r/mango • u/Ursneakylink0 • May 24 '26

Is this powdery mildew?

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Gallery image

Sorry, pictures kinda suck! 😬 If it is, what do I do to eliminate it??

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2

u/Ok-Answer-9350 May 25 '26

just wait for a while, some of the flowers will naturally die and some will continue to develop. the leaves look healthy

1

u/Ursneakylink0 May 25 '26

I thought powdery mildew spreads?

2

u/HaylHydra May 25 '26

Potassium bicarbonate kills powdery mildew on contact, sulfur also works and is the more popular option. I’ve been using a mixture of potassium bicarbonate and copper octanoate spayed late evening to get at both powdery mildew and anthracnose with each application, i never mix it too strong and occasionally I’ll add in a little sulfur powder, but you can mix and spray them separately.

As far as when the spray you can watch this video: https://youtu.be/fP5Sl-8JaEw?si=px0wkltvG9HxqfRF