fungus on squash leaves

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EricaB Bybee, TN Aug 25, 2009

Help. my squash and zuccini leaves ave turned yellow to brown and some have died. The zuccini plant has not had any female flowers since, and the squash plant has one fruit growing. I sprayed both with Reem two days ago. Shold I remove the affected leaves?

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stephanietx Fort Worth, TX(Zone 8a) Aug 25, 2009

Do you get squash vine borers? If so, check for that first.

Not familiar with Reem, so can't help you with that. What other symptoms are you seeing?

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HoneybeeNC Charlotte, NC(Zone 7b) Aug 25, 2009

Perhaps you meant Neem? Neem oil is best used as a preventative, I don't think it does much once you actually have fungus.

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EricaB Bybee, TN Aug 27, 2009

Yes, I meant Neem. Thanks, you see how new I am? I removed the affeacted leaves, treated the plant with neem and know I would like to know if it will produce fruit again. Anybody have any insights?

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Horseshoe Efland, NC(Zone 7a) Aug 27, 2009

Erica, leaves turning yellow to brown don't necessarily mean a fungus. Usually a fungus will be white (powdery mold or powdery mildew, for example).

I'd be looking for either squash bugs, which will suck the juices of the leaves and leave a virus behind, which would cause the yellowing/browning/dying of the leaves, or white fly, which tend to leave a honeydew behind which encourages fungus. By the way, squash vine borers, will tend to bore into the stems causing an extreme wilting of the plant while the leaves are still green, then they'll start showing the death of browing/dying.

If the rest of your plant looks nice and healthy then yes, you should get more squash. I'd recommend a good side-dressing to give it some get-up-and-go though!

Shoe

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