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Originally Posted by NathanP
The easiest control would be to simply remove all foliage that appears to be infected and see if you can control or limit it's spread. Potatoes can lose up to 40% of their foliage will little impact on yield, depending on variety. So you could that and still have a reasonable harvest if you can control this.
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I didn’t know that, thanks Nathan. Good idea. I think I’ll hit it with Biosafe spray (hydrogen peroxide + peroxyacetic acid) which is pretty good for temporarily knocking back fungal diseases and finishing off infected leaves, then get to trimming as you suggest. Since I didn’t stay ahead of disease, mitigation is indeed the goal. Interestingly, the potassium bicarbonate spray did noticeably slow it down over the last couple of days, so maybe there’s some hope.
Quote:
Originally Posted by brownrexx
If it were me I would send photos in an e-mail to Maine Potato Lady and ask if they have any ideas. They probably know more about potatoes than most people.
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Good idea. Will do.