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Messages - kumin

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1
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: Today at 01:44:45 PM »

Variation in cold sensitivity among Bishop Citrandarin seedlings



Grafted Conestoga 011, 010, 006 and 001 Segentranges have built up some caliper. A number of these flowered late in the Summer and should fruit next year.


US 1279 Fruits struggle to attain size and color this late in the season.
 

2
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: Today at 08:33:25 AM »
058 is less hardy than the unnamed tree with large fruit. 067 is somewhat like 058 in appearance, but hardier. 067 survived outdoors last Winter at 2F in very windy conditions. Neither of the two have fruited at this point, but I anticipate flowering within a year or two.

3
Citrus Buy, Sell, & Trade / C-35 fruits
« on: November 28, 2023, 08:24:57 PM »
Does anyone have a few ripe C-35 fruits to send for comparative purposes? I have a tree with uncertain parentage I'd like to determine whether it's actually a C-35 tree or not.

4
Cold Hardy Citrus / Re: Citrus garden at 48.5N
« on: November 25, 2023, 04:50:46 AM »
Great looking fruit, Illya. You're getting good results from your breeding efforts. Do you have an approximate count on the number of Citrus plants you have in total?

5
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 22, 2023, 05:01:33 PM »
Fruit of the unidentified tree that's either a Nucellar C-35 seedling, or an F seedling of C-35. These are the largest fruits of any of my selections. Approximately 30% were seedless, with an average of 6 seeds per fruit. The Brix reading was only 9.5. However, the fruits are very juicy, yielding 24 oz of juice per 12 fruits. There was practically no wax inside, unlike 5* Citrumelo.5* Citrumelo had noticeable wax, but was sweeter than these fruits.

These are the first fruits on a 5 year old seedling. I'll be propagating some of these in the Spring and will also do a test for Zygotic embryony in early Spring.






 5* rinds have slightly lower juice content due to thicker rinds and internal membranes. :blank:

s.



The spent Citrange rinds are empty with no wax accumulation on the juicer cone.



6
I found no difficulty using Meyer as the seed parent in trifoliate hybrid crosses.

7
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 13, 2023, 09:02:29 PM »
F seedlings from C-35 Citrange. These are self-pollinated Conestoga 010 seedlings showing mixed leaf types, including trifoliate, bifoliate and monofoliate.  It appears that unlike Conestoga 026, Conestoga 010 may have a percentage of zygotic seedlings.







8
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 13, 2023, 08:57:18 PM »
F seedlings from C-35 Citrange. These are self-pollinated Conestoga 010 seedlings showing mixed leaf types, including trifoliate, bifoliate and monofoliate.  It appears that unlike Conestoga 026, Conestoga 010 may have a percentage of zygotic seedlings.







9
I don't think I've got any grafted Poncirus+ left, but I have seedlings as well as seeds. I also have Meyer X Conestoga segentrange hybrids, but the latter won't be available until they've been tested for cold hardiness.

If you're interested, you can send me a pm.

10
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 12, 2023, 04:38:38 PM »
Photos of several Meyer lemon X Conestoga 026 seedlings changing leaf colors as colder weather approaches. Some of these seedlings are trifoliate, others exhibit monofoliate, bifoliate as well as mixed leaf types.






11
Getting a good grasp on the phenomenon of Nucellar vs Zygotic embryony is nearly a requisite for the selection of prospective breeding stock. There may also be a considerable advantage to beginning with the hardiest edible parents. Satsuma are a quite hardy group of cultivars. Low seed production coupled with considerable nucellar embryony are downsides to Satsumas as seed parents. Meyer lemon is hardier than Ponderosa lemon. Meyer produces 100% zygotic seedlings as a seed parent.

I've found Poncirus+ seedlings to begin fruiting at 3 and 4 years of age.

12
Cold Hardy Citrus / Re: First bloom of my citrumeloXichanagensis hybrids
« on: November 08, 2023, 01:01:57 PM »
A high seed count zygotic parent may be desirable if it's eventual progeny have a lower count. Do you have any specific breeding partners in mind for further breeding projects?

13
Cold Hardy Citrus / Re: First bloom of my citrumeloXichanagensis hybrids
« on: November 08, 2023, 11:42:38 AM »
Excellent, Ilya clear difference in appearance, are you going to test for Zygotic embryony?

14
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 03, 2023, 06:57:57 PM »
Thanks, Ilya, next Spring I hope to use 5* as a female parent in crosses. I actually do have a number of 5* fruit resulting from crosses with Bishop Citrandarin and Conestoga 010 pollen.

15
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 03, 2023, 03:49:37 PM »
Gordon, the largest fruited selections aren't fully ripened. Most of the smaller ones are ripe. These will be allowed to further ripen for 2-3 weeks before testing. This being the first year some of them are fruiting means I'll be testing their seedlings for Zygotic percentages. Following this year there should be a few available for tasting by other interested individuals.

16
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 02, 2023, 05:52:34 PM »
The most vigorous seedling produced 37 fruits which were harvested yesterday. The largest fruit has a diameter just under 3 inches (7,4 cm).



I'm still uncertain whether this tree is a Nucellar C-35, or a Zygotic seedling. I hope to do a seed germination test to help determine its status.
The tree is 5 years old and is fruiting for the first time.


The following photos are of 5* Citrumelo fruits from 4 year old seedlings. This is the 2nd year these trees are fruiting. The largest fruit is 2.5" in diameter.




17
Citrus General Discussion / Re: Pictures of flowering seedlings
« on: October 25, 2023, 11:57:08 AM »
Thank you very much Kumin. That's awesome

May I add a few questions?

 you just let the seeds germinate and grow and then they flowered after 3 years ?
Or did you try to accelerate the process by grafting the seedlings to a stronger plant or by using another special method ?

Are the seeds speciale? I mean were they selected for being specially fast flowering or for being a good rootstock or something like this you think? (Citrange and citrumelo are mainly use for rootstock right?)

Does someone have images from a seed from an eating fruit from the shops or from your garden (orange lemons pomelos pompelmo mandarine etc) that have flowered ?

Best regards
There was no special precocious breeding stock involved. The seedlings were planted rather closely together, which resulted in upright, tall growth. In most cases, the tallest trees fruited first.
Not all of the seedlings fruited this early. The shorter, more dwarfish trees haven't fruited yet. The trees in the unheated cold frame are fruiting about a year sooner than the same clones out of doors. Many of the first fruits appear following late season blooms.
As far as additional cultural practices, I never prune the trees until they set their first fruits.

18
Citrus General Discussion / Re: Pictures of flowering seedlings
« on: October 24, 2023, 06:56:49 AM »
3 year old 5 * Citrumelo seedlings tree in flower

 3 year old seedling tree Citrumelo in fruit

Fruits from 4 year old Citrange seedling.

Citrumelo fruits from 3 year old seedling.


19
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: October 20, 2023, 10:30:16 AM »
It hasn't been determined whether the most vigorous of the C-35 seedlings is a nucellar C-35 or a Zygotic seedling of the same. One earlier ripening fruit had 6 seeds. It made an acceptable drink when sweetened. But, I've also developed a strong tolerance for Poncirus flavors over the years.
The largest fruit measures 2.91 inches in diameter. I've counted 35 fruits on this 5 year old seedling. The fruits are partially hidden and the previous counts were lower.


















20
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: October 01, 2023, 07:56:43 AM »
Conestoga 011 is a Tetraploid selection that is just beginning to transition to the mature reproductive phase. Upon examination of the first flower it's noted that there's no pistil present. This isn't unusual for the first flowers.

011 produces the largest thorns of all my Citrus. This may relate to the Tetraploid state.



 ;D ;)

21
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: September 26, 2023, 05:34:09 PM »
Both are grafted, as is all my stock except for seedlings. However, these aren't high grafted.

22
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: September 26, 2023, 05:03:03 PM »
Conestoga 067 survived 2F with high winds last December. Many of the leaves are monofoliate.


Conestoga 058 has mostly monofoliate leaves and is less hardy than 067.


23
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: September 26, 2023, 04:50:36 AM »
I would suspect the monofoliate survivors to have a greater likelihood of being palatable. The leaves of at least one of them has a more fragrant scent than most of the other selections.
On another note, the 5 Star Citrumelo seedlings show considerable variation in fruit size as well as productivity. I was impressed with the precocity of several of them.
5 Star Citrumelo fruits


24
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: September 26, 2023, 04:47:20 AM »
I would suspect the monofoliate survivors to have a greater likelihood of being palatable. The leaves of at least one of them has a more fragrant scent than most of the other selections.
On another note, the 5 Star Citrumelo seedlings show considerable variation in fruit size as well as productivity. I was impressed with the precocity of several of them.

25
Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: September 25, 2023, 04:12:55 PM »
There are 2 selections that are predominantly monofoliate 058 and 067. 067 survived the past winter out of doors, with modest damage.

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