clones lose vigor
Tue, 06 Jul 2004 15:13:40 PDT
In a message dated 7/6/2004 7:33:09 AM Central Daylight Time, writes:

> most 
> clones of vegetatively propagated plants have to be replaced by 
> new ones due to loss of vigour.


I have seen this idea before; it has sometimes been mentioned in regard to 
rose varieties too.  For all I know, it may be correct.  

Does anyone have published data (scientific data) to support or refute the 
idea that clones  generally lose vigor over time.   


90 F, humid, 

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