Help me identify what is wrong with my cucumber and zucchini.
My whole hydroponic system is suffering badly. I'm not sure what is wrong, but all my plants (except watermelon for the most part) are suffering very badly. I took some pictures of an affected cucumber leaf an a picture of the female zucchini flower.
Can someone help me figure this out. I'm sure one thing that is happening is that I have gummy stem blight but I think I have other problems as well.
Here is a link that might be useful: Link to the gallery containing these pictures