[NAFEX] Red Currant resistance to borers

loneroc loneroc at mwt.net
Sat Apr 28 07:46:01 EDT 2007


My black currants completely died out over the course of two years after 5
years of good production.  Might this have been the culprit?  I kind of
wondered at the time whether a borer was involved since it seemed like whole
canes died at a time.

I'm located in SW Wiscosnsin

Steve H.


----- Original Message ----- 
From: "vrana" <nokal at seznam.cz>
To: "Mike Levine" <mlevine at umich.edu>; "North American Fruit Explorers"
<nafex at lists.ibiblio.org>
Sent: Saturday, April 28, 2007 1:53 AM
Subject: Re: [NAFEX] Red Currant resistance to borers


> My currants do not suffer much, only slowly. I have sort Losan, it is
> breeding from Moravia research station here. The bush is 3,5m high, Have
big
> berries, and long clusters, I am picking it from a ledder.It needs to ask
> research stat. how resistent it is because we have here the same butterfly
> boring in branches, but I did not see it far ago.
> ----- Original Message ----- 
> From: "Mike Levine" <mlevine at umich.edu>
> To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
> Sent: Friday, April 27, 2007 5:09 PM
> Subject: Re: [NAFEX] Red Currant resistance to borers
>
>
> > Has anyone found cultivars of red currant that are more resistant to
> > clearwing moth borers (Synanthedon tipuliformis)?
> >
> > Thanks,
> > Mike Levine
> > Ann Arbor, MI
> > Zone 5b (USDA changed it to zone 6, but I don't believe the hype)
> >
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