The grayness of Powdery Mildew will make you cry.
Powdery Mildew by Rincon-Vitova Insectory Powdery mildew (PM) is the most important fungal disease of cannabis, but also one of the most easily managed of the foliar diseases. It is a fungus that grows on the upper surface of leaves and parasitizes surface cells. Affected cells may be killed, causing brown areas on […]