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Messages - mikkel

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1
I remembered it wrong. Sorry!  Ilya wrote that it has few seeds and is often seedless, but the seedlings are all different.

https://citrusgrowersv2.proboards.com/post/5121/thread

2
N1Tri is most likely not a direct I P x Poncirus hybrid, but rather an I P x (Citrus xPoncirus) hybrid.
I think Ichangquat 672 is highly nucellar. I think Ilya wrote that once.

3
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 17, 2024, 05:42:47 AM »
Unfortunately, this is only a hypothetical possibility.
In addition to the phytosanitary certificates, an import permit is required to import citrus material. And this is not granted.
I have corresponded with various officials and have also been told by the citrus institutes that an exchange between them is virtually impossible.

(The mention of import conditions is probably only included in the regulation for formal legal reasons. An absolute ban without exceptions is legally more difficult to justify than a conditional ban, but in practice it has the same effect as an absolute ban).

4
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 17, 2024, 03:09:06 AM »
Unfortunately, the import of any citrus material is prohibited. There is no import permit for citrus seeds. Only commercial fruit may be imported.

5
Cold Hardy Citrus / Re: My citrus collection [EU - Antwerp]
« on: June 15, 2024, 09:11:11 AM »
I used both as pollen parent. I didn`t noticed any incompatibilities.

This is how they came to Europe
https://lesbambous.fr/forum/viewtopic.php?t=13997

6
Cold Hardy Citrus / Re: N1triVoss
« on: June 15, 2024, 05:47:08 AM »
You will probably only find them through collectors. You can try https://citrusgrowersv2.proboards.com/.
If you are looking for a plant, you can find it in the nurseries

7
Cold Hardy Citrus / Re: Changsha mandarin opinions
« on: June 14, 2024, 12:58:12 PM »
Hi Jim,

I just asked the translator again. The correct english noun is potassium silicate.

Mikkel

8
Cold Hardy Citrus / Re: N1triVoss
« on: June 14, 2024, 06:40:43 AM »
Only at his home and at plant fairs

9
Cold Hardy Citrus / Re: Changsha mandarin opinions
« on: June 14, 2024, 02:48:42 AM »
the advantage of silicate solution is that the wood is virtually petrified, it becomes permanently solid, construction timber also becomes so hard again that it can be processed with machines, just like fresh wood.

I use this method to restore weathered window frames that would otherwise have to be replaced. The advantage for plants is that the damaged area can be overgrown again without leaving rotten areas inside

10
Cold Hardy Citrus / Re: Changsha mandarin opinions
« on: June 14, 2024, 02:08:55 AM »
Just a side note, such bark bursts can be treated with silicate solution, the silicate kills fungi and hardens soft tissue. Making it harder for pathogens to penetrate .
Repeated applications and a thorough soaking of the soft tissue are absolutely necessary, especially if there are already rotten parts of the wood.

Silicate solution can also be used to make rotten wood in buildings strong and stable again.

11
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 14, 2024, 02:00:37 AM »


US119 wurde in den USA in der Zucht benutzt, es gibt mindestens eine kommerzielle Sorte die von US119 abstammt.
https://tropicalfruitforum.com/index.php?topic=46394.0
für mich besteht der Wert von US119 fast nur in der Zucht, vor allem für eine Rückkreuzung mit Poncirus. Leider weigern sich meine Pflanzen  seit Jahren zu blühen.

12
Citrus General Discussion / Re: Early bloom?
« on: June 13, 2024, 10:38:03 AM »
I have one such seedling that began to bear fruit in the 3rd season. Others have never flowered since then.
It is worth experimenting, rapid growth is helpful in any case

13
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 13, 2024, 02:51:08 AM »
The exact parentage of this hybrid remains a mystery.
Eisenhut gives it as I P x (Pt x Satsuma). I also think it is unlikely that N1tri is a parent.
This plant dates from the same time as N1tri .
However, it seems that this hybrid hardly bears any fruit. So far I have not read any reports. My plant does not flower either.

14
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 11, 2024, 04:37:51 PM »
btw How are the FA5 fruits? Has anyone tested them?

FA5 is interesting because it is easy to propagate and already blooms as a cutting. The seeds are also zygotic, perfect for further breeding...

15
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 09, 2024, 04:41:07 PM »
wow!

BendiZao
https://www.inrae.fr/actualites/diffusion-du-materiel-vegetal

"Le catalogue des greffons pour les professionnels " page 11

this is the old INRA page

Ben Di Zao came as budwood from China

https://web.archive.org/web/20080506070559/http://www.corse.inra.fr/sra/30100582.htm


16
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 09, 2024, 03:24:55 PM »
BenDiZao is already available in Europe. I've seen it at INRA and maybe elsewhere. I also recently got Budsticks.
It's hard to find, but within reach :)

Do you know anything else about the French source of Jiouyuezao?

17
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 09, 2024, 02:47:03 PM »
BenDiZao is said to be somewhat hardier than Changsha.

18
Cold Hardy Citrus / Re: Cold Hardy Citrus Experiment Zone7A NJ
« on: June 09, 2024, 07:04:09 AM »




Citremon is taking off under protection and citrumelo is doing fine completely unprotected

is that the same citremon as stan has?

19
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 08, 2024, 05:51:07 AM »
Miyagawa is also quite early. From memory, I already had fruit in October

20
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 07, 2024, 04:59:40 PM »
did you also have seeds in miyagawa? despite cross-pollination I had no seeds in the last 2 years

21
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 07, 2024, 12:17:55 PM »
https://tropusikert.hu/arlista/novarlista/novarlista.html
If you visit them, please share your experiences. They also have some interesting Passiflora there that might be of interest to you.

22
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 07, 2024, 11:45:24 AM »
Overview of  pollen fertility by variety




https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5010215/

23
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 07, 2024, 04:42:06 AM »
if you are interested in Poncirus too, you could test this one, it is said not to be bitter, what ever this means
https://tropusikert.hu/arlista/novarlista/novarlista.html

24
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 07, 2024, 03:15:30 AM »
Eugen Schleipfer near Augsburg has several varieties otherwise hard to find. Plants are not in best conditions too. But if you repot them, fertilise and  keep them dry you will have some interesting varieties.
https://www.gelbeseiten.de/gsbiz/b0fd1ebe-d633-494c-b1d6-47742a4d6d0e
Schleipfer Eugen Gärtnerei Sedlweg 71, 86356 Neusäß

Zdenek Cernoch aka myplantbox.de also has interesting plant. Best is to ask him directly.
There are some italian nurseries that will send throughout Europe, even the smaller ones will do if you ask via email. In Italy you`ll find commercial varieties for a reasonable price. Savini Vivai has trees in fitocella, you can call them almost cheap
Vivergil in Spain is also a source but I had root issues on many seedlings. Maybe I just had bad luck

25
Cold Hardy Citrus / Re: Long term cold hardy citrus breeding project
« on: June 07, 2024, 02:25:19 AM »
Where do you live? Here in northern Germany, many trifoliate hybrid seedlings are hardy. It's mostly a numbers game. Some will make it.

I usually plant them in their second summer. They are still quite small then. I've decided there's no point growing seedlings in my little greenhouse if they'll never survive outside. The numbers get too big otherwise.
I only protect plants that I want to use in a breeding plan if I want to use the future offspring. Mostly these are seedlings that I hope will flower early.
Look out for greek mandarins and satsumas, they often have seeds. Spanish or Italian fruits almost never do.

Concerning US942. There are other sunki x Poncirus varieties here in Europe too. sunki hybrids are usually very sour (at least that's what I've read), which may be a disadvantage for your plans, so you'll have to plan for a few extra generations to get sweet fruit.
If you don't live in a cold spot, N1tri might be interesting for you to grow. The fruits are good, but have little pulp and the plant is also relatively hardy. It can also be used for cross-breeding. Violetta or N°3 from Voss are also suitable but much more sensitive to frost. But they give zygote seedlings that flower well and often, are edible and already have offspring that produce good fruit.
In Merano, South Tyrol, there is a violetta seedling that produces pomelo-like fruit, enormous in size. (The cold test in northern winter is still pending)

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