生物
根际
线虫
植物根系
植物根
植物种类
生物病虫害防治
生物多样性
生态学
植物
细菌
园艺
遗传学
作者
Gen Li,Ting Liu,Joann K. Whalen,Zhong Wei
标识
DOI:10.1016/j.tplants.2023.06.022
摘要
Nematodes are a crucial component of rhizosphere biodiversity, affecting plant health as the most abundant and functionally diverse soil animals. Plant-parasitic nematodes are generally considered harmful, which may overlook their potential benefits to plants when coexisting with free-living nematodes in soil. We provide new insights into nematodes as vital plant partners. Plant root damage by plant-parasitic nematodes creates opportunities for pathogens and beneficial microbiota to colonize the rhizosphere. Free-living nematodes coordinate microbiota to suppress plant diseases, but they are susceptible to mortality from plant pathogens, potentially favoring pathogen release in the root zone. We conclude that the nematode's role in regulating plant pathogens represents a missing link, constraining our ability to predict and control soil-borne diseases in healthy plants.
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