If botrytis use copper sulfate. On market under different names.

You may not have any known fungus. Here we had such a long cool wet period the few days that it got in the upper 90's-100 the plants cooked. Some the whole plant cooked, some just certain leaves. The leaves look like they have been sun scalded. I have several plants like this including a double peach colored plant. I am hoping that the plants will recover but as bad as mine look I think they have been toasted.

On the plants with less damage it looks like a line was drawn on the leaf. One part is healthy the other part is black.

Good luck/

thanks have already applied copper sulfate and Phisan 20. and cut off all diseased stems

Definately not heat problem as we've been exceptionally cool, , the leaves look fine but wilted, it's the leaf stems that are black.

from all i've read it's a fungus

here is what i got from another source, and the black stem spots are what i have

http://www.ct.gov/caes/cwp/view.asp?a=2823&q=377870