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Post by pierrer on Jan 19, 2014 10:39:06 GMT -5
In order to get more genetical diversity I play with cucurbita crosses since 10-15 years.
First remark interspecies crosses are much easier than usually said.
And are to occur naturally.
Most hybrids including tetsukabutos have reduced (to no) fertility with empty fruits and/or empty seeds.
Flesh quality is usually not better than the lesser parent.
F2 have normal to no fertility.
If backcrossed to the same species fertility can be restored even with (some?) introgression.
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Post by Gianna on Apr 26, 2016 10:14:23 GMT -5
I grew a lot of kabochas this year - mostly unknown seed from store-bought squashes. There was a great degree of variability and while they all looked like kabochas, the quality was too variable for my preference. Some were great, but too many lacked top-notch flavor. I had been reading good things about tetsukabuto and found some reasonably priced seed mid season, and planted 6 seedlings out around Aug 1. We have a long season (It's been sunny and in the 80s this past week) so I thought I would give a few a try. Even late, I found the vines to be far more vigorous than the other kabocha types I grew. I have not yet tasted the fruits (they are still on the now-ratty looking vines) and then they need to cure. They certainly won't be as good as full-summer grown, but I'm looking forward to trying them. Maybe at Christmas.  I personally prefer the dry-nutty-sweet kabochas and hope the testsukabuto grown here in SoCal lives up to it's press. A follow up. The hybrid tetsukabutos are now my favorite squash. I would not call the ripe orange flesh particularly 'dry', but they are wonderfully flavorful. The skins are not tough and their texture adds to the eating experience.
They do very well here (frost-free foothills, SoCal, the avocado belt) and taste better than others I have tried (which isn't that many). The vines are vigorous and grow late into the season. With proper watering, I suspect they would keep producing quite late, but with no summer rains, that's not always an option. They also keep extremely well. Last year, even with the drought, it was one of the few things I grew. This year I planted even more, and with heavy mulch, I'm hoping to get even more.
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Post by xdrix on Dec 31, 2019 12:11:19 GMT -5
Next year i will try to make an hybrid with tetsukabuto. I dispose of the varietys Red kuri Blu of hungary F2 of justynka f1 between red kuri x winter sweet f1 And a unkown variety a little green fruit who look like to delica  Winter sweet f1 has been a f2 of delica. Winter sweet f1 has been hybrided with red kuri. I sow 2 of winter sweet f1 and i have obtain a fruit red justynka f1 and the fruit green. I would like to make the best cross with Tetsukabuto possible. For moschata i dispose of the variety violina  |
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Post by xdrix on May 5, 2020 10:09:12 GMT -5
My future croce breading will be tetsukabuto x violino rugosa. There,is two late plant but she could have a very good taste.
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Post by wyspinner on Jun 18, 2020 11:53:03 GMT -5
This has been an interesting read. I have always avoided growing winter squash due to space restraints. Rearranged the whole garden area this year and found room for 3 hills. I have Winter Sweet, Tetsukabuto, and Bon Bon growing in large grow bags set side by side. Of course Winter Sweet and Bon Bon are both hybrids so not sure they would be good to play with. I am also growing Trombincino for the first time which I have read is a mediocre winter squash but good summer squash and is actually a Cucurbita moschata so it could be interesting to play with.
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Post by xdrix on Jun 18, 2020 13:03:20 GMT -5
I have hybrided winter sweet f1 with red kury and i have get justynka f1. www.kcb-samen.ch/product.php?products_id=910602And various squash two-colors (-photo above) green and orange. And one fruit totally green with a stranger leaf. The blue is recessive. No blue fruit. plant2   |
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Post by xdrix on Nov 2, 2020 15:27:44 GMT -5
Why do not try to hybrided again tetsukabuto with his f2?
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Post by xdrix on Apr 9, 2023 10:13:01 GMT -5
I don't know if this topic is again current and if someone is again here.
I have tryed to crossed tetsukabuto with violino rugosa.This cross look viable and very tasty.
A little late but very cool.
I will grow the third generation this year.The f3 are more vigorous than the f2 i think its good sign.
Agzin more funny i will tryed to cross the f2 with the f3 this year.
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