Q.Pepper plant disease and treatment
The 3 photos illustrate the problem. The first photo illustrates a healthy pepper plant. The second one shows the tip of the plant becoming black and the third shows the plant dying. There has been 2-3 rainy days prior to the problem cropping up. What is this disease and what is the treatment? Thanks.
There are a few reasons for this issue, some more serious then others.
With the heavy rain, excess water can cause root rot.
Here is an article that will help you pinpoint the cause and how to correct it.
https://www.gardeningknowhow.com/edible/vegetables/pepper/black-leaves-on-pepper-plants.htm