Black Grainy Substance on Holly Leaves

Many of the leaves on my holly bushes are covered with a grainy black coating. Leaves are dying. How can I treat this?

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1 Comment To "Black Grainy Substance on Holly Leaves"

#1 Comment By Nikki On 06/02/2011 @ 7:16 am

The black substance sounds like a sooty mold issue, most often brought on by pests. Neem oil can also be used to get rid of the pests as well as the fungus. This article will help: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm ^[1]

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[1] https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

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