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    sexing

    Anyone use a home test kit for sexing or a local lab? I'm talking about just a dozen plants or so that are 9 weeks old.
    Thanks.

    #2
    I usually just look at them.

    Learn how to find tiny pre-flowers at the base of each leaf to determine the sex of your plant in the vegetative stage (at only 3-6 weeks from germination)!



    There is this.

    A chemical leaf test can determine the gender and future potency (THC:CBD ratios) of cannabis seedlings as young as 1-3 weeks old from seed. This can save tons of time in a breeding program!
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      #3
      Keep a sharp eye on the taller ones! You can get more females from regular seed if they don't lack for nitrogen and water and also if they aren't exposed to much red light. The third and fourth week of veg seem to be critical. There are a few other factors but those are the ones I remember without searching. I've done regs in hydro before and got about a 4:1 female to male ratio. I'm doing them in coco now so I'll have to see how it shakes out.
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