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News Release 12-074
History is Key Factor in Plant Disease Virulence
Where disease-causing microbes have been makes a difference
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Countless trees in California have been felled by sudden oak death.
Credit: David Rizzo
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Aerial view of forest of trees blighted with sudden oak death.
Credit: David Rizzo
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An up-close view of a tree affected by the disease.
Credit: Doug Schmidt
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A tree trunk "bleeding" from the disease.
Credit: Mario Garbeletto
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A bay leaf affected by plant disease.
Credit: Doug Schmidt
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