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emerging-pathogens

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Emerging pathogens are newly identified or rapidly spreading disease-causing microorganisms—including fungi, bacteria, viruses, and oomycetes—that pose novel threats to plant populations. As global trade, climate change, and habitat disruption accelerate pathogen movement and evolution, plants encounter disease agents to which they have little or no established resistance. Understanding and monitoring these pathogens is critical for protecting agricultural crops, native ecosystems, and biodiversity before outbreaks become catastrophic.

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