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Post by walt on Oct 19, 2018 14:58:34 GMT -5
Dry it and it will last quite a while. Dry it and freeze it and it will last forever, more or less.
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Post by imgrimmer on Oct 31, 2018 10:55:08 GMT -5
I found some fruits of Pennelli x Fern F2. They are tiny. Not sure if they conain viable seeds.
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Post by keen101 (Biolumo / Andrew B.) on Nov 10, 2018 6:09:54 GMT -5
I wonder if simply emasculating and pollinating hundreds of fruits would beat the odds? If all else fails I will resume the project with fresh plants that I can reasonably expect to survive to out-planting early next year. It might also be fun to try keeping some of these plants going. Perhaps with cuttings. www.gardeningknowhow.com/edible/vegetables/tomato/starting-tomato-cuttings.htmThough Andrew has reported poor results with that and wild tomatoes. I suspect it would. Pennellii is something like 4% self compatible even with all the self incompatibility genes. Perhaps peruvianum or others are the same. So yeah lots of pollinations could beat the odds. Yeah a lot of the wilds are terrible with cuttings. I heard that scarring joints before taking cuttings could help. I had one peruvinaum cutting work out of several last year. I probably got lucky with a joint that rooted. The same is what they do with cactus pads when you cut off a pad for using as rootstock. They cut the pad off and let it develop scar tissue before planting in soil to root.
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Post by steve1 on Jun 20, 2019 5:44:33 GMT -5
So are you guys trying congruity backcrossing with your interspecies hybrids? With the self incompatability genes, you'd need another compatible line - but crossing back to each parent in turn over 4 generations might sort your infertility issue (if its pollen related). It was the recommended strategy for pollen infertility issues in tepary x vulgaris beans. And another random thought, maybe germinate the pollen on a compatible stigma for a period (4-24 hrs), then use that stigma to pollinate the F1, F2... Germinated pollen bypasses stigmatic incompatability. Might cut down the numbers game. I'd be interested to see how it goes...
Cheers Steve
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Post by keen101 (Biolumo / Andrew B.) on Jun 20, 2019 13:29:45 GMT -5
So are you guys trying congruity backcrossing with your interspecies hybrids? With the self incompatability genes, you'd need another compatible line - but crossing back to each parent in turn over 4 generations might sort your infertility issue (if its pollen related). It was the recommended strategy for pollen infertility issues in tepary x vulgaris beans. And another random thought, maybe germinate the pollen on a compatible stigma for a period (4-24 hrs), then use that stigma to pollinate the F1, F2... Germinated pollen bypasses stigmatic incompatability. Might cut down the numbers game. I'd be interested to see how it goes... Cheers Steve That's a very interesting idea! I might have to try that. I have 1 pennellii hybrid f3 generation. This year might be a wash in terms of other tomato crosses. Just too much going on this year, but hopefully I can put in some raises beds at the new house we are renting. Apparently I have to go through an architecture committee first. HOAs are terrible.
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Post by nicollas on Nov 26, 2022 3:13:39 GMT -5
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