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Yellow squash turning green...then back to yellow

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Yellow squash turning green...then back to yellow Empty Yellow squash turning green...then back to yellow

Post  elliephant on 10/20/2010, 8:55 pm

Well, my crookneck squash is really throwing me for a loop. The first couple looked totally normal. Then they started coming out green with yellow spots. Ok, figured it was an aphid transmitted virus. Toward the end, my green squash had yellow spots back during the early summer.

But today I noticed that some of the new growth has yellow squash again! I had treated with neem oil and pulled off some of the leaves that were turning yellow and some that were developing powdery mildew...so could the plant be overcoming the virus? Is that even possible? The green ones were like this from the time they first appeared and I harvested one yesterday that was full size and it still looked the same. I'm really curious as to what these yellow ones will do!

Anyone have experience with this?

Yellow squash turning green...then back to yellow 100_3994
Yellow squash turning green...then back to yellow 100_3996
Yellow squash turning green...then back to yellow 100_3997
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elliephant

Female Posts : 842
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Post  Furbalsmom on 10/21/2010, 12:42 am

Is it just one plant
that started out with yellow baby squash that grew up yellow
then started having baby green squash with yellow spots that grew up green with yellow spots
and now has new baby squash that are just yellow?
And is that a green squash with yellow spots hiding behind the lower baby yellow squash in picture #3?

AMAZING

I have never heard of squash changing their colors mid-season. But, I sure would like to have one just for its uniqueness. Shocked
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Post  elliephant on 10/21/2010, 5:49 pm

Yes to all questions. Laughing

It's really interesting, isn't it? I've been hand pollinating them, so I've paid really close attention. And it's the only plant that I have that's to the point of having blossoms.
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elliephant

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Post  Furbalsmom on 10/21/2010, 7:49 pm

AMAZING! Did you plant from seed? I don't know how a single plant could bear multiple types of fruit.
I also don't see how recovering from a virus could change the fruit of a plant, though I don't know anything about viruses in plants.
I think it is interesting to find out what happened, but mostly, I would just enjoy the various squash.
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Post  elliephant on 10/22/2010, 9:17 am

Well, actually, from what I've read, it's common when a squash plant is infected by a virus for the fruit of change color, at least a mottling of the other color (yellow on green, green on yellow). Also, from what I read, people have often thought it was a cross-pollination issue, but it's not; that would only show up in the next generation.

This was a yellow crookneck seed from Baker's Creek. But it doesn't have to do with what kind of seed, just an effect of the virus (someone correct me if I'm wrong, but that's what I've seen from all sorts of university-sponsered papers online.) I'll try to get out there to take more pictures today. From the window it looks like the little ones are turing green now, so I guess my "recovery" theory was incorrect. Maybe I just didn't notice the others when they were that small because the plant was still bearing yellow fruit at that time. I've got 3 squash that blossomed on the same day that will be ready to pick today or tomorrow...sure glad it doesn't affect their ediblity (is that even a word?!)
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Post  ander217 on 10/23/2010, 12:02 pm

Elliephant, have you tried emailing Baker Creek and asking if they have encountered anything similar in their squash? I've emailed them a couple of times with issues about some of my plants and I've always received friendly replies back. One was helpful and one, they just didn't know.
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