Abiotic Factors and Plant Communities Shape the Distribution of Soil Pathogenic Oomycetes in Chinese Grasslands
Source abstract
Abstract
Abstract The outbreaks of emerging phytopathogens constrain socioeconomic development globally and are expected to intensify in the future along with climate change. Oomycetes, a group of fungus‐like eukaryotes, include many phytopathogenic species, making it critical to understand the drivers of their diversity and distribution. This work analyzes 972 soil samples from three major grassland types in China and found that soil phosphorus availability drove oomycete richness, while humidity and nitrogen content affected community composition. Pathogenic oomycete abundance is mostly influenced by precipitation, temperature seasonality, and plant species richness. This work creates a distribution atlas of pathogenic oomycete richness and abundance in Chinese grasslands, using space‐for‐time methods to predict future outbreak areas under climate change. Model predictions indicate a potential increased risk of oomycete disease in ≈42% of the grassland area under SSP 1–2.6 and SSP 5–8.5 climate scenarios, particularly in portions of typical and meadow grasslands. This study enhances the understanding of the drivers behind the distribution of pathogenic oomycetes and highlights the need for disease management strategies in the face of climate change.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Plant Pathogens and Resistance · Plant Pathogens and Fungal Diseases · Mycorrhizal Fungi and Plant Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Herbage Improvement and Grassland Agro‐Ecosystems & College of Ecology Lanzhou University Lanzhou Gansu 730000 China
Key Laboratory of Biology Genetics and breeding of Special Economic Animals and Plants Ministry of Agriculture and Rural Affairs Tea Research Institute Chinese Academy of Agricultural Sciences Hangzhou 310008 China
Xi hu National Agricultural Experimental Station for Soil Quality Hangzhou 310008 China
Zhejiang Tiantong National Station for Forest Ecosystem Research The Shanghai Key Lab for Urban Ecological Processes and Eco‐Restoration School of Ecological and Environmental Sciences East China Normal University Shanghai 200241 China
Institute of Eco‐Chongming (IEC) East China Normal University Shanghai 202162 China
Department of Microbiology University of Helsinki Viikinkaari 9 Helsinki 00014 Finland
Funding
National Key Research and Development Program of China · National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities
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