About my brown fig tree

Question

It has some type of fungus and mold on its branches.

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Answer 1

It is difficult from this image to say exactly the issue with your Fig Tree, but the problem is severe and your tree looks in a very poor condition.
Scale and Wooly Aphids can lay down a white covering that would appear like this.
Here are links with more information about these insects and the treatment.
https://www.gardeningknowhow.com/edible/fruits/figs/common-fig-tree-diseases.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/control-plant-scale.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/woolly-aphid-control.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm