This is great news. Thank you both so much for responding! The spots are definitely identical on both trees. I'll check out home depot for one of the fungicides. I think I'll wait until after the fruit gets picked to apply it... and probably again at the start of spring. Will let you know how it goes then. That Ya-Li is weird though... when it gets fruit, it stops growing leaves and wood. I wonder about the stump it's planted over. Is there something I should put into the soil around it ? Thanks again

If you have a dremel tool, you can use that to sharpen your blade. I sharpen mine before every mow. Just pull the blade off and sharpen the edge. It takes me about 7 minutes for me including removing/replacing the blade. If you have a bench grinder that works just as well. You can find videos on youtube showing you how to sharpen a mower blade. Also, check your watering practices. You want to apply 1" all at once. If you have a slope you can break this up into two cycles on the slope. For example water for 10 minutes on that zone and then go back and water for another 10 minutes. Before you start watering, be sure that you are putting down 1". If you google "tuna can irrigation test" you can find the typical protocol for calibrating your irrigation system. Also, a good series of articles can be found here. If you click the "< Prev" button at the bottom of the page you can go through the complete series.

The picture at the bottom: Those are the plants my mother is "Growing" (AKA killing with no care). I think fungus gnats spread the diseases from there to my bean plants that were once healthy. The plant leaf at the top if one of my bean plants, which is being effected slowly. So, as you can see, the whole back wall of the room the plants are in are covered in a big window. My mother has a brown thumb, and those plants that she tries to grow have diseases because of poor maintenance and almost no care. I think fungus gnats could've spread the disease to the bean plants I have grown. See those cups? The bean plants are growing fine in them, and they have drainage holes too (5 each per cup). I will start watering every other day, and less water too. I will water less frequently and feel the soil if needed. Anyway, I've killed those weird fungus gnats with bug spray, and I don't really care if it affects the yield of the plants, but I will use nontoxic solutions in the future (I didn't have access to any nontoxic solutions to kill the flies so I had to use spray). Also, as you can see in one of the pictures, the soil has white fungus on it. I asked someone, and they said that the white stuff won't really affect the plants. Is that true? The plants are producing new leaves, but even those are turning out white and yucky. Please tell me what to do from here. I live in Arizona, and I don't want to move these bean plants to go outside. There are dust storms, and sometimes nature can take its toll on them. I think they're getting enough sunlight considering they have a whole wall of window. If you need any more information, just ask and I can provide it or take more pictures.

Is it a disease/fungus or is it pieces of the white stuff that is underneath the plant that has been splashed or kicked up over the plant? Most fungus do not have that type of pattern.