Alleles involved in purple expression

Hello peeps. My first post on riu. I hope its in the right place. Its been awhile since i have looked at my breeding book by robert connel clarke. Ok. My question is....How many alleles are involved in purple calyxes? It seems to be a tough trait to make homozygous. I dont know of any strains that are guaranteed always purple. There are some strains that are more likely to and some that require cold temps. And are there any plants that purple regardless of temp? Is purple urkle always purple? Sorry for rambling, and thanks for taking the time to read this.

cant help u with ur question but if ur goal is to grow purple plants u can experiment with leds, many of my plants turn purple and my temps are always above 22 degrees , night or day

I'm actually researching a lot of breeding info too. I'm no expert here, nor an amateur. I just like to read around.

Anyways,

I believe it could be a mixture of many different alleles. I've read a purple color can be brought about by so much conditions. Deficiencies will cause the plant to turn purple, drought, wounding, pathogens, temperatures, and mixtures of these conditions could cause a purple color to appear. Also there could be direct alleles that affect the pigment of the plant

For example, if a plant that has an allele that makes it more prone to certain deficiencies and the same plant also containing an allele that makes it less prone drought would require a specific set of conditions that could bring about the purple color.


I'm sure it can be done though. I recently visited a patch where the breeders there had a line of pink color pumpkins. They were selling them to support breast cancer awareness. Pumpkins are far from cannabis, but its a similar process I assume. Of course anyone please correct me if you believe I may be incorrect.

I'm not exactly sure about the genetics of true purpling strains but they do exist. Heath Robinson bred the Black Rose which is a true purple strain mostly bred for aesthetics but is apparently decent smoke still. I have a friend who grows it but I don't know of anywhere seeds are still available.

clanmaster said:

Hello peeps. My first post on riu. I hope its in the right place. Its been awhile since i have looked at my breeding book by robert connel clarke. Ok. My question is....How many alleles are involved in purple calyxes? It seems to be a tough trait to make homozygous. I dont know of any strains that are guaranteed always purple. There are some strains that are more likely to and some that require cold temps. And are there any plants that purple regardless of temp? Is purple urkle always purple? Sorry for rambling, and thanks for taking the time to read this.

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View attachment 2878350View attachment 2878353...querkle....temps were kinda cool but not crazy cool...60for nite temps was the lowest....theres all kinds of strains that purple up under normal conditions....good luck

these guys have a cross of heaths purple plant:

https://www.sickmeds.com/cannabis-seeds/#bizarre

also this one has been breed selectively for the coloring:

https://www.cannabis-seeds-bank.co.uk/gooeybreeder-seeds-purple-mayhem/prod_4209.html

both of these are supposed to be dominant for purple if crossed out but i have no exp with them so i cant confirm that.

I would say that ime purple expresseion is recessive. However I will sat that its not as sime as an on/off expression. Genes controlling Color seem to in many varieties I have worked with. I am a color fanatic. I was fortunate enough to have grown and continued the line of Double Purple Doja (dojo), remaed originally to lessen confusion as to origin of seed stock. Found red/purple males that cause most 60+% purple from onset of flower. What is found in f2 gens, direived from green phenos, have a near 50% coloring. If dom all might show.
This is anecdotal observation over multipe hydrids using same males.
I will post pics tomorrow.
Or you can check out my thread on the thc farmer. Search my handle in google. Lots of great photos and info on my breeding and varieties we grow.

Peace

Sorry to be that guy, but why care?
All purple does, imo, is make it look prettier and be much less strong.
If you do not care, then rock out.

Im am more curious than anything. I have been looking around for seeds and noticed alot of purple strains. Or at least strains called purple. Ive also grown strains called purple or were famous for purple that didnt turn. Like djs bb for example. Im never sold when something is called purple. Ive also read it takes a couple packs to find a keeper of djs bb.

Trousers said:

Sorry to be that guy, but why care?
All purple does, imo, is make it look prettier and be much less strong.
If you do not care, then rock out.

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I've had colored phenos that were as good as green ones. It's not something I would ever consider trying to preserve as a characteristic at the expense of drug qualities or positive growth characteristics.

clanmaster said:

Im am more curious than anything. I have been looking around for seeds and noticed alot of purple strains. Or at least strains called purple. Ive also grown strains called purple or were famous for purple that didnt turn. Like djs bb for example. Im never sold when something is called purple. Ive also read it takes a couple packs to find a keeper of djs bb.

Click to expand...

DJ's blueberry in my experience has only turned purple when exposed to lower temps. The male im using to make some seeds at the moment has turned the darkest purple ive seen but it only went that way after a week of cold temps. Its been the same with all of the other blueberry's of his ive grown too.

Thanks for the input. The main thing i wanted to figure out was why breeders havent bred for it. If someone were interested in a commercial variety for example. They breed for heavy producers that arent the most potent, but not purple. Purple imo would be a big hit with commercial growers. I am not a commercial grower, nor am i all that interested in having purple plants. I was always curious why a breeder wouldnt breed for that. I assumed it was difficult to breed true for purple.

Breeders have. With mixed results. I have one that inparts color from onset of flower. Dpd. Had phenos ranging in pink to black/purple. This has been t he case with progeny showing color, in either direction of male/female genetic donor. Both hybrids of the dark coloration 2 males used in number of hybrids, many untested. Then the female of darkest purple was used in a number of hybrids with different males. Not going to speculate on percentage but many the few that are being tested are showing very high rates of color from onset of flower.

Here are the seeds.

Here is one female of Dark Magik