Allelopathy is pervasive in invasive plants
Allelopathy is pervasive in invasive plants
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DOI：
10.1007/s10530-020-02383-6
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发表时间：
2020-11-03
影响因子：
2.9
通讯作者：
Bialic-Murphy, Lalasia
中科院分区：
文献类型：
--
作者：
Kalisz, Susan;Kivlin, Stephanie N.;Bialic-Murphy, Lalasia
入侵物种利用各种各样的性状策略来建立新的生态系统。在这些性状中，有产生化感化合物的能力，这些化合物可以直接抑制邻近的原生植物，或者通过破坏有益的地下微生物互利关系或改变土壤资源来间接抑制原生植物。尽管化感作用在植物类群中的普遍存在是众所周知的，但在入侵植物中化感作用的普遍性是未知的。在这里，我们证明了我们数据库中的524种入侵植物物种中的大多数都会产生化感物质，有可能对本土植物的表现产生负面影响。此外，化感作用广泛存在于植物的生殖过程中，这表明化感作用可能对地球仪的本地物种产生巨大影响。入侵物种的化感作用通常被认为只存在于少数植物分支中（例如，菊科）。然而，我们的分析表明，化感作用存在于72%的113个植物科调查，这表明这种无处不在的入侵机制值得更多的关注，随着入侵率在地球仪。
Invasive species utilize a wide array of trait strategies to establish in novel ecosystems. Among these traits is the capacity to produce allelopathic compounds that can directly inhibit neighboring native plants or indirectly suppress native plants via disruption of beneficial belowground microbial mutualisms, or altered soil resources. Despite the well-known prevalence of allelopathy among plant taxa, the pervasiveness of allelopathy among invasive plants is unknown. Here we demonstrate that the majority of the 524 invasive plant species in our database produce allelochemicals with the potential to negatively affect native plant performance. Moreover, allelopathy is widespread across the plant phylogeny, suggesting that allelopathy could have a large impact on native species across the globe. Allelopathic impacts of invasive species are often thought to be present in only a few plant clades (e.g., Brassicaceae). Yet our analysis shows that allelopathy is present in 72% of the 113 plant families surveyed, suggesting that this ubiquitous mechanism of invasion deserves more attention as invasion rates increase across the globe.