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Polygyny of Tuta absoluta may affect sex pheromone-based control techniques

文献类型： 外文期刊

作者： Wang, Ming-hui 1 ; Ismoilov, Khasan 1 ; Li, Hao 1 ; Zhang, Xin 1 ; Lu, Zhao-zhi 4 ; Feng, Li-kai 5 ; Dai, Hui-Jie 6 ; Ye, 1 ;

作者机构： 1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China

2.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Specimen Museum, Urumqi 830011, Peoples R China

3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

4.Qingdao Agr Univ, Coll Plant Hlth & Med, Qingdao 266109, Peoples R China

5.Xinjiang Acad Agr & Reclamat Sci, Inst Plant Protect, Shihezi 832000, Peoples R China

6.Weifang Univ Sci & Technol, Facil Hort Lab Univ Shandong, Weifang 262700, Peoples R China

7.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Hainan, Peoples R China

8.Univ Catania, Dept Agr Food & Environm, I-95123 Catania, Italy

9.Univ Cote dAzur, UMR ISA, CNRS, INRAE, F-06000 Nice, France

关键词： parthenogenesis; mass trapping; mating disruption; sex ratio; pheromone

期刊名称：ENTOMOLOGIA GENERALIS （ 2020影响因子：5.625； 五年影响因子：4.207 ）

ISSN： 0171-8177

年卷期： 2021 年 41 卷 4 期

页码：

收录情况： SCI

摘要： The South American tomato pinworm, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), has recently invaded Yili region in Xinjiang, China. In this region, sex pheromone-based control techniques are considered promising components of integrated pest management programs. However, the potential parthenogenesis and polygyny of T. absoluta may affect the effectiveness of these techniques. In the first part of this study, the parthenogenetic reproduction potential of females collected from Yili was assessed. Consistent with French and Tunisian populations, these females were also able to reproduce parthenogenetically. However, the Yili population had a much lower capacity to produce viable offspring in F1. Next, the effects of a biased T. absoluta sex ratio on offspring density, and tomato plant damage and growth were evaluated. With the exception of the combination 4F+0M (F: female adult; M: male adult), tomato plants infested by 4F+1M, 4F+2M, 4F+3M, and 4F+4M yielded similar quantities of offspring (larvae + pupae) in F1, which indiscriminately affected plant damage and growth. Overall, compared with parthenogenetic reproduction, polygyny in the Yili population of T. absoluta is likely to undermine the effectiveness of sex pheromone-based control techniques in this region. Therefore, growers should be cautious about relying on sex pheromone-based management techniques.

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