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white powder on pines #872046

Asked June 07, 2024, 11:47 AM EDT

Just noticed copious white powdery substance on little austrian pine trees in back yard. They have lots of new candles. and look healthy otherwise. I hosed them off, but am worried. Any advice for me? Thank you so much!

Elbert County Colorado

Expert Response

Hi Jolie,

Thank you for contacting Ask Extension. Can you send some photos - both close up that show the substance, and also further back that shows the whole tree? Thanks!

Kind Regards, Replied June 12, 2024, 4:17 PM EDT

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This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

white powder on pines #872046

Expert Response

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