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Gardening Forum   VEGETABLE GARDENING  Vegetable Garden Progress + Photos & Videos

My Cucurbit Leaves Worry Me




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My Cucurbit Leaves Worry Me

Tue May 20, 2014 12:23 pm

Hi all,

I was wondering if anyone could diagnose the problem with my zucchini (photo attached) leaves. I know powdery mildew is a common problem with cucurbits, but this seems more like sun bleached/burnt out leaves.

Any thoughts?
Many thanks in advance!

-Nick
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beekeeper1
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Re: My Cucurbit Leaves Worry Me

Tue May 20, 2014 1:23 pm

looks like sun bleach to me too. Were these trasnplants that were just set out?
Twitter account I manage for local Sierra Club: https://twitter.com/CherokeeGroupSC Facebook page I manage for them: https://www.facebook.com/groups/65310596576/ Come and find me and lots of great information, inspiration
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rainbowgardener
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Re: My Cucurbit Leaves Worry Me

Tue May 20, 2014 1:58 pm

They were planted from the greenhouse around 3 weeks ago.
Thanks!
beekeeper1
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Re: My Cucurbit Leaves Worry Me

Tue May 20, 2014 7:11 pm

yeah, they probably just weren't hardened off well enough. The leaves that were burned will not recover, but as you can already see in the photo, the new leaves that emerge, will be adapted and will be fine.
Twitter account I manage for local Sierra Club: https://twitter.com/CherokeeGroupSC Facebook page I manage for them: https://www.facebook.com/groups/65310596576/ Come and find me and lots of great information, inspiration
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rainbowgardener
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Re: My Cucurbit Leaves Worry Me

Tue May 20, 2014 7:34 pm

Can't tell if it's sun or the unknown munchers. I get something IN the leaves of some of the baby plants. Not leaf miners as there's no squiggle. I was checking some okra starts. The 1st leaves a mess, look like yours, and the true leaves showing up green. There were some white dots (eggs perhaps) on backs of leaves that I wiped off. As the true leaves get bigger, pinching off the damaged.
For most of the leaves of other plants, haven't pinned down the culprit, and no external signs on leaves. Grrrrr!
Have fun!
Susan
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Re: My Cucurbit Leaves Worry Me

Tue May 20, 2014 7:50 pm

DITTO RBG - pinch off the damaged leaves. Carefully inspect the back side of the new leaves and te leaf joints looking for signs of insects.

Good luck
Elizabeth - or Your Majesty

Living and growing in Lafayette, La.

When weeding, the best way to make sure you are removing a weed and not a valuable plant is to pull on it. If it comes out of the ground easily, it is a valuable plant. ~Author Unknown
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ElizabethB
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