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Certain bacteria or fungi could combat a plant pathogen that attacks common vetch

common vetch
Credit: Pixabay/CC0 Public Domain

Anthracnose, a severe disease caused by the Colletotrichum spinaciae plant pathogen, often occurs in common vetch, a widely grown legume. Chemicals are not recommended for disease management because the plants are used as livestock feed. A new study published in Grassland Research reveals that treating common vetch with certain bacteria or fungi that promote plant growth may be effective for combating anthracnose.

Treating common vetch with these bacteria or fungi increased the activity of plant defense enzymes and promoted the presence of healthy bacteria that could keep Colletotrichum spinaciae at bay.

"The combined use of ‐promoting rhizobacteria such as Bacillus and Pseudomonas and plant growth‐promoting fungi such as Trichoderma, along with the health microbiome they recruit, will be an important way for plant in the future," said corresponding author Tingyu Duan, Ph.D., of Lanzhou University, in China.

More information: Plant growth‐promoting rhizobacteria and Trichoderma shift common vetch (Vicia sativa) physiology and phyllosphere bacteria toward antagonism against anthracnose caused by Colletotrichum spinaciae, Grassland Research (2024). DOI: 10.1002/glr2.12081

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Citation: Certain bacteria or fungi could combat a plant pathogen that attacks common vetch (2024, July 10) retrieved 23 July 2024 from
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