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Messages - tedburn

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1
Citrus General Discussion / Re: Moro vs. Tarocco vs. Amoa 8 vs. Fragola
« on: January 21, 2023, 07:47:35 AM »
I can tell that Tarocco is the best orange for me, very tender flesh and very good balance of acid and sweetness, nearly none acid and very good taste.
For me far better than Navels. Amoa, I don' t know.

2
Citrus General Discussion / Re: Dekopon/Sumo/Shiranui
« on: January 20, 2023, 01:57:52 AM »
I am picking the majority of my crop now and they are really fantastic.  The ones from my tree are twice the size of the ones I see at the store, not sure why, but they are really great.  Easy peel, sweet, seedless, and the peeled fruit is larger than my fist!  Each segment is about equivalent to a clementine's flesh.

Thanks Brian, very encouraging, I' m still not a Dekopon cultivater, but after your report I will get one  8).

3
Cold Hardy Citrus / Re: Cold Hardy Citrus Experiment Zone7A NJ
« on: January 16, 2023, 12:21:46 AM »
Thanks Nick, very interesting. Means cooked dead or do you think they recover ? Do you have pictures of the changsha and Morton ?

4
Cold Hardy Citrus / Re: Citrumelo
« on: January 15, 2023, 06:44:07 AM »
Thank you.  Does anyone have any experience with Citrumelo plants that are not grafted or any "citrus hardy" plants that are not grafted

Mike Adams

I think there are some members which have experiences with coldhardy citrus, but to receive answers you should ask more detailed what you are interested in. I e.g. I have a Yuzu since 3 winters in ground, froze to earth in winter after a low of - 15 C and has now recovered again or a Dunstan citrumelo seedlings two year old in ground took -13 C this winter - all survived, some with slight damages, others with none, depending on genetics and microclimate of place.

5
Can anyone help me identify this fruit on the tree. It may be a grapefruit or pomelo.

the shape looks a lot like my valentine

I will not be able to tell what fruit yet, when it is ripe I should be able to taste it.
This fruit is interesting in that it has the pitam (tip) that I don't see in most fruits.







6
Cold Hardy Citrus / Re: Hamlin x Flying Dragon
« on: January 10, 2023, 05:31:22 PM »
Thanks Ilya, so glad that I have Morton in my garden - now it still has to bloom  ;)

7
Cold Hardy Citrus / Re: Hamlin x Flying Dragon
« on: January 10, 2023, 12:56:18 PM »
So, after a month in room the fruit is completely yellow.



No seeds, rather thick albedo, skin has lemony perfume and  lost most of poncirus like odor.



Fruit is easy to juice



Juice has "soar" smell, no poncirus aftertaste, 12 Brix, bitter acidic taste,  very faint barely perceptible internal oils.

Very interesting Ilya. Nice success.
How would you rank the taste within your frosthardy crosses and other frost hardy varieties of you including Morton ?

8
Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 05, 2023, 03:51:02 AM »
Hardyvermont, thank you. Good information. Also interesting that Sugarbelle ( tangelo minneola?) can take so deep cold, thought that she get killed earlier.
Mine are 2 and 3 winters now in ground and the biggest are Sanford Curafora and Keraji with about 1,5 m hight.

9
Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 05, 2023, 01:59:11 AM »
8 F, 13 C was not cold enough to differentiate a lot between most hardy citrus.  Both types of 10 Degree Tangerine appear to be more sensitive to the cold than expected, leaves curled more than most.  Brown Select, Changsha, Keraji appear to have done well.  Sugar Belle will probably lose its leaves, but seems to have survived.
Interesting information, we also went down to 8 F in December and also have nearly no or no damage, but most of my trees have been fleece protected except Ivia and HRS899. Did you have your trees unprotected and how old are they. Interesting especially for Keraji and ten degree - thanks.

10
Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 03, 2023, 02:04:18 PM »
thanks, very interesting. I planted some 2 year old seedlings of Star ruby Grapefruit in front of my Glasshouse and protected them with air bubble fleece. I had inside the protection -8 C while outside we had - 13 after a few days with freeze and the seedlings had nearly no damage, so I was astonished how much they can take - and corresponds to your results with your Rio Reds.

11
Cold Hardy Citrus / Re: Citrus damage after freeze
« on: January 03, 2023, 03:42:36 AM »
interesting post, big job 😉.
Could you also measure the deepest temperatures which the different citrus has to support, this would be interesting to judge the frosthardiness which the digferent cultivars did take. I understand that the 2 F have been outside and not in the tunnels ?

12
Cold Hardy Citrus / Re: Is this sun scald?
« on: January 02, 2023, 02:06:36 AM »
I also have these white spots on some of my coldhardy in garden planted citrus after -13 C. Especially on the twigs of late summer, which are not fully hardened. But I agree that in combination with wintersun the damage gets quickly worse.

13
Citrus General Discussion / Re: Dekopon/Sumo/Shiranui
« on: December 31, 2022, 04:46:43 AM »
don' t think if it s  so difficult to grow them in Europe/Germany, I know some growers which cultivate them successful. The plant shoulb be available at the well known citrus sellers in Italy or France.

14
Citrus General Discussion / Re: Citrus Fruits - Ripe in SoCal December
« on: December 30, 2022, 09:57:22 AM »
very nice fruits Kaz, saw that you also have Kaboshu, had the chance to buy it in a store this month, taste was not too bad but no comparison to sweet mandarins. I was main interested because if cold hardiness, but taste and cold hardiness (for my zone 7) are not satisfying for my opinion.
What are you using it for, while your other fruits are all delicious and sweet ?

15
Cold Hardy Citrus / Re: fortunella margarita - kumquat cold tolerance
« on: December 30, 2022, 07:47:49 AM »
I think this should be no problem. I had this year 2 year ild seedlings of Grapefruit star ruby which took -8 C without much damage and we had 2 or 3 days with freeze also at daytime. And Kumquat as I know is more cold hardy.

16
Cold Hardy Citrus / Re: Citrus damage after freeze
« on: December 29, 2022, 02:48:32 PM »
Ill report on these on Monday, should be above freezing on Monday and should be straight.

It also would be interesting, how d the grafted plants are and how long they have been planted in ground - thanks

5* star citrumelo - Grafted
Dunstan citrumelo - own
Taitri - own
Ichang Papeda - Grafted
Dimicelli - Grafted
Ventura Lemandarin - own
Citrangremo -Grafted
F2 Cirus glauca/finger lime? - own
F2 Citrus australis - own
N1Tri x Citrus - own
Ichangstar60 x Citrus - own
Citrus hongheensis x Citrus - own
Razzlequat - own
Citrus taiwanica - own
Citrus glauca x shek - grafted
All grafted are on poncirus

I also have ornamental trees like Cinnamomum, and Persea I may report on.

17
Cold Hardy Citrus / Re: Big freezes and variety selection
« on: December 27, 2022, 02:50:39 PM »
Galatians, thanks for your comments.
I think adequate watering is also important for further cold resistance.
I didn' t found an article to the survivor citrus cultivars of the big freezes, what was my intention, but I found an other as I think interesting article.
https://blogs.ifas.ufl.edu/washingtonco/2014/01/11/satsuma-protection-in-cold-weather-extremes/

18
I also think, the trees will recover in spring summer. If no freezes anymore outside I would put them outside paybattention to the roots not watering to often and a feew days not too much sun.

19
Citrus General Discussion / Re: Christmas
« on: December 25, 2022, 10:00:15 AM »
A very Merry Christmas to all.  Jesus is born.

Thank you Millet, true and important - merry Christmas

20
Cold Hardy Citrus / Re: Citrus damage after freeze
« on: December 25, 2022, 09:31:32 AM »
@vnomonee and perplaxed, very interested in your results, though some damages are not seen now but only in april/ may. We had freeze in winter 2020/21 down to 3,6 F and after freeze I thought plants to be still green and don' t hit by freeze, but then they died until april/may.
We had a few days freeze in December down to 8,6 F (unusual for december) but up to now only a few new branches a little bit hurt, nearly no damages.

21
Cold Hardy Citrus / Re: Big freezes and variety selection
« on: December 24, 2022, 06:09:38 PM »
Yes perhaps HLB can move north, but hope this will hopefully not happen, in zone 7 we still have a lot to do
to handle the winter freezes  ::).
So the intention of my post originally was to get more information about the freezes 1962 and what resulted from thesee, which deepest temperatures at which locations and which varieties survived ? Does anyone more about that, or has someone links to articles about the freeze and the survivors.


22
Cold Hardy Citrus / Re: Big freezes and variety selection
« on: December 24, 2022, 01:35:43 AM »
1rainman, thanks for your post, very interesting, how every location had it s own difficulties. We don't have HLB (and don' t get it hopefully) but we have in z7 sometimes hard freezes, so that in ground planted varieties have to be very hardy, and early fruit ripening as e.g. satsumas.
Up to now we only still know one single variety which has these abilities, the Chimre Prag, a genetical mix of Poncirus and Satsuma. I have it in ground the 3. Winter but still no fruits yet, first flower this summer. But this variety is susceptible at my place to freeze and wintersun otherwise it gets bark cracks, needs protection.
What I didn' t know and didn ' t test in my place, that Pomelo is hardier than Grapefruit.

23
Cold Hardy Citrus / Big freezes and variety selection
« on: December 23, 2022, 04:39:51 AM »
Yesterday looking for more information to the big freeze 1962 and 1963 concerning the conditiond freeze time and freeze deepest temperatures and surviving varieties, but didn' t find useful information. Does anybody know sources with useful concrete datas ?
By the way I found interesting information to the freeze
1894  ;)
https://floridahistoryblog.com/the-great-freezes-1894-95-and-the-collapse-of-the-florida-orange-industry-7442e5d75337

24

[




A few F Citranges survived -11,8 F ( -24,5 C) in January 2019.



Kumin, you did really a extraordinary breeding and selection, not sure if Poncirus is really much hardier. Only a pity, that frosthardiness and edibility are still in a big distance and will need a lot of further time and work. To my knowledge the only citrus with excellent  fruit when ripe and really frosthardy citrus is Thomasville Citrangequat with hardiness about - 15 C but still one problem is that fruit ripens in spring and will be spoilt in winter freeze under -5 C.

25
First cold spell (hopefully the only) this winter brought several frostdays down to - 8,6 F / -12.9 C.

Quick fix:
-12.9 C is +8.6 F.

-8.6 F would be -22.6 C.

Poncirus can survive that, but you probably need a windbreak for it. With some luck, they've been found on the 5b/6a border.

Yes Bussone, your are fully right, temperature was +8,6 F, my head was perhaps already to early at the C

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