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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 12:48 pm |
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| Sanguinello wrote: |
More, mostly citrus aurantium is used as rootstock, if a rootstock is used at all, and that citrus aurantium is propagated from cuts ... |
That is interesting, because without a tap root you would think the tree would be unstable if planted in the ground.
I know in Italy many of the lemons are rooted cuttings...
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Sanguinello
Gest
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| Posted: Sun 27 May, 2012 12:50 pm |
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In Japan the traditionally rootstock for satsuma is YUZU and NATSUDAIDAI ( citrus aurantium).
They combine much better than Poncirus and little extra hardyness does not count, for the satsuma will die long before the Yuzu or Natsudaidai will die.
In China Citrus Ichangensis is used, which is even a bit harder.
I have another idea about the heavy crop dieback :
I think artificial fertilizer was used.
The salt accumulates inside the plant.
That increases the amount of water inside the plant, and this lows down the hardyness. |
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Citruholic
Joined: 09 Mar 2009
Posts: 51
Location: Ukraine, Kiev, Crimea, Alushta
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| Posted: Sun 27 May, 2012 12:57 pm |
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| eyeckr wrote: | | I prefer to high graft and do not protect my trees during the winter so far it has been what has proven to work. |
High graft provide factor of mentor much better. Trifoliate saturates graft by antifreeze much more.
FD doesn't suit me, because i am going to have relatively high trees. At least 4-5 meteres in height. |
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 1:21 pm |
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My Sanbokan on Flying dragon. It stands about 7 ft tall and was run over by a car when it was small. It has never had any freeze damage at all.
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 1:23 pm |
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jrb
Citruholic
Joined: 30 Dec 2008
Posts: 165
Location: Idaho Falls, ID zone 4A
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| Posted: Sun 27 May, 2012 1:25 pm |
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| eyeckr wrote: |
Sylvian it is an interesting phenomenon concerning heavy fruit set and less cold resistance. Sometimes on branches with heavy fruit set not only will the scion die back but to the graft union, but carries that 'death' back a few inches down onto the trifoliate. |
I wonder if carbohydrate depletion plays a role in the die back when the fruit set is especially heavy and makes it difficult for the tree to produce new foliage after a hard winter.
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Sanguinello
Gest
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| Posted: Sun 27 May, 2012 1:28 pm |
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Great !
Does it taste well ???
Laaz, you see the typical bottleneck on FD and also that cancer like union ... that I meant by incompatility ... |
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 1:37 pm |
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Yes they taste great, like sweet lemonade. The fruit is almost as large as a grapefruit.
Yes they have the bottle neck, but it doesn't harm the tree & they have NEVER shown any freeze damage. They are loaded with fruit every year as eyeckr can verify.
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Sanguinello
Gest
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| Posted: Sun 27 May, 2012 1:41 pm |
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yes, I know it works .. but it also shows there is some trouble ...
Great !
Would love to get them, but it is not available in europe ...
Was hard enough to get the variegated Variegated Pink Lemon ... an old tree tossed out from a nursery for nobody liked the "strange lemons" made from his scions ... LOL
Breeder: That is a lemon I put away .. it has some strange colour pulp ... LOL |
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 1:45 pm |
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| Sanguinello wrote: | yes, I know it works .. but it also shows there is some trouble ...
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I wouldn't say trouble, it's just that the two varieties grow differently & at different rates.
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 1:48 pm |
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Sanguinello
Gest
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| Posted: Sun 27 May, 2012 1:55 pm |
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Oh ?
Do you also run that site ???
I am so open on it, that I almost feel home there already .. 
BTW, Citrus taiwanica looks also so cute ... |
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Laaz
Site Owner
Joined: 12 Nov 2005
Posts: 5668
Location: Dorchester County, South Carolina
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| Posted: Sun 27 May, 2012 2:07 pm |
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No Jorma runs that site, he is a member here as well.
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Sanguinello
Gest
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| Posted: Sun 27 May, 2012 2:08 pm |
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I C !
Lots of interesting people here .. |
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Millet
Citruholic
Joined: 13 Nov 2005
Posts: 6657
Location: Colorado
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| Posted: Sun 27 May, 2012 4:36 pm |
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Sanguinelo, wrote: ......"I have another idea about the heavy crop dieback :
I think artificial fertilizer was used".........
I seriously doubt that artificial fertilizer when used as directed, has any harmful effect towards citrus die back. 99% of all the worlds citrus is grown on artificial fertilizers.
I am not against organic cultivation, each to their own. A citrus tree cannot tell the difference between N-P-K supplied by chemical or organic type of fertilizers, because their is no difference. Nitrogen is nitrogen is nitrogen. The same for the ions of P and K. Chemically in either case, organic or artificial, they are chemically identical. - Milllet |
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