Re: frozen pollen viability, update

 

I keep mine in glassine seed envelopes in tupperware with reusable indicator silica gel in the refrigerator, and eventually transfer them to the freezer without dessicant. This also takes up little space. I know I've used at least year-old frozen pollen successfully.

Sean Z


On Sun, Jun 15, 2014 at 1:04 AM, p*@goldfish.id.au [iris-species] <i*@yahoogroups.com> wrote:
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Hi,

I use the gelatine capsules like those used for medications. The name of theÂplant/cultivar can be written on the capsule with a suitable fine pen, and then large numbers of capsules canÂbe kept in an air-tightÂjar to which some dessicant has been added (I use indicator silica gel so I know when to replace it) and keep the whole jar in the freezer.ÂÂThe capsules are permeable to water vapour, so the pollen dries quickly in the closed capsule. ÂI've never tried to use pollen more than 12 months old, but 12-month pollen seems fine. This technique is much more partner friendly because the space required is quite small,Â


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