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When my plants are affectedWhen my plants are affected by leaf damage, I like to take them off. I assume that there might be a pheromone telling other insects that it might be in distress, and as beans are almost always seemingly reproducing then it would make room for a leaf that has more photosynthesis coverage.

2015 Special Edition Garden GuideCooking Fresh with The Old Farmer's AlmanacThe Almanac Monthly Digital MagazineWhat the heck is a Garden Hod?