Beginner Gardening: How do you deal with this fungus on tomatoes leaves?, 0 by vanita79

vanita79 wrote:
Hi,

After killing at least 6 (maybe it was 8) cherry tomato plants, I finally have this gorgeous baby who is blooming and fruiting despite a little heat stress. (Its a different variety of tomatoes -not cherry- I have never grown before and seems like a determinate one).

Only, this time there is a new problem with the leaves. These dried spots appear as circles on the leaf surface as well as the edges in you notice in the pictures. I thought it was a fungus and tried spraying the plant with vinegar & baking soda in water solution.

I also realized it affects the part of the plant that is a little shaded. Have had to remove a lot of leaves because of this.

Is there anything I'm doing wrong? What can I do to save it from further damage?

The weather is strange this year, we are in the middle of December and humidity is quite high at this time, it's gets quite hot during the day sometimes and we sweat despite the cold (the tomato flowers also show a clear sign of heat stress) yet the sun doesn't shine evenly and regularly.