It sure looks like it.
I can't say for sure as I'm am not a plant scientist, however this year was my first year using a Biofungicide.
Every plant that showed signs of fungal or bacterial infection in the past , was spared & we had the most
healthy Fruit, Grapes, & pepper plant grow. We are Organic growers so we never used any chemical fungicides before.
Bacterial leaf spot on peppers is a devastating disease. There is no cure once the disease takes hold, but there are several things you can do to prevent it. Read here to learn about treating pepper leaf spots.