----- Original Message -----
From:
Brungardt, Sam
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@lists.ibiblio.org [mailto:nafex-bounces@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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