What Is The Best Way To Treat Black Spot On An Indoor Ficus Tree. I Have A Pet That Could Come In Contact With Whatever I Use. The

Question

tree is dropping leaves fast. It is a large tree, 35 years old, and is being treated successfully with systemic Bonide insecticide for scale. I could keep the cat out of the room for a week or so, but spraying inside seems a little bit risky. I have some Bonide Fung-onil, which has chlorothalanil and it, which I have read is necessary to get rid of black spot on ficus I Don’t know if this is true. Thanks for advice.

Answer 1

If you have scale, the black spots are probably sooty mold from the honeydew created by the scale. Once the scale are gone, you can wash off the sooty mold.

https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm

https://www.gardeningknowhow.com/houseplants/ficus/ficus-losing-leaves.htm