Q.Young Green Bean Plants Have Brown Spots On Them.
Location is central Indiana. It has been rainy and very humid recently.

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 19, 2023
It looks like it could be downy mildew. Here is more:
https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm
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