Asymmetric sharing of generalist pathogens between exotic and native plants correlates with exotic impact in communities

IF 5.3 1区 环境科学与生态学 Q1 ECOLOGY Journal of Ecology Pub Date : 2024-08-27 DOI:10.1111/1365-2745.14392
Lauren P. Waller, Warwick J. Allen, Amanda Black, Leo Condron, Jonathan D. Tonkin, Jason M. Tylianakis, Angela Wakelin, Ian A. Dickie
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外来植物和本地植物之间不对称地共享普通病原体与外来植物对群落的影响有关
当外来植物入侵到一个新的区域时,它们可以躲避专性敌害。然而,它们可能会支持通敌,包括本地和引进的真菌病原体,这就有可能造成外来植物向本地植物群落的溢出和明显竞争。为了评估外来植物入侵群落中假定致病的根相关真菌(以下简称 "病原体")外溢的可能性,我们进行了两阶段的植物-土壤反馈实验:一个是本地植物和外来植物单独种植的单一栽培实验,另一个是外来植物占优势程度不同的多物种群落级实验。我们使用下一代测序技术来描述群落中本地植物和外来植物之间病原体共享的特征。外来植物在群落中的表现优于本地植物,尽管它们所携带的通性病原体的相对丰度更高。外来植物所支持的病原体具有更高的通用性,因此更容易与本地植物共享。群落中外来植物和本地植物共享病原体的比例与本地植物的竞争能力低于外来植物有关。综述:这些数据表明,外来植物寄生了更多与本地植物共享的通性病原体,这可能会通过明显的竞争使外来植物间接受益于本地植物。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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