On 31/12/2010 04:15, Bob Harrison wrote:
>
> "Hybrid vigor is reliable when two unrelated lines of bees are crossed 
> (with
> instrumental insemination personal experience and what research has 
> shown).
>
> Hybrid vigor from my experience only happens with the F1."

Bob, would you mind clarifying what you mean by F1 as applied to a 
colony of bees?  The way I see it is if you start with a pure queen and 
inseminate it with pure drones of a different race than you will get F1 
workers but you still have a pure queen.  The next generation will have 
an F1 queen but F2 workers.  Which of these 2 colonies displays the F1 
vigour that you speak of and when do you reach the dreaded F3 generation?

Thanks

Steve Rose (Wales)

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