North American Fruit Explorers mailing list at ibiblio

[Melissa Kacalanos <mijwiz@yahoo.com>]

I've read that this is because black raspberries can host viruses that don't 
really bother the black raspberries themselves, but can be harmful to the 
other kinds if they spread to them. And vice-versa. The viruses spread by 
aphids.

In my cynical view, I don't think keeping the different kids of berries 100 
feet apart would do much good at stopping viruses from spreading. There are 
lots of wild black raspberries in my woods, but the red and purple 
raspberries I planted 2 years ago seem to be doing fine. Your mileage may 
vary.

Melissa

--- On Tue, 2/1/11, Hilborn.E@epamail.epa.gov <Hilborn.E@epamail.epa.gov> 
wrote:

> From: Hilborn.E@epamail.epa.gov <Hilborn.E@epamail.epa.gov>
> Subject: [NAFEX] Raspberries blackberries
> To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
> Date: Tuesday, February 1, 2011, 12:17 PM
> I am planning to plant some bramble
> berries this year and ran across
> this statement at Stark Bros: "Red, Gold and Purple
> Raspberries and
> Blackberries should not be planted within 75 to 100 feet of
> Black
> Raspberries."
> 
> Does anyone know why they suggest this?  Is it a
> problem in all areas of
> the US?
> 
> We have lots of naturalized blackberries here in central
> NC. I wonder if
> anyone successfully grows black raspberries here.
> 
> Betsy Hilborn
> 7a NC
>