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Plant Disease

Do plant diseases such as rust, black spot, powdery mildew, and blight affect all areas of the United States? When are these diseases active?

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1 Comment To "Plant Disease"

#1 Comment By Nikki On 03/14/2011 @ 8:23 am

Yes, all of those named do affect all over the US. Mostly they are seen while plants are growing outside, but a few, like powdery mildew, can be seen on houseplants year round.

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