 I think if it did have widespread working or a widespread track record, I think we would have heard. Yeah, it would have been all over the place. All right, let's see. Email here. Don, my slicer tomato plant's leaves are turning yellow with black spots. Could that be from the rabbits, or what would cause that? I fertilize water, and it's well-draining. There's probably 25 tomatoes on the plant with yellow leaves.