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Wilting in heat despite generous water

Posted by Central_Valley 9 (My Page) on
Mon, Aug 19, 13 at 4:04

I'm having this happen with both summer and winter squash. As soon as the day heats up the leaves start to wilt. On a particularly hot day they end up looking like goners. When the sun gets low they perk right up, but the quantity and quality of fruit suffer.

The amount of water in the soil seems to have nothing to do with this. I've seen plants wilt while being drip-irrigated over a period of hours. Nor is the soil poor at retaining water; I believe it has a moderately high clay content, and is heavily amended with compost.

Any suggestions on the cause and cure of this problem?

Follow-Up Postings:

RE: Wilting in heat despite generous water

Just water them on schedule.
They all kind of wilt at mid day but then perk up.

Actually, when they get used to too much water behave more like that .. spoiled..hehe

This post was edited by seysonn on Tue, Aug 20, 13 at 1:29

RE: Wilting in heat despite generous water

In addition to what seysonn said I would check for Squash Vine Borers (SVB) If you are not familiar, the moth (really looks more like a weird wasp/bug that is black and dark red than a moth) flies around and lays eggs at the base of your vines. When the larvae hatch they bore into the vine leaving a hole and a dark orange "frass" that looks a bit like saw dust. The borer travels in the hollow center of the vine and chews it way through closed areas cutting off water circulation in the vine. There are many remedies for this none of which are easy. I am very diligent early in Spring to check the vine at and just below soil level for small brown seed like eggs and remove them. If they are already attacking your plant then as I said earlier there are many methods there also. I am sure there are threads here on them or check youtube. If you think this is your case post as such and I can give some advice also. Good luck and hopefully you have an awesome harvest!

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