Magnolia Trees
Q.

Black Spots On Underside Of Leaves

Anonymous added on May 10, 2011 | Answered

We have black spots on the underside of the leaves on our Magnolia tree. What are these and what is a natural way to get rid of it? Do we need to get rid of it?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on May 18, 2011

It is most likely scale (which is a lot like aphids). It can be treated with neem oil. These articles will help you:
https://www.gardeningknowhow.com/plant-problems/pests/scale-bug-how-to-control-plant-scale.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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