[NAFEX] Juglone toxicity (black walnut effect these?)
tanistanis at hotmail.com
Fri Oct 14 12:03:25 EDT 2011
Maybe it's the poor sandy soils here, but blackberries usually don't grow wild in the black walnut sites, while black raspberries do.
sWI, plenty blackberry canes but not much fruit
> From: Jwlehman at aol.com
> Date: Thu, 13 Oct 2011 08:28:02 -0400
> To: nafex at lists.ibiblio.org
> Subject: Re: [NAFEX] Juglone toxicity (black walnut effect these?)
> I forwarded your question to Jim McKenna who is a Juglans and chestnut
> breeder and developer who works for a joint Purdue-USDA hardwood improvement
> project located at Purdue Univ. You would have met him at the fall INGA meeting
> you attended, except his personal schedule kept him home.
> His answers are in bold blue.
> > Will juglone toxicity from walnut, particularly black walnut (Juglans
> > nigra) effect any one or more of the following specific plants?
> > Rosacea - (native and European) plum &cherry YES; quince YES; rose NOT
> > SURE; juneberry/serviceberry NOT SURE; strawberry NOT SURE; raspberry &
> > blackberry NO
> > Ebenacea - native persimmon NO
> > Ericacea - blueberry; huckleberry; native rhododendron spp.; mountain
> > laurel NOT SURE on any of these
> > Cornaceae - flowering dogwood; bunchberry NOT SURE
> > Caprifoliaceae - honeyberry NO; native honeysuckle spp. NO
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