Broccoli leaf discoloration

Question

I have broccoli seedlings that I am just testing out but have noticed that some leaves have these white dots with purple blotching. Could you tell me if this is some sort of disease and what can I use to fix the problem?

Answer 1

This is a nutritional issue.

Here is a link with more information.

https://www.gardeningknowhow.com/plant-problems/environmental/leaves-turning-reddish-purple.htm