TYLCV). All analyzed individuals belonged to the Mediterranean (MED) cryptic species. Extreme resistance was observed to imidacloprid (RR = 320.65) and pyridaben (RR = 331.29), while nitenpyram (RR = 1.77) and the emamectin benzoate–chlorantraniliprole mixture (RR = 2.13) remained effective. TYLCV was detected in 97.5% of adults from tomato greenhouses. These findings provide a concise assessment of resistance status, species identification, and virus prevalence in B. tabaci, informing sustainable management strategies in cotton and tomato production.
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