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[hans brinkmann <hans-brinkmann@t-online.de>]

Hallo Jerry,

definitely Morus nigra is one cold zone less hardy than Morus alba - in general and without special micro climate.
Morus alba cames from China and M. nigra from Iran.
I was told, some so called Morus nigra cultivars are in fact Morus alba cultivars with dark fruits only.
Definitely there are additionally big differences inside the species. Morus alba has been cultivated since more than 2500 years.
At too many countries in the recent history...silk production, even at Germany.

At Iran the Morus nigra are considered as the very, very best fruit: Shah-Tut = King's mulberry
Never ever they would eat any Morus alba...

ciao
hans


Jwlehman@aol.com schrieb:

bf0.2e766ed9.359bb850@aol.com" type="cite">In a message dated 7/1/2008 11:10:23 AM Eastern Daylight Time, lucky.pittman@murraystate.edu writes:

On the differing performance in different areas - Gordon Nofs had an M.albaXrubra that he'd purchased as "Pakistan", but it wasn't; it was his top performer in his Flint, MI orchard - better than IEB for him.  I grafted it and it fruited several years in a row. For me, it was just so-so; not nearly as good as IEB, and less productive as well as smaller fruits than even my M.rubra selections.

Lucky:

Lee Reich in his book writes there may be great differences in M. nigra varieties as to winter hardiness. That could well be and could be the answer to why there is such differences in opinion. For some unknown reason I always thought nigra was more winter hardy than alba. No real basis for that thought.

Jerry


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