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Help!: black sticky spots under the leaves of my boxwood bonsai

13 years ago

Hey all,

I have a boxwood bonsai that I got from a bonsai class last summer and it's been doing well right up until the last couple of days. There are some dark black specks under the leaves and they are sticky. The trunk of the tree has gotten a little shiny as well. Could this be some kind of bug that's gotten into the tree? Is it possible it's some kind of disease?

Thanks,

Jose

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Comments (2)

tapla (mid-Michigan, USDA z5b-6a)
13 years ago
Do a search using the words boxwood Indian wax scale. You'll probably find the symptoms match. IWS is the most probable type of scale to infest boxwood. The black spots are a type of mold called sooty mold that lives on the honeydew excreted by the scale.

BTW - adding your USDA zone and state to your user info would be helpful ..... and/or a large city you're in or near.

Al
blankpages
Original Author
13 years ago
Yep, sorry about that, forgot this time.
I'll look into that. Thanks for the suggestion Al.
Jose

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