Maple Trees
Q.

Deborah Maple

Anonymous added on May 24, 2012 | Answered

Deborah maple is producing heavy sap on all its leaves. It has never done this before. Is it most likely because of bacteria, or sickness in the tree?

A.
A.Answers to this queston: Add Answer
Nikki
Certified GKH Gardening Expert
Answered on May 25, 2012

Unfortunately it is a bug infestation. The sap is actually honeydew, which several different pests secrete, such as aphids or scale. I would treat the plant with neem oil. Neem oil is very effective on these kinds of pests and is safe for people and pests. This article may help:
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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