Identifying candidate host plants for trap cropping against Drosophila suzukii in vineyards

IF 4.3 1区 农林科学 Q1 ENTOMOLOGY Journal of Pest Science Pub Date : 2024-02-21 DOI:10.1007/s10340-024-01748-3
Anne-Laure Fragnière, Sven Bacher, Patrik Kehrli
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Abstract

The spotted wing drosophila (SWD), Drosophila suzukii Matsumura (Diptera: Drosophilidae), is a serious pest in vineyards where it is difficult to control. Trap cropping, which involves manipulating the host plant composition in the crop vicinity to lure the pest away from grapes and towards more attractive host plant fruits, might be an interesting but so far neglected control approach to limit SWD egg-laying in grapes. An ideal trap crop should be more attractive to the pest than the actual crop and should ideally restrict pest development. We determined the attractiveness of fruits of 60 plant species for SWD egg-laying and their suitability for larval development in laboratory assays. Compared to grapes, 16 of the 60 fruits were strongly preferred by SWD females for egg-laying and additionally inhibited the development of SWD larvae into adults. Host preference was strongly influenced by the hardness of the fruit skin, and larval development was marginally affected by the acidity of fruits. However, none of the measured fruit traits had a significant effect on the emergence success of SWD. All 16 candidate trap crop plants should be further tested for their potential to reduce SWD infestation of grapes. We provide practical advice on the next steps to be taken for implementing a successful trap cropping strategy against SWD in commercial vineyards.

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确定候选寄主植物,用于诱捕葡萄园中的铃木果蝇
斑翅果蝇(SWD),即松村果蝇(双翅目:果蝇科),是葡萄园中的一种严重害虫,很难控制。诱捕作物是指操纵作物附近的寄主植物成分,引诱害虫远离葡萄,转而吃更有吸引力的寄主植物果实,这可能是一种有趣但迄今被忽视的控制方法,可限制 SWD 在葡萄中产卵。理想的诱捕作物应该比实际作物对害虫更有吸引力,并能理想地限制害虫的发展。我们在实验室试验中测定了 60 种植物果实对 SWD 产卵的吸引力及其对幼虫发育的适宜性。与葡萄相比,60 种水果中有 16 种是 SWD 雌虫产卵的强烈偏好,此外还能抑制 SWD 幼虫发育成成虫。寄主偏好受果皮硬度的影响很大,而幼虫发育受果实酸度的影响很小。然而,所测量的果实性状均未对 SWD 的出现成功率产生显著影响。所有 16 种候选诱捕作物都应进一步测试其减少葡萄 SWD 侵染的潜力。我们就下一步如何在商业葡萄园中成功实施诱捕作物战略以防治 SWD 提供了实用的建议。
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来源期刊
Journal of Pest Science
Journal of Pest Science 生物-昆虫学
CiteScore
10.40
自引率
8.30%
发文量
114
审稿时长
6-12 weeks
期刊介绍: Journal of Pest Science publishes high-quality papers on all aspects of pest science in agriculture, horticulture (including viticulture), forestry, urban pests, and stored products research, including health and safety issues. Journal of Pest Science reports on advances in control of pests and animal vectors of diseases, the biology, ethology and ecology of pests and their antagonists, and the use of other beneficial organisms in pest control. The journal covers all noxious or damaging groups of animals, including arthropods, nematodes, molluscs, and vertebrates. Journal of Pest Science devotes special attention to emerging and innovative pest control strategies, including the side effects of such approaches on non-target organisms, for example natural enemies and pollinators, and the implementation of these strategies in integrated pest management. Journal of Pest Science also publishes papers on the management of agro- and forest ecosystems where this is relevant to pest control. Papers on important methodological developments relevant for pest control will be considered as well.
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