Tuesday, February 2, 2010

Why are plants particularly vurnerable to fungi imported from other regions?

What kinds of human activities might contribute to the spread of plant diseases? do you think introductions of plant pathogens such as chestnut blight are more or less likely to occur in the future? why?





help please?Why are plants particularly vurnerable to fungi imported from other regions?
They have no defense mechanism and no natural preditors for this invasion.

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