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Silver Methods Behind Feminization

Most commercial feminized seed starts with a female plant sprayed with silver thiosulfate so that it grows pollen sacs. The silver blocks ethylene signalling, and since the plant has no Y chromosome, all of its pollen carries X only. A comparison at https://queenfeminizedseeds.com sets STS next to colloidal silver, which home breeders prefer because it needs no special prep but has to be applied daily for two to three weeks. One detail worth repeating is that treated plants are for seed production only and should never be smoked.


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