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  • From: Anton Callaway <marillen@earthlink.net>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Pear Rootstock
  • Date: Sun, 13 Jan 2008 08:16:52 -0500 (GMT-05:00)

Doug,

That is a very interesting observation regarding the influence of rootstock
on secondary blooming. Do you (or anyone else) know of publications
supporting this, or observations in other parts of North America (especially
the Southeast US)? Most of my cultivars were carefully chosen to be blight
resistant, which probably indirectly also selected for reduced secondary
bloom tendencies of the scion. However, I noticed that 'Eldorado' was
especially prone to secondary blossoming. Did you ever see this dramatic
reduction using quince for 'Eldorado'? How many cultivar/rootstock
combinations were used for the comparison?

Best regards,

Anton

-----Original Message-----
>From: Douglas Woodard <dwoodard@becon.org>
>Sent: Jan 13, 2008 4:36 AM
>To: nafex@lists.ibiblio.org
>Subject: Re: [NAFEX] Pear Rootstock
>
>If fireblight gets to the rootstock of a pear tree on quince rootstock
>the tree is finished, however:
>
>a major route for fireblight infection is secondary blossom. Pear trees
>on quince rootstock have essentially no secondary blossom and are
>therefore much less likely to be infected with fireblight.
>
>Doug Woodard
>St. Catharines, Ontario, Canada
>
>
>
>Anton Callaway wrote:
>> I grew several pears on quince in N. GA & NC's piedmont. If quince
>> suckers, then there is increased blight risk because the blight can
>> circumvent the scion, even if the scion is resistant. However, my
>> quince-grafted trees rarely suckered, so I didn't see much increase in
>> risk. Nevertheless, I put my pears on OHxF 51 when it was available (it's
>> not anymore) & now use OHxF 513.
>>
>> Anton
>> Zone 8
>>
>> -----Original Message-----
>>> From: Donna &/or Kieran <holycow@cookeville.com>
>>> Sent: Jan 11, 2008 9:50 AM
>>> To: North American Fruit Explorers <nafex@lists.ibiblio.org>
>>> Subject: Re: [NAFEX] Fwd: Pear Rootstock
>>>
>>> The discussion on rootstocks effect on FB and info provided by Ethan
>>> Natelson is very timely for me, as I am wavering between two nurseries
>>> with
>>> pears on different OhxF rootstocks. I'd like to hear any more comments
>>> on
>>> this subject. I have asked Annie Black at Hidden Springs Nursery for 20
>>> quince rootstocks. (You might want to see if they will have more left
>>> over,
>>> their email is hiddenspringsnursery@hotmail.com) Annie tells me that
>>> though
>>> quinces have their health problems here, they have never had one die from
>>> fireblight. I have read that if FB on a pear scion spreads far enough,
>>> it
>>> can kill the quince rootstock. Yet from what you all have said, dwarfing
>>> rootstock slows pear growth enough that FB is less of a problem. I
>>> realize
>>> I'm not going to get away with growing Bartletts, but do you think I can
>>> get
>>> away with some of the better quality, moderately FB resistant pears?
>>> I see Vintage Virginia Apples has both Blake's Pride and Shenadoah but
>>> on OHF x 97 "Pyrus, standard rootstock for European and Asian pears.
>>> Trees
>>> will be vigorous and near standard size. Productive, well-anchored and
>>> disease resistant." Burnt Ridge has only Blake's Pride, but it's on OHF
>>> x
>>> 33. Maybe you all know some other things I should weigh in my decision?
>>> My
>>> son Dave says that Burnt Ridge is their favorite nursery, and the people
>>> there are wonderful. When Dave mentioned to the owner he'd been to
>>> Tennessee and seen a huge kiwi vine there, the owner asked, "Was that at
>>> Hector Black's place?" Well, yes it was. Small world, eh?
>>> I personally would like some little pear trees for a change. I know
>>> what they are capable of, and I have seen some old dwarf pears in my time
>>> as
>>> well, and much prefer the latter if I'm going to have to actually pick
>>> the
>>> fruit, prune, etc.
>>> I await your comments with bated breath! Donna
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  • Re: [NAFEX] Pear Rootstock, Anton Callaway, 01/13/2008

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