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nafex - Re: [NAFEX] Morus nigra in North Carolina

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  • From: "Hal Love" <lovehd@comcast.net>
  • To: "North American Fruit Explorers" <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Morus nigra in North Carolina
  • Date: Tue, 9 Oct 2007 16:38:33 -0500

Rob,
 
Morus nigra is somewhat of a genetic anomaly. It has 308 chromosomes! Morus rubra/alba have 28. I'm not sure any amount of halving or doubling would overcome that much difference (2x vs. 22x).
 
Hal
 
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"He also told be the Nigra and rubus/alba can not readily cross because of different chromosome count. I would love to dig into that further to see if anyone has tried working with halving or doubling them to make them match."



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