Q.I Have a White Powder Substance Under the Leaves of Lime How Do You Get Rid
My Persian lime tree is flowering but I see this white substance that I believe is a fungus. Is there something that I cam use to remove it without killing the limes that are starting to grow?

Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on January 27, 2011
It sounds like you have powdery mildew. This article will help:
https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm
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