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Square Foot Gardening Forum
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disease on watermelon leaf Toplef10disease on watermelon leaf 1zd3ho10

Hello Guest!
Welcome to the official Square Foot Gardening Forum.
There's lots to learn here by reading as a guest. However, if you become a member (it's free, ad free and spam-free) you'll have access to our large vermiculite databases, our seed exchange spreadsheets, Mel's Mix calculator, and many more members' pictures in the Gallery. Enjoy.
disease on watermelon leaf I22gcj10disease on watermelon leaf 14dhcg10

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disease on watermelon leaf

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Square Foot Gardening Forum :: Square Foot Gardening :: SFG Talk :: Disease

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disease on watermelon leaf Empty disease on watermelon leaf

Post  HPartin 7/13/2012, 8:31 am

Can someone identify what is wrong with my watermelon? This showed overnight and now is taking over? Is it so serious that I will have to pull it?

disease on watermelon leaf Img_0412

Any help would be appreciated.

Heidi
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HPartin

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disease on watermelon leaf Empty Re: disease on watermelon leaf

Post  cheyannarach 7/13/2012, 11:41 am

Hi Heidi, does it seem like a fungus growing on the leaf or does it seem like the leaf itself is turning color? If it seems like the leaf is turning color it could be a nutrient defficiency and not a disease. Watermelon are heavy feeders and at may just need a boost!
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Post  camprn 7/13/2012, 11:56 am

Did the leaf happen to have a dusty appearance a few days before the leaf got the spots. Or did you notice any yellowing of the leaf before the spots appeared?

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disease on watermelon leaf Empty Re: disease on watermelon leaf

Post  No_Such_Reality 7/13/2012, 12:50 pm

Ugh, sorry. It might be watermelon mosaic virus. Notice on the leaf on the lower left, the color variation between yellow and green. I suspect that's the early stage.

otherwise, I suspect fusarium or powdery mildew.

Try this site for more info: http://vegetablemdonline.ppath.cornell.edu



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Post  rozidays 7/19/2012, 12:45 pm

HPartin wrote:Can someone identify what is wrong with my watermelon? This showed overnight and now is taking over? Is it so serious that I will have to pull it?

disease on watermelon leaf Img_0412

Any help would be appreciated.

Heidi

Could it be sun burns from droplets splashed on the leaves while watering? Could some other substance have been sprayed on the leaves? Fertilizer sprinkled on them?
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