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  • From: "Dr. Ethan Natelson" <natelson@pipeline.com>
  • To: nafex@yahoogroups.com
  • Subject: Re: [nafex] For a pear expert
  • Date: Thu, 12 Apr 2001 19:49:26 -0400 (EDT)

Dear Helene,

The type of shoots you describe along the trunk are common on Pyrus
calleryana and Pyrus betulaefolia - particularly younger trees, so I would
imagine P. usserensis to be no different. Just rub or cut them off. I have
also occasionally had the buds fall out when the pear graft seems successful
but the scion wood rather old. I think you need to start over with these
grafts.

Regards, Ethan (Zone 9)


At 04:35 PM 4/12/01 -0400, you wrote:
>Greetings!
>Here is a big problem!
>I was pruning yesterday when I noticed that a few of my pyrus ussuriensis,
some of which are top grafted with different varieties, were growing new
shoots along the trunk. The tops are alive and look good and healthy. The
trunks (average 2" in diameter) are kind of scaly, but I think they are
supposed to look like this. The top branches are smooth and greyish, so are
the new shoots along the trunk (some of which are close to a foot in length).
>
>This brought me to a halt.
>
>I always though that pyrus don't produce adventis shoots, the way malus
does. I mean a spontaneous bud, to produce a branch where there was none.
There are not too many pear trees growing around here to inspect and I read
many times in books that pyrus don't produce spontaneous buds.
>
>Then, how come new shoots are coming out of nowhere along the trunk? Up to
now, I had only noticed sometimes new shoots coming out from the roots. I
have at least three pyrus ussuriensis that sent a few odd shoots out of the
side. And I should add that I also noticed a Luscious grafted onto unknown
rootstock that has a shoot in the Luscious part of the trunk.
>
>(we did have a very rainy season last year...)
>
>Question number two.
>Two years ago, I budded some Comice material that had been lost in the mail
and had taken at least three weeks to reach me. The person who had send the
branches had not cut the leaves and when I finally got the material, the
buds look pretty dried up. I budded them anyway (chip budding). Some took,
at least the wood part, but instead of a bud, in the middle of the wood
piece, there is a hollow part where the bud should have been. In other word,
I have live Comice wood integrated into the tree, with no buds on it. I have
a few of these. After the second winter, the wood still looks good. It's
alive and calloused and is part of the tree. I was planning to cut those
branches with the chips on them, in a few weeks, and graft some new material
of a different variety to replace the unsuccessful budding. Is it worth
waiting to give those chips a second chance ....?
>Please give me some advice on this subject.
>
>Thank you very much,
>Hélène
>Zone 3
>
>
>
>
>
>
>
>
>
>
>
>
><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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><META content="text/html; charset=iso-8859-1" http-equiv=Content-Type>
><META content="MSHTML 5.00.2919.6307" name=GENERATOR>
><STYLE></STYLE>
></HEAD>
><BODY bgColor=#ffffff>
><DIV><FONT face=Arial size=2>Greetings! </FONT></DIV>
><DIV><FONT face=Arial size=2>Here is a big problem!</FONT></DIV>
><DIV><FONT face=Arial size=2>I was pruning yesterday&nbsp;when I noticed
that a
>few of my pyrus ussuriensis, some of which are top grafted with different
>varieties, were growing new shoots along the trunk. The tops are alive and
look
>good and healthy. The trunks (average 2" in diameter) are kind of scaly, but
>I
>think they are supposed to look like this. The top branches are smooth and
>greyish, so are the new shoots along the trunk (some of which are close to a
>foot in length). </FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV><FONT face=Arial size=2>This brought me to a halt. </FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV><FONT face=Arial size=2><EM>I always though that pyrus don't produce
>adventis shoots, the way malus does.</EM> <EM>I mean a spontaneous bud, to
>produce a branch where there was none. </EM>There are not too many pear
>trees
>growing around here to inspect and&nbsp;I read many&nbsp;times in
>books&nbsp;that pyrus don't produce spontaneous buds. </FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV><FONT face=Arial size=2>Then, how come new shoots are coming out of
nowhere
>along&nbsp;the trunk? Up to now, I had only noticed sometimes new shoots
coming
>out from the roots. I have at least three pyrus ussuriensis that sent a few
odd
>shoots out of the side. And I should add that I also noticed a Luscious
grafted
>onto unknown rootstock that has a shoot in the Luscious part of the
>trunk.</FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV><FONT face=Arial size=2>(we did have a very rainy season last
>year...)</FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV><FONT face=Arial size=2>Question number two.</FONT></DIV>
><DIV><FONT face=Arial size=2>Two years ago, I budded some Comice material
>that
>had been lost in the mail and had taken at least three weeks to reach me.
>The
>person who had send the branches had not cut the leaves and when I finally
>got
>the material, the buds look pretty dried up. I budded them anyway (chip
>budding). Some took, at least the wood part, but instead of a bud, in the
middle
>of the wood piece, there is a hollow part where the bud should have been. In
>other word, I have live Comice wood integrated into the tree, with no buds
>on
>it. I have a few of these. After the second winter, the wood still looks
>good.
>It's alive and calloused&nbsp;and is part of the tree.&nbsp;I was planning
>to
>cut those branches with the chips on them, in a few weeks, and graft some
>new
>material of a different variety to replace the unsuccessful
budding.&nbsp;Is it
>worth&nbsp;waiting to give those chips a second chance ....?&nbsp;
</FONT></DIV>
><DIV><FONT face=Arial size=2>Please give me some advice on this
>subject.</FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV><FONT face=Arial size=2>Thank you very much,</FONT></DIV>
><DIV><FONT face=Arial size=2>Hélène</FONT></DIV>
><DIV><FONT face=Arial size=2>Zone 3</FONT></DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><DIV>&nbsp;</DIV>
><br>
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  • [nafex] For a pear expert, H.Dessureault, 04/12/2001
    • <Possible follow-up(s)>
    • Re: [nafex] For a pear expert, Dr. Ethan Natelson, 04/12/2001

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