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Okay,maybe I wasn't clear with my question.Lets say I have 10 plants started from seed that are a few months old in a growroom.I want to sex these plants but don't want to stress them out by cutting the light back to see what they are and then turn the lights back up to keep growing.I want to take cuttings from each of the ten,marking them so to correlate to the plant that I took them from.I will put them in a second grow room,seperate from the 10 plants in the other growroom.I then want to sex the cuttings,turning the light down to 12 hrs a day.This way the parent plants are not affected at all.My question is:Can I turn the light down immediately on the clones to sex them or should I let them grow a bit before doing so?Then I can remove the parent plants as the clones show what sex they are. Thanks
Now I understand. Sorry about that. Yup, you can flip the switch on the clones right away. Although I do suggest to most to wait 7 days for the roots to get established, but you can if you keep the enviroment just right. Take the cuttings, put em in rockwool (or whatever style you use for cloning) then under a cloning dome and leave the vents closed for the first three days while spraying them once in the am and once at night. After the 7th day open the vents fully. 10-16 days(depending on cuttings and conditions, you should be able to tell sex.) The dome is for keeping the humidity in. Cuttings need that humidity or they wont root. In some cases not even show sex. Just wither away. Unless of course you have a full humidity controlled room.
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