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  • From: Andy Fellenz <fellenz AT fltg.net>
  • To: Market Farming <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] Raspberries Problems
  • Date: Wed, 09 Jun 2010 07:24:11 -0400

It sounds like you might have verticillium wilt, http://plant-disease.ippc.orst.edu/disease.cfm?RecordID=956 . I had this in my black raspberries about 5 years ago and what I ended up doing was cutting all suspect canes to the ground and taking the prunings to another location and burning them. This arrested the spread of the disease and I have had reasonable crops since then.
Andy

Owsley lucy wrote:

We have a lot of our 4 year old raspberry canes dying. We suspect cane borers, though in one area they have never done well and that may be due to black walnuts being in the vicinity in the past 25 years (there are none there now but the raspberries are within 30' of a wooded area that probably does have such-we don't know because our neighbors have made it clear we are not to trespass on their land). The symptoms are in early spring healthy plants and now that is is late spring and the plants are producing berries we have wilt, leaves curling up and dropping off and eventually the canes dying back to the ground. this is happening in certain parts of the area and not other parts (most of the plants are healthy, but fewer than last year so whatever this is seems to be slowly spreading).
What should we do? We are organic (not certified) so using synthetics is out. Are we looking at digging up the area and starting over again elsewhere on the farm? What do we look for for borers, the books we have are rather vague about this. the variety is Latham, BTW. We also have Heritage of the same age which has no such problems.

Lucy Goodman
Boulder Belt Eco-Farm
Eaton, OH
http://www.boulderbeltfarm.com



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