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nafex - Re: [NAFEX] Fungus and borer Resistance on Prunus americana

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  • From: "bluestem_farm@juno.com" <bluestem_farm@juno.com>
  • To: nafex@lists.ibiblio.org
  • Subject: Re: [NAFEX] Fungus and borer Resistance on Prunus americana
  • Date: Sun, 12 Feb 2006 15:50:24 GMT

I'll second that I haven't seen black knot or borers on our Prunus americana,
but we seem to have brown rot, some years worse than others. I think that it
gets started where the (very abundant)curculios damage the skin.
Muffy Barrett
Baraboo WI
zone 4 more-or-less

-- Jim Fruth wrote:
To date, I have never observed brown rot, black knot or borers on
Minnesota's native Wild Plum, Prunus americana. Black knot is common on
Chokecherry (Padus nana aka Prunus nana) and rare on Wild Black Cherry
(Padus virginiana aka Prunus virginiana) and Pin Cherry (Prunus
penneylvanica). Thanks for you post Lucky, that your beach plums are brown
rot resistant. Anyone else seen that where you have brown rot pressure?

And what about black knot resistance?

Borer resistance?

Other wild plums anyone know of with resistance to all three of these?

Thanks,
Richard
--

Jim Fruth
Brambleberry Farm
Pequot Lakes, MN
www.bberryfarm.com
Jams, Jellies and Syrups



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