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I still need help with the fungus on my tomatoes. 
One plant, a Beefmaster, was dead by first of Sept.  All others, except the cherry tomatoes, were half-consumed by season end.  Cherry tomatoes only slightly. 

What else can I do?

Any suggestions will be appreciated. 

Sorry, not sure what happened. I possibly hit the wrong button.

Plant diseases are sometimes difficult to diagnose. When a plant doesn't respond to a treatment, there may be resistance to the treatment or more likely the diagnosis is incorrect.    Brown edges and stem lesions on the plants seem to indicate that this is a bacterial problem.  Most likely this is bacterial canker; however, the spotting on the fruit is not evident.  Pathogen source can come from seed, weeds, plant debris, transplants, etc. (see links).  Crop rotation can be a big help. Other bacterial diseases could be suspect.  Although bacterial canker is hard to treat, for other bacterial diseases, a copper-based fungicide (also a bactericide) can reduce the progression of the disease. It could be the photograph, but the plants look like they could be shy on some nutrients. A soil test should answer that question. Check out the following links:

Bacterial canker of tomato | UMN Extension

Tomato leaf spot diseases | UMN Extension

Tomato Diseases and Disorders (iastate.edu)

Tomato | Diseases and Pests, Description, Uses, Propagation (psu.edu)

Again, sorry for the delay. I hope this is helpful.