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Opinions on poncirus trifoliata root sensitivy

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Pancrazio:
Hi everyone,
this winter i have transplanted/moved/potted up some poncirus trifoliata i had in ground or crammed in a pot.
Usually i don't think much about moving and abusing of small leafless temperate fruit tree... when they are leafless, they do take root abuse quite well.
Well, in my humble opinion, this doesn't look the case when it come down to poncirus trifoliata.
I transplanted 7/10 plants, with some serious root pruning, from a small crammed pot to several bigger pot, but they haven't showed any sign of emitting new leaves... also, some of the bigger "flying dragons" seem to have similar problems.
Now, i'd like to know: it's just me, or this species look pretty sensitive when it comes to root pruning? Do you have had any similar experience?
Funny think is: i have a grafted yuzu on poncirus, and this one got serious root pruning too, but it's now pushing vigorously... i have also formulated the theory that in PT the storage of energy goes to roots during winter while in other citrus it says on leaves, but i can't explain in any way this difference of behavior.

Millet:
The more hardiness a citrus variety possesses, the slower it leafs out in the spring. This is true for flying dragon (FD) also.  As you probably already know, citrus, including FD,  grow in different flushes.  First leaf growth, then root growth.  each cycle takes about two months.  Having cut back your FD roots might cause a prolonged delay before you notice additional scion growth. Also FD grows much slower then other citrus.  Give your trees some time. Repost here again in a month or so as the summer growing season is a little further along. - Millet

Pancrazio:
Honestly, i didn't thought that as a possible explanation, this seems reasonable, the plant being repotted very late in winter. So they are actually flushing their roots right now. Well, i hope they are gonna leaf out soon, so i'll be able to graft them in september.

Mark in Texas:

--- Quote from: Pancrazio on May 07, 2016, 07:44:30 AM ---Honestly, i didn't thought that as a possible explanation, this seems reasonable, the plant being repotted very late in winter. So they are actually flushing their roots right now. Well, i hope they are gonna leaf out soon, so i'll be able to graft them in september.

--- End quote ---

FD is a PITA.  nuff said.........   :-\

Tom:
PITA ? What does that mean or stand for ? Thanks. Tom

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