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Promiscuous auto-hybridizing tomatoes

 
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Just a few promiscuous tomatoes
 
steward
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Location: Cache Valley, zone 4b, Irrigated, 9" rain in badlands.
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Yesterday, I added a few photos to the promiscuous tomato section of my soon to be released book.

1-  When printed at 300 dpi these are actual size photos of a promiscuous tomato flower (huge) compared to a domestic inbreeding tomato flower (tiny).

2- Anatomy of a domestic tomato flower compared to a promiscuous flower.

3- Inbreeding pedigree of a domestic tomato breeding project. 1 to 1 cross to start off, followed by generations of selfing (inbreeding).

4- A previously added pedigree showing the many to many breeding system of the promiscuous tomatoes.
tomato-flower-thanks-Nicole.jpg
Tomato flower promiscuous vs inbreeding
Tomato flower promiscuous vs inbreeding
tomato-flower-domestic-vs-promiscuous.jpg
Inbreeding tomato flower vs promiscuous flower
Inbreeding tomato flower vs promiscuous flower
tomatoes-domestic.png
Inbreeding scheme used for breeding domestic tomatoes
Inbreeding scheme used for breeding domestic tomatoes
Tomato-pedigreee_ossi.png
Pedigree showing the many to many breeding scheme of promiscuous tomatoes. Followed by mass selection or sibling group selection.
Pedigree showing the many to many breeding scheme of promiscuous tomatoes. Followed by mass selection or sibling group selection.
 
pollinator
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Wasn't really sure if this post belongs in this thread but I found something that is either a screw up in planting or an example of promiscuous auto-hybridizing tomatoes. What makes it even more suspect is the original seeds came form Joseph Lofthouse but it was several years ago, too long I would think to be related to the more recent selection work on the promiscuous tomatoes unless maybe it comes form some of the same distant ancestors.

I've harped a lot about the tomato I call Utah Heart in honor of its origin. It is great big, extremely firm red heart tomato and the best for sauces and juice I have ever grown. It came to me those years ago in a pack Joseph had labeled as 'early all kinds". I figured it was most likely just one of those he started with and probably not really a recent cross at all. That was reinforced by the fact that it has stayed true to type ever since I first found it. On the other had it does have open flowers. Not extremely so but the stigma is generally exposed and the anther cone on some but not all flowers is open enough that the small bees really like it.

I had to cut the photo to highlight the subject area, there are about 50 Utah Heart seedlings in total in the tray pictured below. That one plant in the red box is very definitely not like the others. I'm 99% sure I did not mix up my seeds when planting so will be fun to see what comes from this plant.
OffTypeUH.JPG
Off Type Utah Heart Tomato
Off Type Utah Heart Tomato
 
Jeremiah Squingelli
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They're so ridiculously hairy, my heirloom tomatoes look naked next to them.


 
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You’re all making me want to breed my own tomatoes, and I do *not* have the space. ... how close can I pack the poor plants and still get fruit?.... 😅

....but you know, for my fantasy tomato breeding : someone mentioned a *floral* tasting Tomato (that needed improvement)!? Anyone know what var that could be?
 
pollinator
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Rowan Tyr wrote:You’re all making me want to breed my own tomatoes, and I do *not* have the space. ... how close can I pack the poor plants and still get fruit?.... 😅



Really close. 1 plant per square foot in garden. 20 in a clump. A five gallon pot for a full size or dwarf. Gallon or less for a micro dwarf. Ultra earlies tend to be quite small plants also. Smaller in a small pot.
 
Rowan Tyr
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William Schlegel wrote:

Rowan Tyr wrote:You’re all making me want to breed my own tomatoes, and I do *not* have the space. ... how close can I pack the poor plants and still get fruit?.... 😅



Really close. 1 plant per square foot in garden. 20 in a clump. A five gallon pot for a full size or dwarf. Gallon or less for a micro dwarf. Ultra earlies tend to be quite small plants also. Smaller in a small pot.



Shoot, already at that density. Ah well. Thanks
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