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Hello,
My cucumber plants were looking great. All of a sudden a few of them look wilted and limp! I have watered them but they are not looking any better. What can I do?
Please help.
Thank you.
Look at the base of the main stem to see if there is any orange-yellowish gunk there. If there is, your cucumber has fallen victim to the dreaded squash vine borer, which can also attack cukes. The worms bore into the stem of the plant, which causes sudden wilt and eventual death. You'll have to pull the plants and throw them away, unfortunately.
If you don't see any evidence of the orangish "frass", you may just be watering too much. Has this affected all of your cukes at the same time?
I also have this problem and thought it might be cucumber wilt caused by the cucumber beetle. I haven't seen any beetles in the garden, though. Is there any preventitive measures that can be taken, if is the vine borer? We have this problem with the cucumbers every year, sometime affecting just a few of the plants. Suggestions would be appreciated.
Unfortunately, the vine borer is extremely destructive and is usually caught too late. At least with squash, you can sometimes slit open the plant stem and remove the worm - cucumber stems are just too narrow for that.
The best thing you can do is cover your plants with a lightweight cloth to prevent insects from getting at them. Of course, the problem with this method is that the flowers may not be properly pollinated by bees, so you'll need to remove the cover every once in awhile.
