Root herbivory reduces species richness and alters community structure of root-colonising arbuscular mycorrhizal fungi

Article

Frew, Adam. 2022. "Root herbivory reduces species richness and alters community structure of root-colonising arbuscular mycorrhizal fungi." Soil Biology and Biochemistry. 171. https://doi.org/10.1016/j.soilbio.2022.108723
Article Title

Root herbivory reduces species richness and alters community structure of root-colonising arbuscular mycorrhizal fungi

ERA Journal ID5272
Article CategoryArticle
AuthorsFrew, Adam
Journal TitleSoil Biology and Biochemistry
Journal Citation171
Number of Pages4
Year2022
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0038-0717
1879-3428
Digital Object Identifier (DOI)https://doi.org/10.1016/j.soilbio.2022.108723
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S0038071722001808
Abstract

Belowground insect herbivory is an important interaction that can shape ecological communities above- and belowground. A key component of belowground ecosystems are the arbuscular mycorrhizal (AM) fungi that associate with roots of most terrestrial plants. Despite the shared ecological significance of root herbivores and AM fungi, there is an absence of data on how insect root herbivory affects root-colonising AM fungal diversity. This study explored the impacts of root herbivory (from Dermolepida alborhirtum) on the diversity and community composition of AM fungi colonising plant roots (Dichanthium sericeum) and assessed the effects on plant growth and nutrient uptake. Belowground herbivory significantly altered AM fungal community structure and reduced species richness, potentially removing fungal taxa sensitive to root-herbivore disturbance. Meanwhile, herbivory also reduced root biomass and aboveground phosphorus. These findings demonstrate how belowground herbivores can directly shape AM fungal communities in plant roots.

KeywordsArbuscular mycorrhizal fungi ; Community composition ; Dichanthium sericeum ; Diversity; Root herbivore
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Byline AffiliationsSchool of Agriculture and Environmental Science
Centre for Crop Health
Institute for Life Sciences and the Environment
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