My Soursop Trees Do Not Look Healthy And Strong? The Area Is Winding And I Am Wondering Of Its Wind Burn, Fungus Or Mites?

Question

I have fertilize, use soil amendments, mulch with grass, fungicide and miticide. I did not apply fungicide and miticide at the same time. Currently, I have added additional soil amendments distance away from the drip root.

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Answer 1

This looks quite a bit like nutrient burn. Be sure to test the soil for deficiencies before adding nutrients to make sure that the soil is lacking. Nutrient burn is not easy to correct, and takes quite a bit of time.

On top of that, I notice spots. It resembles the pattern and location of Downy Mildew.

Here are some articles that will help you to proceed from here:

https://www.gardeningknowhow.com/edible/fruits/soursop/soursop-tree-care.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm

https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm