Tomato plants leaves turning yellow

I can’t figure out my the leaves on my tomatoes on turning yellow The plants are in a pretty sunny part of my yard, they are in pots, with potting soil. I tried cutting off the yellow leaves, but then…

Plant disease on a calamondin?

Hi there, I purchased a calomondin bush for a friend whose plant I accidentally killed when I exposed it to scale. Upon bringing the new plant home, I now realize there is a white dusts on the leaves. Now I’m…