Yeah not really an issue; though pollen culture is only going to give you males, so it would change the way you did things a bit. Maybe ethephon etc.
Wait, did you pre soak the seeds? Have you tried a foliar spray? That’s stuff is hard to get here 
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@slain 
honestly I only tried it once and probably didn’t do it right is why I was asking if germination was successful? Because I never tried again because what I’ve heard from respected members so I assumed it was a fools errand idk ps but I got a whole bottle sitting on the shelf
Cool, pretty sure it just releases ethylene gas, so works exactly the opposite to Silver and femanizes the male.
You reckon maybe a leaf spray like you would reverse a female? Just on a few branches?
Thing about it is you get 2/3 male, 1/3 female. So you can still end up with regular beans while still getting the inbreeding bottleneck you get from reversing. I’m keen to do it, just need to find the ethephon.
Do you think a sub dermal application would work same like with the silver?
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Maybe? I don’t see why not but I’m not 100% sure how it is metabolized. I can see lots of reading incoming 
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