6

It does look like Sooty Mould, but its impossible to tell from the picture whether there is a scale or aphid infestation, the end result of which is often sooty mould. Treat the scale or insect pest, and the sooty mould will disappear, or it can be washed off. Check the backs of leaves, the stems and branches to see if you can find scale insect or something; ...


3

You are correct! You've got soft bodied insects that suck from the plants. Could be a number of types; aphids, white fly, etc. The sticky stuff is honeydew...the excrement from insects sucking on your plants. The only solution is spraying NEEM, mixed correctly and only spraying at night. Do not want to harm a single bee. Or hiring a company to annually ...


3

That appears to be sooty mold http://www.extension.umn.edu/garden/yard-garden/trees-shrubs/sooty-mold/


1

Not really a gardening question, but hey, its vaguely related! Hand sanitiser used neat is the best, doesn't damage your paintwork, probably requires a bit of elbow grease if the sap's been there a while, Youtube video here (it's not the only one that ends up recommending hand sanitiser though but its one of the more hip ones) https://youtu.be/Ri-Hi_3QrHE


1

Honeydew is the sweet secretion of sap sucking insects such as some scale and aphids. Scale does attack persimmon leaves and causes the leaf to yellow and fall prematurely. The honeydew is often farmed by ants, and its presence is indicative of infection. Bees and birds can also collect honeydew. Leaf guttation is different in that it produces water ...


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