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A Faboideae-Specific Floral Scent Betrays Seeds to an Important Granivore Pest

文献类型: 外文期刊

作者: Xu, Hao 1 ; Chen, Shuwei 1 ; Wang, Yueying 2 ; Pan, Jinzhi 3 ; Liu, Xingzhou 2 ; Wang, Chaowei 2 ; Wang, Xinxia 1 ; Cui, Xiaoyan 4 ; Chen, Xin 4 ; Li, Jinbu 1 ; Rasmann, Sergio 5 ;

作者机构: 1.Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China

2.Suzhou Acad Agr Sci, Inst Plant Protect, Suzhou 234000, Anhui, Peoples R China

3.Fuyang Acad Agr Sci, Ctr Plant Protect, Fuyang 236000, Anhui, Peoples R China

4.Jiangsu Acad Agr Sci, Inst Ind Crops, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210095, Jiangsu, Peoples R China

5.Univ Neuchatel, Inst Biol, CH-2000 Neuchatel, Switzerland

6.Suzhou Vocat & Tech Coll, Suzhou 234000, Anhui, Peoples R China

关键词: stink bugs; population dynamics; chemical ecology; soybean pest; Heteroptera; kairomone

期刊名称:JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY ( 影响因子:6.1; 五年影响因子:6.3 )

ISSN: 0021-8561

年卷期: 2023 年

页码:

收录情况: SCI

摘要: Seed predation by insect herbivores reduces crop productionworldwide.Foraging on seeds at pre-dispersal generally means that females needto find the suitable host plant within a relatively short timeframein order to synchronize larval development with seed production. Themechanistic understanding of host finding by seed pests can be harnessedfor more sustainable pest management strategies. We here studied thechemical communication between the bean bug Riptortuspedestris, a major pest of legumes, and several cropspecies and cultivars in the Fabaceae. Via a comparative chemicalanalysis, we found that 1-octen-3-ol is the principal constituentof the floral scents of most species tested in the subfamily Faboideae,including soybean and faba bean. With field trapping and laboratorybioassays, including electroantennography, we further revealed thatthis compound can be perceived, and stimulate attraction responses,by R. pedestris nymphs and adults.The addition of 1-octen-3-ol to pheromone traps might therefore improvetrapping efficacy for controlling populations of this important granivorepest on legumes.

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