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saving seeds from multiple brassicas that cross pollinate

ahappy camper zone10
6 years ago
last modified: 6 years ago

i have a lot of different ornamental kales, kales, collards, broccoli, cauliflower of multiple colors going on right now that i want to collect the seeds from. i know these cross pollinate and usually people will grow just one variety at a time to collect the pure seeds. besides putting a lot of distance between them, is there any other way to harvest pure seeds from multiple brassica oleracea growing at the same time?

if i have researched correctly, the isolation method where one individually contains the flowers or plant wont work unless they are self pollinating like tomatoes

i did read at an article that i can longer find where someone said they were growing several kales at once, isolating/caging them, and alternating the days in which they took off the cages to keep them pure but i can no longer find this to find exact details on how it was done

is there anyway i can isolate certain varieties myself by just using some sort of barrier, caging, then pollinate the flowers of the kale myself? i have to admit that a lot of ths pollination stuff is still confusing to me and i'm trying to learn more about what i should and shouldnt be doing

also, i have several varieties close to each other that have already developed those pretty yellow flowers and theyve been like that for a couple of weeks now. is it safe to say those have already been cross pollinated and that i should not hold my breath in trying to save seed that is pure from them?

thank you.

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