I have built a simple hydroponics DWC system, using a window box with aeration. Actually a system exactly like the below picture: I am growing lettuce and cabbage, and a week ago I have ...
Here are pictures of the infected leaves. I cut them off the plant as soon as I saw them today. Click for full size Here are close-ups of the most infected leaf: Click for full size What can ...
I have plants growing in my seedling pots that I didn't put there. The potting soil says it's weed-free. What are these plants?