On Sat, 26 Feb 2011 08:26:48 -0700, Steve Ackman
wrote:

I have about 100 varieties of seed, some from 20
years ago (I throw it out after it goes over 20) that
I really hate to throw away, but germination trials
really take a lot more space than I have.

"The viability of seeds can distinguished by the size of the corona.
Fertile seeds show much larger coronas than dead seeds. The photography
process does no harm to the seeds ability to grow."

So plant some of the 19 y/o seeds, collect seeds from the new
planting, and retun those to your collection. Easy peasy.

--
You can't wait for inspiration. You have to go after it with a club.
--Jack London