Ok, but I don’t understand why…
Each plant could theoretically be obtained by crossing two inbred plants
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The idea was that we could collectively breed better by using F1 super hybrids but it seem that’s not really possible due to the nature of the F1 super hybrid. Supposedly the best vigor comes from the most distinct lines. Making poly-hybrid F1 super hybrids like GG4 RIL is something more people should do!
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I will call my latest cross Pythagoras: a2 + b2 = c2.
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HahaHahahaha! 
@Heritagefarms Yes, indeed. You cant do any serious breeding without a breeding protocol, or youll end up with a crappy product.
Pz 
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Hybrid vigor is “stackable”.
It’s unclear where the cutoff is.
Does anyone know if there’s a gene that limits growth in cannabis? Something similar to the genes that block height and muscle mass in humans perhaps 
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? They’re all technically sativa’s save for the afghan, that one’s C. Afghanica or C. kafiristanica.
Technically Indica are plants that come from India, and those are mostly sativa’s.
Short broad leaf drug type is afghanica/kafiristanica. Wikipedia trying to rewrite history 
I liked Snow High’s terminology, drop this sativa/indica nonsense and go with highland/lowland/jungle/steppes/etc.
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Yes and that is where it is going. Afghan Indica to the north and tropical Indica to the south. All basically from Indian subcontinent and surrounding areas that most of our genetics come from.
Sativa is term more for describing hemp because the description was meant for fiber types. I can see the confusion for as you move south to the tropical locations the structure of plants and THC/CBD ratios change. Tropical have longer taller plants, loss off photo period and increase of THC/CBD > 1.
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I wonder if the same selection process for females would be beneficial? Don’t breed to earliest flowering females but wait for later flowering females?
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Yes. If you are breeding auto flower traits you look for earliest flowering females, but those same females may not be desired for a non auto flower line
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Not necessarily something that flowers too fast won’t get suitably big.
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Size/structure isnt the first trait that often looked for when selecting for auto flowering from what I’ve seen. Which is why many growers are often turned off them, and some growers enjoy them when they stick to specific genetics/breeders. Those extra steps in finding a great plant that doesn’t have auto flower traits and breeding it until it does makes them stand out. Don’t get me wrong some breeders use that as an important factor, but many breeders will look for the early flowering plants and from those select preferred flower/plant structure.
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I had a male show hard at 3 weeks and decided he was no good 
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My findings agree with you on this.
When I bring this up, other folks seem to shun me like I have leprosy.
I even tried discussing colored trichomes and their content also.
Everyone always has the same reply…
“The only difference is anthocyanin or Carotenoids”
It would seem you agree, there is something more to this story??
Does anyone have any thoughts on why this seems to be true?
Peace
Shag
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People go crazy for purple. Not really sure why.
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My understanding is that both anthocyanins and carotenoids cannot contribute directly to the photosynthetic pathway and can only contribute to chlorophyll. Carotenoids make flowers and leaves red or yellow. Only chlorophyll is green and only chlorophyll contributes directly to the photosynthetic pathway in plants.
So if the plant is spending time producing colors(anthos/caros) instead of staying green, it’s not going to be as potent as if it just stayed green.
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I do not understand it myself.
When I first got here I stated that I did not care for purple varieties.
I am sorry to say I may have gotten under a few members skin by saying that.
@Foreigner I am sure you can relate to the getting under people’s skin part 
…LOL
Before you deny, you must consult Mrs. Foreigner.
I wonder what it is about the purple.
Now some that turn purple at the end of flower or with cold temps do not seem to be in the same category as those that are genetically purple.
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Well to each their own and I have had good purple weed but it just doesn’t do it for me. Mrs Foreigner knows. I’ve grown purple weed before 
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Thank you very much for this relpy.
Let me see if I understand this now.
So we kinda know proper irradiance = proper THC production.
Proper or maximized irradiance = proper or maximized photosynthesis.
I think those are true statements without getting into things too far.
@HolyAngel
So you are saying…
The colors interfere with photosynthesis, slowing the production of THC and other cannabinoids.
Is it really that simple? 
This has been a great mystery of mine, can it really now be considered solved? 
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Wow, I just read this in another thread.
@HolyAngel you seem to have a like minded member here. 
What are the chances that the next thing I read was this.
quote="TomHill
Thanks again!
Shag
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