North American Fruit Explorers mailing list at ibiblio

[list@ginda.us]

I ordinarily lost a few branches to cane borers each year.  Last year  
was particularly bad, and some helpful folks at NAFEX suggested I  
remove the dead branches and destroy them, to prevent the moth inside  
from laying next year's problems.  So last year, after pruning the  
dead canes off my currant bushes, I put them in my municipal trash  
instead of tossing them onto the mulch pile.  This year, I lost many  
fewer canes.

probably not a coincidence.

Ginda

p.s.   If you look inside the dead cane in the spring, you can often  
find the overwintering insect.  It seems to be a little below the  
dead portion.

On Apr 28, 2007, at 4:09 PM, vrana wrote:

>  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@mwt.net>
> To: "North American Fruit Explorers" <nafex@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@seznam.cz>
> > To: "Mike Levine" <mlevine@umich.edu>; "North American Fruit  
> > Explorers"
> > <nafex@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@umich.edu>
> > > To: "North American Fruit Explorers" <nafex@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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