Is UV important for blooming?

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Contributed by oldtimer1:

High elevation plants that have been there for generations are high in thc but more importantly it is a lot more complex. On a short term basis a clone from a known variety Indica type will have a slightly more up high with the addition of UV during flowering but Sativas seem to improve a lot more with a much clearer up high.

I would suggest that if breeding for seed indoors the addition of UV a/b tubes as supplementary lighting would help to improve the stock a lot. Your plants getting some real sun would probably allow them to express the potential of that generation. You can easily test this If you make a number of cuttings from a mum and grow half with sodium only and supplement the other half with sun when you can, I think you will find quite a difference between the two stones the more sat in the var the bigger the difference.
  Last modified: 23:03 - Feb 23, 2001 

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