Hi. I have a 2ft tall atemoya tree in a 25gl pot with palm, cactus and citrus soil. It was transplanted from a shaded area of the yard to this pot a month ago so that it would receive more sun. Three weeks ago, every other day there seems to be a single leave that would start turning yellow. I suspected fungus issue and have tried 1. Insecticidal Soap, 2. Neem oil mix RTU, and 3. Copper fungicide. Today another leave has turned yellow. It always starts from one side, then in 2 or 3 days, an entire leave would be yellow.
Soil drains very well and it very moist. So I don't think underwatering is the issue.
Last week I also applied half a cup 0-10-10 organic fertilizer in powder form since there are two flower buds forming. It is a slow release kind. Since the leave yellowing issue started 3 weeks ago, I don't think the fertilizer is the cause.
Any advice would be greatly appreciated. Thanks.

Plants · More Info

Plants · More Info

Plants · More Info

Plants · More Info