[NAFEX] Brown rot-resistant plums

Mark Angermayer hangermayer at isp.com
Wed Dec 31 17:22:58 EST 2008


RE: [NAFEX] Brown rot-resistant plumsWow.  Thank you Sam!

Mark
  ----- Original Message ----- 
  From: Brungardt, Sam 
  To: North American Fruit Explorers 
  Sent: Wednesday, December 31, 2008 3:23 PM
  Subject: Re: [NAFEX] Brown rot-resistant plums


  Mark, having just obtained the electronic version of Plums of North America, I searched its cultivar database for brown rot resistance and found the following info.  In addition there was info on many cultivars that are very susceptible to brown rot, but I have not included it here. -- Sam

  Very resistant: 
  Raribank 

  Unusually free of brown rot: 
  Grand Duke 

  Very good resistance: 
  Lantz 
  Olean 

  Good resistance: 
  Opal 

  Resistant: 
  Crimson 

  Comparatively free of brown rot: 
  Milton 
  Wild Goose 

  Little or no brown rot: 
  Tecumseh 

  Comparatively immune: 
  Red June 

  Some resistance: 
  AU Roadside 
  Gracious 

  Tolerant: 
  AU Rosa 
  AU Rubrum 
  Rivers Delight 
  Waneta 

  Above-average tolerance: 
  Kenmore Plum 

  Few problems with brown rot: 
  Burbank Stoneless Plum 
  Rollingstone 
  Superior 

  Brown rot has not been a problem: 
  Jam Session 

  Moderately susceptible to brown rot: 
  Mount Royal 

  Other: 
  Golden Drop (Coe's Golden Drop): not as susceptible to brown rot as Golden Egg 
  Kaga: not as much problem with brown rot as Tonka 
  Morris: more resistant to brown rot than Methley 
  Pottawattamie: escapes brown rot more than most of its kind 
  French Petite: no info 
  Stanley: very susceptible to brown rot; must be sprayed in humid areas 

  Also, peaches least susceptible to brown rot (from research at Kearneyville, West Virginia): 
  Elberta 
  Glohaven 
  Babygold No. 5 



  -----Original Message----- 
  From: nafex-bounces at lists.ibiblio.org [mailto:nafex-bounces at lists.ibiblio.org] On Behalf Of Mark Angermayer 
  Sent: Tuesday, December 30, 2008 9:27 PM 
  To: North American Fruit Explorers 
  Subject: [NAFEX] Plum thoughts please 

  Hi Folks, 

  One of my in-laws wants to plant some plums and needs some advice.  The situation is that the plums will be low-spray, or possibly no spray at all. I've seen the site and believe the disease pressure will be very low.  It is in the downtown of a city of 30,000.  Lots of concrete, and, as as far as I could tell, very few fruit trees around.  So I'm hopeful he can raise some plums without too much trouble from insects.  Without looking it up, I

  believe the area only gets 30-35 inches of rain per year.   Zone 6. 

  I want to recommend some high quality cultivars, but they need to have some resistance to disease, specifically brown rot.  I know about the AU series of plums, and have some myself (that haven't fruited yet) but I've heard too many negative comments about quality to recommend them.  Plus I don't think he needs something immune to brown rot, just something not hyper sensitive to it.

  Some ideas: 

  French Petite- I've heard Ed, Lon, and others sing praises for this plum, does anyone raise this plum without spray? 

  Superior- I have this plum ordered for next spring and have it recommended by S. Smith and Ossi.  Can either of you guys comment on its susceptiblity to brown rot?

  Any other suggestions?  We can go with Europeans or Jap/Amer hybrids.  He has room for about four trees. 

  Thanks in advance, 
  Mark 
  KS 





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