North American Fruit Explorers mailing list at ibiblio

["del stubbs" <pinewoodel@hotmail.com>]

Victoria, no I don't know where to learn chill requirement, or even how to 
measure it. It never occurred to me in this climate it could be an issue. 
However, this winter it never got colder than minus 35, perhaps thats the 
problem. I pulled them out in april. We did have good snow cover, which I'm 
sure insulated the roots. Perhaps warm roots affect the chill tally?  That 
would be wild to take a tree to the local meat locker in June and tell him 
to store it a month cause our winter is too mild.     Mn. Del Z 2/3


>From: "victoria l. caron" <vicaron@gis.net>
>Reply-To: nafex@yahoogroups.com
>To: nafex@yahoogroups.com
>Subject: Re: [nafex] apricot shock treatment
>Date: Fri, 08 Jun 2001 16:01:01 +0000
>
>Del,
>Do you know what the chill requirements are for Manchurian Apricots? Maybe 
>you
>were really close to the limit when you brought them in and some had enough
>chill hours to break dormancy and others did not. If this could be the 
>case,
>maybe it's possible ??? to add on chill hours later. I don't know if it 
>works
>that way.
>vic NH zone 3
>
>del stubbs wrote:
>
> > Early this spring I dug and stored 14 two to three year old manchurian
> > apricots for grafting. A generous Nafexer sent me a number of hardy
> > varieties to graft, so I top grafted the now potted apricots. The wood
> > looked quite healthy. I kept them in a warm environment as instructed. 3 
>of
> > the 14 plants leafed out, with a success on those of only 2 grafts,  a 
>big
> > disapointment. Eventually I moved the potted apricots outdoors, and 
>figured
> > they were all mysteriously dead and ready to dump them.
> > Problem is, there is still green anywhere I thumb scratch the bark.  And 
>I
> > just saw the barest sign of a leaf showing on one. The temp is now 
>65-70. Do
> > they need some kind of shock treatment like is done for seeds to break 
>their
> > strange dormancy? The 3 that did leaf out look fine with 3" of growth.  
>Mn.
> > Del, dreaming of apricot jam.
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