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About Tom Alonzo
Expertise
I have been growing plants from seeds for at least 20 years. I have grown literally hundreds of different kinds of vegetables, trees, shrubs, annuals, perennials, tropicals, some cacti, water plants, iris, rose, lilies, cannas, etc. I enjoy starting from seed.

Experience
I've been growing my own seeds for 20 years with indoor propagation equipment I built myself. I am also an Allexperts volunteer on the perennial forum. I have completed the Master Gardener course through the Kansas State University Extension. I have experience with a wide variety of seeds and I have also read through Norm Deno's books on seed germination.

You are here: Experts > Homework Help > Trees > Seeding and Propagation > cherry tree disease

Seeding and Propagation - cherry tree disease

Expert: Tom Alonzo - 6/29/2009

Question
At the very end of each of the branches on our cherry tree(where the new growth started in the spring), seems to be full of small bugs and a blackish slick residue. What is this and what can I do to help our poor cherry tree.

Answer
Hi Margaret,
Thanx for your question. I am not a tree expert but it sounds like you have an infestation of black cherry aphid. Here are some pics and some articles on their control. You may want to consult with our tree expert Jim Hyland. He can be accessed by going back to Home/Garden, click on Trees and then click on Trees.

http://www.ipmimages.org/browse/subimages.cfm?area=127&sub=8178

This article from Washington State University should be helpful. There are many natural controls you can use too. I hope this helps.
Tom

http://pep.wsu.edu/hortsense/scripts/query/displayProblem.asp?tableName=plant&pr...

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