Colonel Mustard Posted September 23, 2007 Share Posted September 23, 2007 White, very sticky stuff has started to appear on the back of the leaves on my lemon tree. Is this some sort of fungus? I am pulling off the infected leaves, but I'll be left with nothing if I carry on. Anyone know what this might be, and what to do? Link to comment Share on other sites More sharing options...
pawsy Posted September 24, 2007 Share Posted September 24, 2007 I believe it is a fungus that feeds on the sugery subtance called honeydew. Honeydew is the excrement of aphids. To treat use horticulural soap or oil. Link to comment Share on other sites More sharing options...
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