periskiopsis graft with with substance

Trouble shoot problems you are having with your cactus.
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art west co
Posts: 6
Joined: Wed Nov 12, 2014 3:46 am

periskiopsis graft with with substance

Post by art west co »

Hello. I have a periskiopsis graft that has developed a white substance. Does anyone know what it is and what would be the best course of action to treat the plant? Here is a picture.
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