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High CBD strain Lists and Descriptions
- Thread starter PrimalHaze
- Start date
PabloTesla
New member
Good to know.
What's difference between a low thc plant originated out of a hemp strain and from a recreational cannabis?
PrimalHaze
Member
Good to know.
What's difference between a low thc plant originated out of a hemp strain and from a recreational cannabis?
Good question Pablo. As far as I know most hemp varieties have very low quantities of cannabinoids compared to drug varieties. Being that they are bred for fiber and seed, they aren't as useful for cannabinoid rich flowers and resin.
Strains bred for hashish have cbd within their populations and these plants will have higher quantities of cannabinoids compared to hemp.
A question I would hope SamS might know the answer to...
Where do these cbd phenos in hash strains originate from?
Did the wild ancestor of narrow-leaf drug strains have cbd originally?
Or is that unique to the wild hemp ancestor?
socioecologist
Member
Looking for some help, trying to wrap my head around a few things.
There's quite a bit of research on the B locus in haploids. We know there are 3 alleles--Bt, Bd, and Bo (THC, CBD, and CBG, respectively). Bo is a variant of Bd; it doesn't code for CBG, it just allows CBG to accumulate in the presence of a piss-poor CBD synthase channel.
Now this is a stretch and I'm truly just thinking out loud, but could these strange ratios (3:1, 6:1, 10:1, etc.) that some are reporting with "high CBD" plants be the manifestation of a Bd / Bo heterozygous genotype?
Something else that's getting my goat right now: if a plant is homozygous Bd, why are they still producing THC at all (up to 1% in plants like AC/DC)?
Thanks for any help or thoughts on this.
There's quite a bit of research on the B locus in haploids. We know there are 3 alleles--Bt, Bd, and Bo (THC, CBD, and CBG, respectively). Bo is a variant of Bd; it doesn't code for CBG, it just allows CBG to accumulate in the presence of a piss-poor CBD synthase channel.
Now this is a stretch and I'm truly just thinking out loud, but could these strange ratios (3:1, 6:1, 10:1, etc.) that some are reporting with "high CBD" plants be the manifestation of a Bd / Bo heterozygous genotype?
Something else that's getting my goat right now: if a plant is homozygous Bd, why are they still producing THC at all (up to 1% in plants like AC/DC)?
Thanks for any help or thoughts on this.
socioecologist
Member
Never mind that last post, I was just 10 years behind on the literature. Apologies to all!
"Cherry" selection and worked cannatonic line. High CBD, medium CBG, low THC testing line. Averages 10-15% cbd, 2-5% cbg (depending on harvest) and .3-.7%thc
Been testing it under the Colorado sun for the past three seasons, finishes first/second week of October, yield is dependent on pot size with best results in the ground, averages about 200grams a plant in a 10gallon pot, can be pound plants if vegged large enough.
there will be more seed ready for this spring
Been testing it under the Colorado sun for the past three seasons, finishes first/second week of October, yield is dependent on pot size with best results in the ground, averages about 200grams a plant in a 10gallon pot, can be pound plants if vegged large enough.
there will be more seed ready for this spring
socioecologist
Member
Beautiful specimens!
PrimalHaze
Member
Kief- thanks for the cherry update. I love that photo with the pumpjack in the bkgd.
except for the finola, it is interesting when you read the breeders notes about testing and harvesting. But i think you are correct about the p-flor and c-tot, personally from what i've seen once you get to about 12% cbd from the linkages the thc will always be over that .3 mark. there will be sports that will be found but i'm just talking as a whole with high resin plants
i've seen some really nice plants, but i thought most are mixed ratio.
the other benefit i've seen is the higher resin strains will produce a purer concentrate, when comparing "hemp" cbd concentrate to a high resin cbd cultivar the thc levels in the hemp concentrate can be 2-4x as much as the high cbd clones
the other benefit i've seen is the higher resin strains will produce a purer concentrate, when comparing "hemp" cbd concentrate to a high resin cbd cultivar the thc levels in the hemp concentrate can be 2-4x as much as the high cbd clones
socioecologist
Member
No, but thank you--all conversations about this are helpful. I'm talking about plants that are homozygous Bd. It's as if those alleles can convert CBG to THC still, despite their propensity for CBD production, but are very ineffective at the THC synthesis process. If that's true, we need to be looking for allele variants that are really bad at that conversion to qualify as high cannabinoid "industrial hemp". The alternative hypothesis is that THC production is primarily (but not entirely) monogenic...but I'm betting on the former.
FWIW: The question of Sam's that you replied to...as the creator, I bet he knows a thing or two about the plants that GW uses as breeding stock. The rest of us are just trying to independently recreate some of the work he accomplished 15-20 years ago. The deeper down the rabbit hole I go, the more I realize the magnitude of his contribution(s).
Mystic Funk
Well-known member
Anyone try or grow out harlequin bx4??
they say it's a 1:1 cbd:thc?
they say it's a 1:1 cbd:thc?
The BtBt / BdBd hypothesis has been shown to be incorrect through sequencing. Etienne de Meijer noted this possibility in his orginal inheritnce of chemical phenotype paper, so even when wrong, he was right.
CBDAS and THCAS are actually the result of a gene duplication, and are located on the same chromosome approximately 8 centimorgans from each other, resulting in very tight linkage.
The functional CBDAS is tied to a very minimally-functional THCAS, and the functional THCAS is linked to a minimally-functional CBDAS in most drug populations. Major point being is that they are not allelic as previously thought, and the suspected B locus is really two separate, but tightly linked loci.
-Chimera
CBDAS and THCAS are actually the result of a gene duplication, and are located on the same chromosome approximately 8 centimorgans from each other, resulting in very tight linkage.
The functional CBDAS is tied to a very minimally-functional THCAS, and the functional THCAS is linked to a minimally-functional CBDAS in most drug populations. Major point being is that they are not allelic as previously thought, and the suspected B locus is really two separate, but tightly linked loci.
-Chimera
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socioecologist
Member
Thank you so much for that clarification Chimera.
***Here's a paper on it for those interested:
***http://onlinelibrary.wiley.com/doi/10.1111/nph.13562/full
***Here's a paper on it for those interested:
***http://onlinelibrary.wiley.com/doi/10.1111/nph.13562/full
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Gene duplication. So are you saying that there is reinforcement from the breeding stock? With linkage one usually goes with the other but may there be an override?
thanks EC!
your hard work made my job easy. just sit back and puff when done!
here are the test results from our MEDTREE ACDC COOKIES. i agree #2 is an amazing profile. they all are TBH. i've never seen thc-v that high! and under lights no less! #3 was the highest yeilding, but none were disappointing in that regard.
these results are from the seedling plants btw. all four were sharing a single 10 gallon no till living soil container!
unfortunately due to a scheduling error i am gambling on some buds-on-sticks type cuts, and then the reveg phase after that. so needless to say i've got another pack of ACDC cookies on order as a failsafe
i think i'm gonna have to try the richness out as well
Bubbleblower
Member
Patient Satisfaction IRL with CBD or THC
Patient Satisfaction IRL with CBD or THC
The Dutch government (Bureau Medicinale Cannabis) has investigated how satisfied patients are with medical cannabis per kind.
The results are shocking, although not at all surprising for experienced medical users.
On a scale of 1 to 10 high CBD, low THC scores a 2, lower than anything else.
High THC, low CBD has the highest score of 7.
Also sativa scored significantly higher than indica, 6 average vs 3.
Just like in coffeeshops where they tried to sell high CBD strains people buy it once and are so disappointed they never buy it again.
Less than 2% of all medical users in the Netherlands still uses high CBD strains, while these represent 20% of the government menu.
Patient Satisfaction IRL with CBD or THC
The Dutch government (Bureau Medicinale Cannabis) has investigated how satisfied patients are with medical cannabis per kind.
The results are shocking, although not at all surprising for experienced medical users.
On a scale of 1 to 10 high CBD, low THC scores a 2, lower than anything else.
High THC, low CBD has the highest score of 7.
Also sativa scored significantly higher than indica, 6 average vs 3.
Just like in coffeeshops where they tried to sell high CBD strains people buy it once and are so disappointed they never buy it again.
Less than 2% of all medical users in the Netherlands still uses high CBD strains, while these represent 20% of the government menu.
PrimalHaze
Member
Awesome numbers on those acdc cookies, what effects are you getting with thcV phenos?
-pH
