I am hoping that someone can identify from the attached picture what's wrong with my cucumbers, and offer advice about treatment. I have read about various possibilities online, but don't want to take action without a more precise diagnosis. Thank you for your attention.
New Castle County Delaware
Good Morning, I'd suggest bringing a sample in to our office so our Plant Diagnostician can take a closer look. Here is additional information http://extension.udel.edu/ag/plant-diseases/ud-plant-diagnostic-clinic/. Please let me know if you have any questions.