If you take an infected stem, stick it in a test tube there should be:
A. Cloudiness in the water (traheomycosis)
B. Not vloudiness in water (traheobscterioiss)
Or vice versa… 
Edit: definetly vice versa
Knowledge of tissue culture would nip that peoblem in a bud (apical meristem) … When dealing with real genetics of real value I dont understand why people dont turn to these resorts
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Googled both these words and came up with no results
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Sry friend this is a term that is directly translated from my pathology proffesor.
It just means your trachea (xylem or pholem tissues are blockes either by fungus or bacteria).
Now that I think of it its definetly the bacteria that is secteeting cloudy water and not the fungus.
Edit 1: I really though since its derived from latin it would be something not found in litterature of english origin
Edit 2: google scholar will find this for you so edit 1 is now deemed obsolete…
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Try scholar…
Hard to say what you are exactly dealing with without taking samples to a lab. It’s most likely fungal. I would say water it with 3 to 5 ml per gallon h202 (35%).
Then find a good compost tea recipe and add a biological additive. ( og bio war, recharge, ect. ) to the tea.
Apply the tea 48 hours after the h202 application.
Make sure not to overwater.
Every time she gets fed give her tea too. A lot.
If you are running organic living soil then just give her straight tea every watering. If you are feeding salts a generous top pour of tea after watering.
This is what I would do to try to save her.
Run compost tea as a preventative next year on the whole plot.
If you are already running tea and having this issue I would clean your setup and shorten your brew time.
We almost killed this plant 3 weeks after transplant due to pythium and fusarium They are salt fed in soilless mix. Tea every watering and she is in full beast mode.
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Thank you 
I appreciate the help . Last year I used The same technique but I was confused about one thing .
Am I supposed to buy 35 percent h202 and use it straight? or mix 3 percent h202 ( the kind that’s at the dollar store or cvs ) with 65 percent water ?
What’s hes suggesting is using the 35% strength h2o2 at a rate of 3-5ml a gal.
So it would be straight to answer your question I believe.
Wow I’m an idiot, guess I probably should have slept last night . I missed the 3-ml 5ml per gallon part . Thank you for pointing it out !!! Assuming then 30-50ish ml of 3 percent per gallon will work to ? ( already have a bunch left over from last year ) .
And also does anyone think adding mycorrhiza will help ?
First thing scope it
Sulfur kills russets easy
If it isn’t a big look at where those branches meet the main stalk and look for rot
Also look for rot on the main stalk
Also look for moles/voles/gophers
Could be a root issue
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I think so? I mean it’s a dilution rate you’re trying to achieve, but I can’t say for sure as I’ve never used h2o2 in my garden.
I definitely would get confirmation from someone else before doing it.
Wouldn’t hurt right?
https://www.amazon.com/dp/B06XT57BKL/ref=cm_sw_r_cp_apa_glt_fabc_XH94HSP9W0WE3BE5D8AE
This brand is decent enough and not too pricey
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You should be good. I’d lean more towards 50 ml per gallon.
Add the myco to the tea and brew to propagate the microbes.
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Did it get cold lately?
Looks like cold damage
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Thanks @Cloner ive been trying to keep the night time differential as close to the daytime temp (81f) as possible. It’s typically no colder then 73f in the room. I havnt tracked any colder nights lately but it is possible the air handler might be throwing chilly air atop the canopy there. It’s weird. I appreciate the input. Any other things you think it might be? Would overwatering make sense too?
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Definitely looking like it could be cold wet roots.
73f is not bad.
Are you feeding with very cold water ?( under 60f)
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Just fwiw, I know a tomato grower whose temp problems at the root zone were caused by the cold concrete floor wicking away warmth. He moved his containers up off the floor a little and that fixed the problem. Idk if this relates to you, just a thought.
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Thanks all. Nah my input water is hot like 75+f @CBDExportInc and she is on a riser @Autumn_Ridge_Hemp… ima let her dry out and see what happens.
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Is she around week 5?