HYB: Pollen Daubing - Follow-on

Sharon McAllister wrote:
> 
> In fact, an old trick for = 
> getting takes from wide crosses is to
> first spread compatible pollen that has
> been killed by immersion in alcohol,
> then the desired viable pollen.  =
> 
> The juices of the stigmatic lip support
> the growth of pollen tubes, however,
> so that the lip dries out much faster if
> it has been pollinated.

What does putting sterilized pollen on the stigma do to enhance the chance of
a wide cross? (or do we know?)


Thanks
John                     | "There be dragons here"
                         |  Annotation used by ancient cartographers
                         |  to indicate the edge of the known world.

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