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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#16 |
Tomatovillian™
Join Date: Jan 2007
Location: PNW
Posts: 4,743
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I have space issues, so I will have to decline. (Volunteering more space
for a group project would mean delaying something else that I am already chomping at the bit to try now.)
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#17 |
Tomatovillian™
Join Date: Dec 2007
Location: Espanola, New Mexico
Posts: 606
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greensparrow -
I'll send you some seed. It will be interesting to see how they do in your climate which is quite different from ours. These lines are pretty stable and very vigorous. One type I took to market in early June is still producing, though it is starting to get cold at night and the leaves are turning here. |
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#18 |
Tomatovillian™
Join Date: Jun 2011
Location: SF bay area... north bay
Posts: 242
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I would he interested in growing some wild tomato crosses if you dont mind sharing seeds. I've got space for probably 5 or so plants so I dont need a ton of seeds. I dont have much of anything to share but wouldnt mind sending a sase.
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#19 |
Tomatovillian™
Join Date: Dec 2007
Location: Espanola, New Mexico
Posts: 606
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Sure, I'd be happy to send you these crosses to trial, and I'll t-mail you my address. Here are photos of a couple interesting ones. I also have some weird throwbacks like a small, very sweet GWR currant. The original idea of these crosses was to follow the sucrose accumulation, and the early development in several lines was a surprise.
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#20 | |
Tomatovillian™
Join Date: Jun 2011
Location: SF bay area... north bay
Posts: 242
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I was looking for a "snack sized" gwr tomato for next year so I would love to have a grow at that one. Heading to the post office right now with your envelope.
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#21 |
Tomatovillian™
Join Date: Nov 2011
Location: Poland
Posts: 251
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I'm going to work on earliness, starting this year.
Maybe you will know - I've found an information, that "Early cherry" variety is another type of earliness - more about earlier fruit ripeness, than plant abiliy to make fruit. Is there any other tomato, possibly small fruit type, with such type of earliness? |
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#22 |
Tomatovillian™
Join Date: Jan 2007
Location: PNW
Posts: 4,743
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[Early cherry]
I would guess that the reference is simply to how fast cherry tomatoes grow set fruit into ripe fruit. If you look at this URL, there is a timeline for ripening a full size fruit: http://www.tomatosite.com/index.php?...Truss_Timeline From Day 15 to Day 49, that is 34 days to get from a set fruit beginning to swell to a fruit about to blush with color. Maybe it only takes half that long for a cherry tomato to get from beginning to swell to ready to blush. It probably takes a little less or a little more time depending on how big the cherry tomatoes get. That is, as you say, independent of what the minimum day/night temperatures need to be for the plant to set fruit at all. I would guess that there is a gradient, from shortest time to ripen once fruit have set for small, currant-sized tomatoes, up through cherry tomatoes, small plum and saladette tomatoes, mid-size tomatoes of all types, and to large fruited tomatoes, which likely take the longest to ripen once fruit have set. I expect that overall plant health and weather can affect this a few days either way, too. I do not know if there are academic studies which compare time from set fruit to blushing fruit for different fruit sizes and fruit types of tomato growing in the same conditions.
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#23 |
Tomatovillian™
Join Date: Jan 2008
Location: Canada
Posts: 1,553
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Very interesting thread.
I am growing a batch of assorted earlies for our community garden transplants.. so will be watching this thread as info comes available. Good Luck XX Jeannine |
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#24 | |
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Last edited by WillysWoodPile; February 27, 2012 at 06:22 AM. |
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#25 |
Tomatovillian™
Join Date: Jan 2007
Location: PNW
Posts: 4,743
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It looks like there is an actual cultivar called "Early Cherry" that
was referenced in the paper that TheLoud posted the link to. Territorial Seed Company lists it and calls it an F1 (hybrid): http://www.territorialseed.com/product/10305/92
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#26 |
Tomatovillian™
Join Date: Sep 2011
Location: Decatur, GA, zone 7
Posts: 28
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The symbol "F1" means it's resistant to fusarium wilt, race 1, according to their website.
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#27 |
Tomatovillian™
Join Date: Nov 2011
Location: Poland
Posts: 251
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Yes, I was talking about cultivar"Early cherry". This is very interesting, and I wonder if it is really faster than other cherry types, in that time from setting fruit to full ripeness.. I guess I would have to make an experiment, I have to add "Early cherry" to my wishlist
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#28 |
Tomatovillian™
Join Date: Sep 2011
Location: Decatur, GA, zone 7
Posts: 28
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It takes a lot of separate traits to add up to earliness: cold hardiness, early flowering, the ability to set fruit in cold weather (a lot of early varieties are parthenocarpic for this reason) fruits that grow to full size fast, and fruits that ripen fast once they reach full size. 'Early Cherry' has two genes that improve this last trait, according to that paper. One gene also makes the fruits smaller, and the other doesn't. I'm sure those genes are in other varieties too, not just 'Early Cherry' but it's hard to track down subtle traits like that, instead of genes for, say, purple skin or stripes.
I can see a lot of potential work to do here. I'd have to look closely at existing good varieties to see which, if any, of the components of earliness have room for improvement, and then find varieties that could donate genes for those specific traits. I suspect that there are some delicious varieties that could be made earlier with a gene or two from 'Early Cherry.' Whether they'd still be delicious is a question. |
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#29 |
Tomatovillian™
Join Date: Jul 2009
Location: Hawaii
Posts: 88
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got my first early elongated grape today will be 3 weeks earlier than other I have which are also pretty danged early!
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#30 |
Tomatovillian™
Join Date: Jan 2012
Location: Albuquerque, NM - Zone 7a
Posts: 209
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I have before me an unopened pack of Botanical Interests seed I bought last year but didn't plant, called Red Siberian, and which BI claims is a 55 day indeterminate. Doesn't say anything about size, and neither does their webpage for it:
http://www.botanicalinterests.com/pr...red%20siberian Doesn't sound at all the same as the Red Siberian Tatiana describes. Dave's lists a variety by that name, but has almost no info. Now I'm wondering what exactly I've got here. And whether or not it would be a good breeding stock to throw into what you guys are talking about. |
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