Squash and cucumber leaves
by
Betty
+21
The leaves have spots on them and I was wondering what you experienced gardeners think I have done wrong this year.
spots on leaves
spots and yellowing
more of the same
what I did this year, I bought a feeding trough. Sprayed the outside the metal and vinyl. Drilled holes in the bottom for drainage. This way not sitting on the wooden deck, but above. It looks really good. It is 10 ft long and has 4 plants in there
13 answers
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One of the dreaded mildews, I spray with a sodium bicarbonate and water solution, which only helps somewhat. Remove the deadest leaves to trash, not compost pile. Don't water overhead. Great idea with feeding trough!
Julie Dever
on Jun 23, 2015
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mildew.. not sure what kind. I had no luck with baking soda solution. I use neem oil - got mine at Lowes - also to help prevent this in the future - buy plants resistant to mildew and do not get water the leaves - only water the soil, water in the am. You can pick the leaves that are infected and put them in the trash * do not compost! Make sure you have good air circulation - which does not look like a problem here. Hope this helps!
Deb Speidel
on Jun 24, 2015
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I do water in AM tried baking soda this morning. Will check out neem oil. Where do I find that at lowes in garden dept.?
Betty
on Jun 24, 2015
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I agree, it's a mildew. You must be in a warm climate for your leaves to be that big already, mine are not even half that size. I've never had any luck combating the powdery mildew I get here. Just pull the dead leaves and don't compost them. Water the roots, trying not to get the leaves wet and hope your crop comes in before the plants die. Good luck!
Judy Borman
on Jun 24, 2015
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Wow! We are just across the river from Detroit. We've had an awful lot of rain this year but so far only about a dozen days over 80F. A lot of rain will encourage mildew as well so I will be checking my plants too.
Judy Borman
on Jun 24, 2015
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I also have Cucumber plants and the leaves closer to the ground are yellow and dying, am I doing something wrong? I haven't had much luck past couple of years with my garden.
Sarah Forgione
on Jun 24, 2015
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Hi I get a powdery mildew on my lilacs and use milk. It seems to remedy this quit well for my conditions here. I live on a river. I was using a milk jug for watering my flowers and didn't rinse it before so the littlest bit of milk was left in with that water as I shook the jug of water over my flowers and observed that the mold was lessened. So I started watering this area with milk containers at the end of their use making sure to shake it out over the affected leaves and it didn't take but a couple of weeks to show little signs of mold. Now this spring I just started occasionally doing this as preventative measure. Usually have mold late summer . I only do this on flowers ,shrubs I'm trying to protect but It would seem to work in a sprayer for the rest of area. My yard is wooded so I just do my flowers. I think what my plants get is silver leaf mold probably not the same but I think it might work. It was a happy accident that I found something that helped a lot. Hope this can help another! Blessings! The addition of milk to water thwarts molds growth and doesn't need to be done daily, perhaps twice weekly
Beverly
on Jun 24, 2015
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Hi, another suggestion would be to water at the bottom of the plant...we had it so bad last year....and tried that, it worked.......try not to get leaves wet....haha...but it does help with the mildew....hope this helps somewhat!!!! LOL
Annie Niehouse
on Jun 24, 2015
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I think what you have is spotting resulting from water droplets having the sun shine thru them. Mildew would be brown or black. Try soaker hoses, so that leaves don't get wet. If you get little trails, that would be slugs. Bottom leaves getting yellow is from moisture, plus newer leaves getting most of the nutrition. Overall, your plants look really healthy. Good Job on the trough, BTW.
Candace Warren
on Jun 24, 2015
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I find it was from using a sprinkler. Water at the bottom to soak. Hope this helps
Jim Schooler
on Jun 24, 2015
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Have you looked under the leaves for aphids, little green bugs? They will make holes in the leaves. Insecticidal soap will get rid of them.
Piggerts
on Jun 24, 2015
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It does look like mildew - not 100% sure (I usually see it when it is more advanced). Watering from bottom/keeping plant dry is good, but there will still be high humidity b/w the soil surface and the leaves. Get yourself some wood mulch, and apply it at least 2 inches deep if you can - NOTE: if this "buries" the stem, move it away so mulch isn't now sitting against the trunk of the plant which has developed in dry conditions. Watch for spot's progress (or hopefully lack of) and have a look at both sides with magnification to ensure no pests are about. Bordeaux Mixture (copper, sulfur & something else) is a gentle way to stop most fungus; but don't spray in the sun. Do it at a time that the spray will dry and no extra dampness lingers on your leave.
Duv310660
on Jun 24, 2015
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The soda might be the problem. Watering in the early hours, to prevent mildew. Too much water can also cause yellowing of the leaves.
Pamela Metsala
on Jun 25, 2015
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