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new2plant

Black balls on woody branch of Fragrant Olive

12 years ago

I had this fragrant Olive plant (Osmantbus Fragrans) for almost 7 months. It is doing great and is giving me continuous fragrant flowers. However, when I took a really close look at it today, I noticed on a few branches of the woody part of the tree, there are these small black balls 3-4mm in diameter. Some are clustered together, some are spots on the woody branches. I used a screw driver to pry some of them off the woody branch to see what they are. There is a pink powdery substance inside these little black balls. Does anyone know what these black balls are and should I be worried about them?

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