[NAFEX] Red Currant resistance to borers

vrana nokal at seznam.cz
Sat Apr 28 16:09:34 EDT 2007


 I had seen in TV :they cut branches at ground,while normal pruning and see
carefuly,if cuted branch is bored.They count bored and not bored,as reasult
is: when bored are half of amount or more cuted branches, they destroy black
curants plantage.Probably burn it.
I dont know if this is best way,it shows something usefull  I hope.
----- Original Message ----- 
From: "loneroc" <loneroc at mwt.net>
To: "North American Fruit Explorers" <nafex at lists.ibiblio.org>
Sent: Saturday, April 28, 2007 1:46 PM
Subject: Re: [NAFEX] Red Currant resistance to borers


> 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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