Detection and control of powdery mildew

Marisa E. Thompson

Question What is this white coating on the leaves of my chocolate tree, and what do you recommend to remove it?

By Bolepez, a representative of Kolfax County

Answer – In New Mexico this year, powdery mildew is responsible for those symptoms.

Flour mold is a common fungal disease that occurs throughout the country. Combined with the high humidity in the canopy, warm temperatures create favorable conditions for fungal spores to grow and spread the infection. The rainy season provides ideal conditions for powdery mildew in New Mexico. I once noticed signs of pink leaves and sprouts in the summer, but a nearby spraying head was spraying too much, creating unnecessary moisture in the forest.

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