文献类型： 外文期刊
作者： Yang, Jing 1 ; Zheng, Lixia 2 ; Liao, Yonglin 4 ; Fu, Yueguan 5 ; Zeng, Dongqiang 6 ; Chen, Wensheng 2 ; Wu, Weijian 7 ;
作者机构： 1.South China Agr Univ, Lab Insect Ecol, Guangzhou, Peoples R China
2.Foshan Univ, Int Res Ctr Environm Membrane Biol, Foshan, Peoples R China
3.Foshan Univ, Dept Hort, Foshan, Peoples R China
4.Guangdong Acad Agr Sci, Plant Protect Inst, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou, Peoples R China
5.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou, Peoples R China
6.Guangxi Univ, Inst Pesticide & Environm Toxicol, Nanning, Peoples R China
7.South China Agr Univ, Lab Insect Ecol, Guangzhou 510642, Peoples R China
8.Foshan Univ, Int Res Ctr Environm Membrane Biol, Foshan 528225, Peoples R China
9.Foshan Univ, Dept Hort, Foshan 528225, Peoples R China
10.Guangdong Acad Agr Sci, Plant Protect Inst, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou 510640, Peoples R China
关键词： fruit fly; passion fruit; exotic plant; HCN; embryo arrest; ecological trap
期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：4.1； 五年影响因子：4.4 ）
ISSN： 1526-498X
年卷期： 2023 年 79 卷 6 期
页码：
收录情况： SCI
摘要： BACKGROUNDFruit flies are important economic pests of fruits, vegetables, and nuts all over the world. In this study, a permanent ecological trap, which was created by the ovicidal effect of phytogenic hydrogen cyanide (HCN) liberated from passion fruits due to oviposition by fruit flies and can be used in the pest management, were determined. RESULTSObservation of fruit fly eggs in Passiflora within the passion fruit cultivation region in southern China, from Aug 2019 to Oct 2020 showed that the exotic Passiflora attracted the native fruit flies to oviposit, but the eggs could not hatch. Using classical staging to categorize embryonic development and fumigation assays, we show that oviposition by fruit fly on passion fruits, release HCN from the cyanogenic mesocarp. Exposure of the eggs to HCN causes arrest of embryonic development and finally the death of eggs. CONCLUSIONOur results reveal that the life cycle of fruit fly in Passiflora is interrupted at the egg stage. Consequently, we predict that this ecological trap may be permanent. Extensive cultivation of the Passiflora vine as a dead-end trap crop may be an effective avenue to reduce populations of fruit fly pests. (c) 2023 Society of Chemical Industry.
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