North American Fruit Explorers mailing list at ibiblio

["Stephen Sadler" <Docshiva@Docshiva.org>]

That's what I recall: 25% of plants very susceptible, 25% of plants very
resistant, and the rest with some varying susceptibility.

Stephen Sadler, Ph.D.
USDA 9, AHS heat zone 8, 
Sacramento CA - Mediterranean climate

-----Original Message-----
From: nafex-bounces@lists.ibiblio.org
[mailto:nafex-bounces@lists.ibiblio.org] On Behalf Of Philip Stewart
Sent: Sunday, April 10, 2005 8:36 AM
To: nafex@lists.ibiblio.org
Subject: [NAFEX] RE: Malus fusca

Not all Malus fusca is fire blight resistant...though
there are certainly very resistant individuals,
susceptible trees are not terribly uncommon as well. 
If I recall, Jim Cummins (or maybe some one else)
tried M. fusca in the Geneva rootstock breeding
program, and the results were not especially
inspiring. I wish I could remember, but I think he
said 25% of seedlings were FB susceptible.


                
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