[IBC] Black Pine Question
Mike said:
I have a Japanese Black Pine in a very large training pot. ... This past growing season, I noticed some white stuff at the base of many needles and on some of the shoots. It almost looks like bird dung, but I know it isn't. Can anyone venture a guess at what it is and how to treat it? I say: Sounds like a pine adelgid: google them and look at the pictures. They are woolly aphidlike insects. You can treat with a dormant oil now, which will smother them, or a light summer oil during the growing season (as directed by label). Otherwise, ask your nearest Cooperative Extension office for advice on insecticides. |
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