Forum area for discussing hybridizing tomatoes in technical terms and information pertinent to trait/variety specific long-term (1+ years) growout projects.
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#1 |
Tomatovillian™
Join Date: Jan 2014
Location: Southern WI
Posts: 2,742
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If one were to cross a pink tomato with an orange tomato, using one with the B (beta) gene(e.g., Jaune Flamme), would it be better to use the pink or orange as the female? My thought is if B is expressed in the F1, then using the pink as the female would be best since I'd know the cross took. If another orange variety is used that say has t (tangerine), then the orange would be best, again knowing that the cross took (F1 would be red or pink, depending on orange skin color).
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#2 |
Tomatovillian™
Join Date: Jan 2014
Location: Southern WI
Posts: 2,742
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I think I found the answer to my question and it is clearly very complex.
http://www.tomatoville.com/showthread.php?t=33232 Especially the later pages of the thread. |
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#3 | |
Tomatovillian™
Join Date: Jun 2012
Location: Minnesota
Posts: 586
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---- A general discussion of color genes: http://the-biologist-is-in.blogspot....-tomatoes.html
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http://the-biologist-is-in.blogspot.com Last edited by Darren Abbey; January 4, 2017 at 12:16 AM. |
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#4 | |
Tomatovillian™
Join Date: Oct 2012
Location: Vancouver Island
Posts: 5,931
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This is a great article, easy to understand for the layperson thank you for posting it. I am interested in the opaque red high lycopene skin trait. A clear epidermis pink skinned yellow cherry appeared in a potato leaf F2 selection of one of my crosses. Marsha is growing out the F3 and the coloration has come through in the F3 as well. It looks like the photo in the article except once ripe the skin on our tomato is a bright dark apricot pink. I initially thought it was a bicolour as the color begins as s blush on the blossom end but does not extend into the interior. The blush continues to develop until the whole exterior becomes pink. Would you look at the KARMA project thread and tell me if you think this is the explanation for the color of this cherry. Thank you KarenO Last edited by KarenO; January 4, 2017 at 01:01 AM. |
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#5 | |||
Tomatovillian™
Join Date: Jun 2012
Location: Minnesota
Posts: 586
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Quote:
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I'll have a look and see what I can make of it.
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http://the-biologist-is-in.blogspot.com |
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#6 | |
Tomatovillian™
Join Date: Jun 2012
Location: Minnesota
Posts: 586
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The conversations which led to that part of my blog post were referring to either extra lycopene in the very surface skin (normally yellow or clear) or enhanced lycopene in the tissue just below the skin as in your photos. It isn't clear if the two things are the same or different traits, but this sort of thing coming up independently in multiple genetic lines suggests there are several ways to get to the trait.
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http://the-biologist-is-in.blogspot.com |
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#7 | |
Tomatovillian™
Join Date: Jun 2015
Location: Colorado
Posts: 134
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#8 |
Tomatovillian™
Join Date: Jan 2014
Location: Southern WI
Posts: 2,742
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#9 |
Tomatovillian™
Join Date: Jan 2014
Location: Southern WI
Posts: 2,742
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I second Karen's sentiments--that is a very well written, carefully thought out article that really helped my understand of how color genetics work. Thank you for sharing. You should continue to sprinkle it around when the situation fits!
I've read through two articles related to orange genes, very interesting stuff! Last edited by jmsieglaff; January 4, 2017 at 09:28 AM. |
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#10 |
Tomatovillian™
Join Date: Oct 2012
Location: Vancouver Island
Posts: 5,931
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Thank you for your knowledge and for giving your informed opinion on the odd coloration of my tomato Darren. Much appreciated!
KarenO |
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