Does anyone have any data that shows lab test data of THC potency vs day of flowering? For example I would like to see a plot that shows on day 20 of flower (from 12/12) there is maybe 3% THC by weight, on day 40 there is 10% THC by weight, and on day 55 there is 20% THC by weight. Ideally there would be a data point for every few days into flower. Has anyone seen data like this or have access to a scientific study that has tried to track THC percent like this? I don't care what strain or how long the flowering time is for the strain, I am just wanting to see how the THC increases during the flowering cycle. I saw a plot like this from a breeder's website where they used this information and additional test results to select promising parents for breeding, but I can't find this plot anymore. I would also be interested in a similar plot that tracks terpene development.
#1: THC is measured by VOLUME! Never by weight....
This right here tells me you have little experience growing.
#2: THC production is like a wave. It always has
some but in bloom. The production rises and then falls back off....
There is only 1 actual way to apply that wave to manipulate potency... Available mineral content of several compounds in the media/feed.
These must remain a constant and not increase by feeding in solid media's (no build up's). Hydro will remain the needed constant by proper res care.
Soils should be built to contain the proper compounds, to proper levels before use. You do not supplement with feed solutions, unless you
really, really know what your doing. Build up problems will screw the plant, and you.
There are threads on this site discussing the mineral supplementing, both ways. Liquid supplementing is way easy to fuck up. VERY small amounts that can only be measured by weight are used and at varying times in the run...
Mel Frank, in one of his books. Goes directly into this thing. What he didn't know at the time? His formula did more for increasing CBD then THC, AND apply a change in compound ratios....reverses that to THC increase over CBD...
Any idea that you harvest early, during peak production times....Epic fail!