Powdery mildew is a fungus which spreads a white or ash-grey film over the upper and lower surfaces of the leaves of plants-usually the older leaves. https://aussieorganicgardening.com/2012/01/powdery-mildew-on-zucchini Powdery mildew on tomato plants often begins with pale yellow leaf spots that develop into the typical white, powdery growth. Mold or powdery mildew is a gray or white like substance that can be furry or powdery and grows on the leaves. Powdery mildew fungus favours high humidity and dry conditions. Water splash and air currents spread the spores of powdery mildew which grows on the surface of the leaf only. With the exception of gymnosperms, such as conifers, most of your plants are at risk of a powdery mildew infection if the conditions are right. Powdery mildew is a common fungal disease of cucurbits that occurs in zucchini plants, as well as cucumbers, muskmelons, gourds and pumpkins. Types of Plants Affected. It can grow on the top of the leaf or on the underside. Powdery Mildew. It can spread rather rapidly so it is best to treat it as soon as you notice it.
Aloha High School Staff,
Can A Fish Live In A Mason Jar,
2008 Mercedes E350 0-60,
Stephensons Body Butter Base,
Monster Hunter World Layered Weapons Unlock,
Should I Remove Peach Leaf Curl Leaves,