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magnolia tree
Hi was wondering if any one can help me I have a magnolia tree about 12 years old and it has got a scale like fungas growing round its trunk and branches never had this before and I dont know what it is would any one be able to help me the scales are black with a white edge to them a bit like a very small mushroom
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Sounds like one of the scale insects, oyster scale perhaps. They need to be removed with a brush and a soap based insecticide. The white is wax and it needs to be dissolved before the insecticide can get at the insect proper.
thank you i will try that .could you suggest a good insecticid