Ive started 10 Sensi seeds Super Skunk and the first 7 have been male which is making me start to worry about not getting a single female from the remaining three I have left, yet to flower or show. This made me wonder, could it be my fault?
The seeds were bought in amdam from Sensi's store, so they must be good. Could something in the transport (xrays? or other luggage scanning equpiment?cold?) affect the sex?
They have all grown so well in veg (and into flower for the ones i released) but could something in my soil be affecting it? Its just store bought soil with sand mixed. pH is good.
Ive used Advanced Nutrients Bud Blood in the first week as directed.
My light cycle has been steady 12/12.

Or im just that unlucky.

I don't think you're doing anything wrong, I think it's just the Genetics of an unfortunate seed selection that was sent your way.

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Well a lot of factors can come into play stress is a big one, Temperature is another biggie. If some of the plants are shorter and have the nodes growing closer together than you can be pretty sure there female. It will take around two weeks to show if you are force flowering. Relax have a bowl and wait it out.Good luck!

I think you're just unlucky. Males usually show first, so your other 3 are probably female. Assuming male/female odds are a coin flip 50% (probably not, but close enough), then the odds of getting 7 of one sex and 3 of the other about 1 in 10. Unlucky, but certainly not unheard of. Sorry cyber, better luck next time!

seed sex is determined at development not by envronmental factors

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"i really need help,
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dude I grew 8 plants and all of them were male...lol...I about freaked out..lol I feel your pain. Just keep going man, youll get your female eventually...

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Without weed, we would all be in a world of hurt..

well if you do get stuck with males make hash or butter or just keep a male going just in case you get a female and pollinate a single branch to get more seeds

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Ha! Yeah I guess I should chill, but I was just wondering if anyone has heard of weird ways seeds can turn male. I especially wonder how x-rays or "irradiated" seeds could be affected. Something to ponder.
Ive been trying to stagger the sprouting of the seeds so I could save some of my limited supply, but now im balls deep and hope I can make my own seeds with some pollen I have (hopefully still good in the freezer). Its been a few months of disapointments, especially with the plants looking as good as they do, real short internodal lenghts and early branching! At least other plants worked out ("blueberry" and lemon skunk)

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there is a lot of evidence to contradict this. read pretty much any good grow book and they will tell you this. Any good Botany text will too.