It was written that colloidal silver goes to the entire plant, even if it is given only to a part of the plant (It is absorbed by 'foliar feeding' and spread to the entire plant - correct me if I am wrong).
Excuise the self-qoute
I observed CS acts locally at the site of application and not transported to the un-sprayed parts of the plant, leaving their female sex,
those female flowers were pollinated with feminized pollen obtained in a previous CS-session from another plant.