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Messages - Ilya11

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Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: June 21, 2022, 10:31:35 AM »
Do you have an experience with Meyer hardiness?
 In US it is considered more hardy than regular lemons, but strangely enough, when I tested several Meyer clones available here in Europe, they all turned out to be  less resistant than Eureka.

Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: June 21, 2022, 03:05:08 AM »
Meyer lemon fruits pollinated with Poncirus+ and 5* Citrumelo pollen. All the seedlings should be hybrids.
From my experience Meyer's flowers should be castrated very early since it shedding pollen well before flower bud opening.

Graft  it to the regular poncirus, it improves growth and resistance.

Citrus General Discussion / Re: looking for interesting varieties
« on: May 11, 2022, 04:06:05 AM »
hello everyone, I'm a beginner citrus grower, my name is Daniel, I'm 16 years old, I live in Russia, I want to collect a collection of interesting varieties, can anyone share the branches for vaccinations?🥰
Hello Daniil,
It will be extremely difficult for you to get this stuff from abroad especially under this terrible  and barbaric war circumstances.

Cold Hardy Citrus / Re: Monoembryonic Hardy Orange?
« on: April 27, 2022, 03:05:36 PM »
"There are plenty of citrus varieties that usually have only one seedling, but whose seeds contain multiple embryos. "

Could you please give such example.

Cold Hardy Citrus / Re: First fruits of Citrumelo 5star x Morton cross
« on: March 26, 2022, 08:36:48 AM »
This one looks like a nice cross.
Are there any images of the plant and fruits?
Images are the collateral victims of Russian invasion of Ukraine.
They were stored at that is now down.

Citrus General Discussion / Re: Sukari orange (sweet Egyptian orange)
« on: February 25, 2022, 07:48:11 AM »
But UCR description has not mentioned its acidless nature

More detailed description

Citrus General Discussion / Re: Kucle
« on: January 27, 2022, 02:14:02 PM »
For me it is awful.

Cold Hardy Citrus / Re: First fruits of Citrumelo 5star x Morton cross
« on: January 05, 2022, 04:58:33 PM »
Last two seasons have not brought any improvements in fruit quality.
Summer of 2020 was very dry  while 2021 was wet and cold and both these conditions resulted in reduction of fruit internal  flesh.

Cold Hardy Citrus / Re: Hybrid Nin-Kat-MandarinXPoncirus
« on: December 13, 2021, 09:35:18 AM »
The fruit reached maturity by now.

Good fruity smell without poncirus note, juicy, acid,  bitter like calamondin, a little bit of internal oils sticking to the dents.

Cold Hardy Citrus / Re: hybrids with precocious Poncirus
« on: November 30, 2021, 11:42:32 AM »
Very  interesting, have you tried to graft it to something else?

Citrus General Discussion / Re: Flamingo Red Pummelo..Seedless ??
« on: November 27, 2021, 10:43:19 AM »
pagnr, your description  probably came from here, but in  scientific publication Flamingo variety from Israel is something else (ChandlerXTaihitian cross).
Never actually have seen Flamingo available in Europe.

Cold Hardy Citrus / Re: Hybrids
« on: November 24, 2021, 03:10:45 AM »
Is it F2 seedling of your own F1 PomeloXPT cross?

Cold Hardy Citrus / Re: Hybrids
« on: November 23, 2021, 06:31:39 PM »
This is the first year this F2 Pomelo x Poncirus has fruited.

Is it F1 or F2?

Cold Hardy Citrus / Re: Hamlin x Flying Dragon
« on: November 22, 2021, 01:03:26 PM »
My guess is that  the seedlings of Andreas and Robert are  similiar, both  most probably of nucellar origin.

Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 11, 2021, 11:53:32 AM »
It really depends on the variety.
With hybrids of 5star I systematically observed the first flowers on the top branches in-curved to grow horizontally, while on ichangensis, its hybrids  and Thomasville it starts on the lower horizontal branches.

Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: November 09, 2021, 03:53:24 AM »
I got a bit of shock today as I was watering my seedlings in the cold frame. I happened to look up at the roof plastic film and did a double take. One of the  31 month old 5* citrumelo seedlings has 4 fruit in the upper branches. I consider this to be quite precocious. The tree is a bit over 9 (3 M )feet tall. The tree likely flowered a bit late as the fruit aren't ripe at this time. So I suppose it's a precocious citrumelo! This tree was germinated from seed in April 2019

Thanks Ilya, this tree originated from seed you provided.

Congratulations, 3m growth in two years is quite an achievement.
This probably explains the precocious fruits.
In my climate 5star seedlings  usually start flowering at this height, but it is reached only in 5-6 years.
Since these fruits are still green, they probably come from the late flowering in summer.

Cold Hardy Citrus / Re: hybrids with precocious Poncirus
« on: November 04, 2021, 06:11:58 PM »
I noticed some strange incompatibility of precocious poncirus.
It can be grafted and successfully grown on standard poncirus roots, but  when  grafted to 5star citrumelo, grows several centimeters before dropping its leaves. I have such graft that is dormant already  for two years.

Citrus General Discussion / Re: Is this HLB?
« on: November 02, 2021, 09:58:35 AM »
Do not see any photo. >:(

Cold Hardy Citrus / Re: F2 citrange winter hardiness trial
« on: October 26, 2021, 09:30:40 AM »
Nice plants with very strong growth over summer. 
A striking demonstration how different are the climates for same zone at East Coast and in the Western Europe.

Cold Hardy Citrus / Re: Hybrid Nin-Kat-MandarinXPoncirus
« on: September 24, 2021, 12:07:17 PM »
Discovered this week two small fruits, probably from the late secondary flowering

They were in open ground in the South of France this winter.
Three survived of rather harsh conditions with strong Tramontane winds and several nights of -3C that was quite unusual there. I actually lost my Taitian pomelo that was grafted to volkameriana rootstock.
The hybrids are now around 1 meter tall, one of them is completely monofoliate.

A first link shows a hardy chance  seedling of grapefruit,  not a citrumelo.
Strangely, the picture on the second link is also of grapefruit because citrumelos have predominantly trifoliate leaves.

Citrus General Discussion / Re: poncirus trifoliata
« on: September 09, 2021, 11:50:18 AM »
Autumn is coming and it prepares to drop the leaves.

Yes, poncirus and some of its hybrids show a tolerance to the HLB infection.
This tolerance is polygenic , that is requires a presence of several resistance genes, some of them diminish attack by psylids, while other are controlling the infection.
 In SunDragon only some of these genes are present, so its resistance is lower than for the pure poncirus.
Still, this is quite remarkable achievement and probably a proof that  cold hardiness  trait can also be introduced to  conventional citruses without a loss of fruit quality.

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