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Question

Jeane Erpenbach
Can I use the left over straw from growing my potatoes for compost even though some of the potatoes were diseased?
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Answer

Question details

Whenever possible, it's best to avoid adding diseased plant matter to a compost pile. That said, some diseases are less worrisome than others. For example, I don't have any problem adding squash leaves that have been affected by powdery mildew, but I would never consider adding tomato vines affected by late blight.  Another consideration is what type of composting you do.  I don't have any scientific basis for thinking this, but I feel that if you're using hot composting there's a better chance of killing off whatever potentially harmful bacteria you might add through some diseased matter.  My 2 cents.
I agree with Roger.  Composting to 140 f. will kill most harmful bacteria, but I wouldn't put blighted tomato or potato vines into my compost.  Not worth the possibly of spreading blight. Stay natural, David
I agree. Ask your Extension Specialist or vegetable Pathologist they keep records of this type of thing. Also tell them how your compost works out next year.

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