Lon J. Rombough
lonrom at hevanet.com
Fri Jun 13 20:39:15 EDT 2008
There is virus in Rubus that is spread in the pollen, which will cause
decline and weakening of bushes. In this area one way to avoid it in
raspberries is to plant fall bearing types and mow them off in the
spring. That way, they bloom after the wild Rubus has finished and
there's no pollen transfer and virus spread from the wild to the
cultivated plants. In some varieties/species there is a hypersensitive
reaction that makes the shoot die to stop the virus from getting into
the rest of the plant.
What you describe sounds similar to what happens on infected plants
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On Jun 13, 2008, at 4:26 PM, ROBERT W JUDY A HARTMAN wrote:
Are the raspberries planted in a wet area? It sounds a lot like root
rot that most raspberries are subject to. Many people build a raised
bed area to plant their raspberries in our area. We've had to do that
too. If it is not a wet area then I am not familiar with it.
> ----- Original Message -----
> From: Robert C. Mullins
> To: North American Fruit Explorers
> Sent: Friday, June 13, 2008 3:17 PM
> Subject: [NAFEX] Rasberries
> I have a strange situation. I planted a red rasberry last year and it
> seems fine. This year it put on flowers and started to 'berry-up' but
> then one day I went out to check on it, and noticed that the entire
> flower stem were dead, dead, dead. The plant is perfectly fine and is
> putting on next years shoots, but everything on the flower/berry ends
> I thought this was an isolated instance. However I was out gathering
> wild blackberries and notice I have one or two patches out there in the
> field with the same exact symptoms. Anybody have any clues about
> I was thinking maybe rain/water stress? Whatever it is it affects
> for sure.
> Robert C. Mullins M.S. IT
> GaelicMysts, Owner
> Clarksville, Ar
> Zone 8a
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