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nafex - [NAFEX] Are all currants host to pine-rust? Some are immune, but still a host?

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  • From: Steven Covacci <filtertitle@aol.com>
  • To: nafex@lists.ibiblio.org
  • Subject: [NAFEX] Are all currants host to pine-rust? Some are immune, but still a host?
  • Date: Tue, 28 Jun 2011 08:44:41 -0400 (EDT)




Group:

As far as I know, American black currant (Ribes americanum) and clove
(buffalo) currant (R. odoratum; syn. R. aureum) are not very susceptible to
the effects of blister rust fungus.

Does that mean that they are not a host, just because they are not themselves
effected? I believe that Prunus americana is an unaffected host for x-knot
in Prunus spp., so perhaps it is the same for Ribes, as an alternate host for
the needle pine species, including white pine, etc.

Thanks,
Steve; NJ 6b/7a





  • [NAFEX] Are all currants host to pine-rust? Some are immune, but still a host?, Steven Covacci, 06/28/2011

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