Kentia Palm Trees

Some Misunderstanding With a Kentia Palm

goldami1 added on October 21, 2011 | Answered

I have recently bought a Kentia palm that is 1. 7 meters high. Now what interests me is the black stains I can see on its trunk. I'm very worried about it and have no clue why is that and what to do. I took some pictures:  

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Certified GKH Gardening Expert
Answered on October 23, 2011

It looks like the plant certainly has powdery mildew, which is a fungus and can be treated with a fungicide.

It looks like the plant may also have scale, which would cause the black spots. This needs to be treated with a pesticide.

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