What can you do to get rid of a white powdery substance on chili pepper leaves?
White Powder Like Substance on Chili Plant Leaves
Certified GKH Gardening Expert
White powdery growth on plants is generally associated with a fungal infection, namely powdery mildew, which commonly afflicts pepper plants, especially under warm, humid conditions. Here are some articles on treating this problem that you may find helpful: https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm