North American Fruit Explorers mailing list at ibiblio

[Douglas Hinds <cedecor@gmx.net>]

On 5/22/2012 9:24 AM, Road's End Farm wrote:
> Wild black raspberries in this area carry a virus that will gradually,
> over several years, render red raspberry and blackberry plantings
> useless. ... If it is  present, I don't know how far it travels; though I'm 
> fairly sure it's more than twenty feet.
>    

Virii don't travel on their own accord.  The distance depends on the 
vectors, so you need to know which organisms are transporting the virus 
and how far they can move.

Douglas Hinds



> -- Rivka; Finger Lakes NY, Zone 6A now I think
> Fresh-market organic produce, small scale
>
>
> On May 21, 2012, at 10:20 PM, Jim Fruth wrote:
>
>    
> >     Horsefeathers!  Balderdash!  Baloney!  Old Wives Tale!  Etcetera!
> >
> >     My black raspberries are twenty feet away from the red
> > raspberries which
> > are six feet away from the blackberries.  So long as I deeply till
> > between
> > the varieties to prevent invasiveness, I have had no (NO) problems
> > in twenty
> > plus years.  I have not seen a single interchange of diseases .  My
> > ONLY
> > problem is that my next door neighbor grows wild raspberries and does
> > nothing to control Cane Borer which makes extra work for me every
> > year.
> >
> > Jim Fruth
> > Brambleberry Fruit Farm
> > 4002 Davis Street
> > Pequot Lakes, MN  56472
> >