Research Keyword: root disease

Epidemiology, Biotic Interactions and Biological Control of Armillarioids in the Northern Hemisphere

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This paper reviews how armillarioid fungi, particularly Armillaria species, cause root rot disease in forests and orchards across the Northern Hemisphere. These fungi spread through underground root-like structures called rhizomorphs and can kill trees and damage crops over large areas. The authors discuss how to identify these fungi using modern genetic methods and explore environmentally friendly biological control options using beneficial bacteria, fungi, and nematodes as alternatives to chemical treatments.

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Thermotolerance and post-fire growth in Rhizina undulata is associated with the expansion of heat stress-related protein families

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Scientists sequenced the genome of a fungus called Rhizina undulata that uniquely depends on fire to activate its growth and infect conifer trees. By comparing this fungus to related species, they discovered it has extra copies of genes that produce special proteins for handling heat stress and dealing with the chemical changes that occur after fires. This finding helps explain how the fungus survives extreme heat and thrives in fire-damaged forests, which is important knowledge for forest management.

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Whole-genome sequencing of Fusarium oxysporum K326-S isolated from tobacco

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Scientists have sequenced the complete genetic blueprint of a fungus that causes root rot in tobacco plants. This fungus, Fusarium oxysporum K326-S, damages tobacco crops by causing roots to brown and wilt. The detailed genome map they created contains over 17,000 genes and will help farmers and researchers develop better strategies to prevent and control this destructive disease in the future.

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