Damon, the link below should help and there's lots of other links re tomato pollen storage/viability if you do a Google search.

And if you don't have Keith Mueller's excellent description of how to do crosses that's something that might help if you're just starting out with deliberate crossing.

Carolyn

Here is a link that might be useful: Pollen Viability

Thanks Carolyn for the good read. And yes I have Keith's piece too.

Damon