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Post by keen101 (Biolumo / Andrew B.) on Sept 30, 2018 12:02:20 GMT -5
meizzwang WilliamSince S. Lycopersicoides lives at such a high elevation some accessions are said to survive full frosts and snow all the time. I can't remember if one accession i tried to request said it lived through the whole year like that. I'll need to check and I'll report back.
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Post by keen101 (Biolumo / Andrew B.) on Oct 1, 2018 10:37:15 GMT -5
meizzwang WilliamSince S. Lycopersicoides lives at such a high elevation some accessions are said to survive full frosts and snow all the time. I can't remember if one accession i tried to request said it lived through the whole year like that. I'll need to check and I'll report back. Shortly after you posted this Andrew I reread the first post that started this thread. Darrel started this project with a full set of S. Lycopersicoides introgresion lines. Darrel, if you read this could you give us an update on your take as to the utility of S. lycopersicoides and in particular the introgression lines for cold hardy tomato breeding? How is your project coming along? I think usually he is seen over on tomato ville in the breeding section. I got him to drop by here a few months ago briefly. I think i can only recall him mentioning his habrochiates lines. But i too am interested. |
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Post by DarJones on Oct 3, 2018 18:43:11 GMT -5
LA3969 has useful cold tolerance. The rest of the Lycopersicoides introgression lines carry too many deleterious traits.
Earlinorth has a useful gene.
Tastiheart has general resistance to cold that combines will with LA3969
Costoluto Genovese is an interesting line when crossed with Earlinorth.
I'm still at least 4 years away from anything worth releasing.
As a side note, I got a really interesting cross from Tastiheart X a high lycopene pimpinellifolium. I grew the F1 this year and had the most ultra red tomato I've ever seen.
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Post by imgrimmer on Oct 6, 2018 16:28:09 GMT -5
LA3969 has useful cold tolerance. The rest of the Lycopersicoides introgression lines carry too many deleterious traits. Is LA3969 a lycopersicoides or an habrochaites introgression line? Thanks! |
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Post by keen101 (Biolumo / Andrew B.) on Oct 6, 2018 16:40:44 GMT -5
LA3969 has useful cold tolerance. The rest of the Lycopersicoides introgression lines carry too many deleterious traits. Is LA3969 a lycopersicoides or an habrochaites introgression line? Thanks! I had assumed it was a lycopersicoides introgression line, but apparently not?? tgrc.ucdavis.edu/Data/Acc/AccDetail.aspx?AccessionNum=LA3969 |
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Post by DarJones on Oct 9, 2018 21:05:32 GMT -5
Can't help with the earlinorth as I am out of seed, but I have plenty of Tastiheart if you want to send me an email at darjones@selectedplants.com
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Post by imgrimmer on May 5, 2019 3:22:18 GMT -5
Last night we had light frost here. So far all volunteer tomatoes seem to be alive.
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Post by imgrimmer on Aug 4, 2019 16:58:22 GMT -5
They are all alive and bear green fruits by now. Like last year they flowered early but fruits take a long time to get ripe. Germination around 1st of may. First flower around 1st of June.
I found another volunteer (probably a descendant of my greenhouse plants from my grandfathers variety) Germination was very late. It has green fruits by now. which should be ripe soon. It has more fruits than the other volunteers.
I will reseed both types but all what matters is late blight resistance. Grandfathers variety isn`t LB tolerant.
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Post by flowerbug on Dec 24, 2019 0:49:34 GMT -5
i'm not sure what we get is late blight or not, but i'm interested in any tomatoes which will tolerate cold into the later fall and if they manage to avoid dropping all their leaves due to blight that would be a miracle. we get a lot of summer fogs and heavy dewfalls in this micro climate.
at present we grow beefsteak varieties because that is what Mom likes and i'm very happy with the production and taste of them, but they do usually manage to drop a lot of their leaves by the end of August or September but in all cases we still manage to get a good harvest from them (heavy clay holds the nutrients and moisture pretty well - even when a lot of gardeners in more sandy soil give up due to poor rainfall or the heat). i keep records of how many quarts we put up each year and the average production for canning is 20 - 40 lbs of fruits per plant (not counting what we eat or give away).
whatever does not ripen on the plants we can often keep on a table in the garage to gradually ripen. they may not be the best tasting but they work well enough in a chili or other spiced dish and a once in a while BLT.
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Post by flowerbug on Dec 24, 2019 3:07:27 GMT -5
Have you tried Iron Lady F1? thanks for the reply, 
we have not. we're limited on what we can select from here as we do not start our own tomatoes (very limited space inside and we have a local greenhouse that we like to use for our starts of tomatoes, large sweet onions, peppers and cucumbers). we've normally stuck to Balls Beefsteak or what we tried last year was another Beefsteak variety which did not do as well as the Balls. sometime we have grown Romas but that was for someone else (who ended up not taking them so we won't make that mistake again) and a few others but the results have not been up to Mom's standards (she's pretty fixated on some things so it is hard to get her to try anything new).
we also used to grow cherry tomatoes but i was having some reactions to eating too many tomatoes so i almost cut them out of my diet for several years and so we didn't grow any cherry tomatoes the past three years.
this season i gradually have returned to eating more tomatoes and so far it hasn't been a problem so whatever it was seems to be gone. *whew* for someone who grew up on Italian American food as the predominant cuisine plus i love tomatoes that was a pretty tough thing to have happen. last summer i really did enjoy more BLTs and other tomato goodness.
i've just looked up Iron Lady and see enough mixed reviews of it that i wouldn't bet my whole crop on it.
we need a larger tomato that resists folar diseases.
i'm hoping the greenhouse will have the Balls beefsteaks this coming year as we didn't think the newer ones did as well. i'll be seeing the greenhouse guy this winter and/or perhaps at the seed swap so i hope i can get him to try some different varieties.
this past year was a very difficult season for many so perhaps we did ok after all (a normal season comes in about 20 - 40lbs per plant). way too much rain and not much sunshine. we still get a harvest when many other people fail so i think we do ok, but the leaf drop that starts up in the middle of summer and then goes on gets us every season pretty much no matter what methods i use (i just hope most of the fruits are set and ripen by the end of September). i rotate plantings every year even now that i know it doesn't make any difference just because of the heavy nutrient draw and that i like to rotate other plants.
the cucumbers did really well... i think we harvested 800-1200 lbs of cucumbers through the summer. we had so many that people wouldn't take them any longer. i did all the dill pickles we wanted. i hope we don't grow as many this season.
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Post by reed on Dec 25, 2019 4:33:18 GMT -5
I grew Iron Lady this year, flavor was not great but better than expected. Also grew Celebrity which is advertised as resistant to several tomato diseases. Blight is very far from the only disease issue in my garden. Weather was very dry this year so I couldn't really tell if either one was or wasn't more tolerant, all my tomatoes did well. I kept seed from both to grow and dehybridize.
The heirloom Mr. Stripey is still about the most resistant tomato I grow, it just isn't an especially good producer. Celebrity made lots of tomatoes, I hope maybe someday a cross between the two might show up but I'll probably just wait for the bees to do it.
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Post by flowerbug on Dec 25, 2019 7:29:05 GMT -5
i don't think we have LB, but early blight which gradually progresses up the plant through the season. our heavy clay soil and all the fogs and dew we have is just a tough place to grow tomatoes. we have had some beautiful plants here or there for about the first month of the season. we plant late enough and only into warm soil so i've never tried starts outside in place. we have had a few volunteers show up from all the buckets of tomato processing we do. i bury everything to feed the worms in trenches and hope to get them down deep enough to not sprout, but after a few years i might move some of those seeds around. anyways, those starts are usually not where i want to grow tomatoes so i don't let them persist. since we usually are growing only one or two types of tomatoes i'm not sure what the chances are that any of the offspring are going to be much different. we are isolated a fair distance from all the neighbors (1/4 mile or more in almost all directions) and most of them do not garden that i can tell.
how much variation do you experience in an isolated population of tomatoes?
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Post by imgrimmer on Dec 26, 2019 10:46:39 GMT -5
I found many segregating seedlings from seeds from irregular shaped fruits. Beef-like fruits on otherwise plants with perfectly round tomatos seem to be more likely to be crosspollinated.
In the beginning I picked these fruits because I wanted to select towards beef type fruits. It turned out that these seedlings change shape colour and other features from year to year
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Post by carmeno on Feb 18, 2021 8:33:59 GMT -5
My experience growing tomatoes, in Northern Minnesota, is that the best for my area are those that originated in Siberia, which is as cold as it gets. I originally got them from tomatofest.com. I now just save the seeds. I do grow others but expecting them to not produce a lot before cold season starts here.
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Post by imgrimmer on Feb 18, 2021 13:04:04 GMT -5
Last years direct seeded tomatoes. These are from seeds of an volunteer from previous years. They experienced frost in the beginning. I sow in march 20. Many different fruit shapes and different in late blight tolerance.   |
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