Orange tree leaf with red spots

The leaves on my blood orange tree have red spots. What is it?

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1 Comment To "Orange tree leaf with red spots"

#1 Comment By GKH_Susan On 09/02/2020 @ 1:04 am

It sounds like you have an infestation of rust mites. They are microscopic and hard to see, and will often eventually invade the fruit, as well as the leaves.

Be sure the area around your tree is free of fallen leaves and debris. Also, if the tree is too dense for air to pass through the branches, you will want to prune it. Treating the tree with a wettable sulfur mixture or neem oil is your best recourse. Here's an interesting article: .
https://www.gardeningknowhow.com/edible/fruits/citrus/citrus-rust-mite-control.htm ^[1]

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