By Lloyd Kerry
Marion MacCallum’s letter on ‘pot’ is a little off the wall to say the least (“Herbicides ruin marijuana crop.”)
She should have stated
what the two chemical compounds are that she’s referring to.
For the sake of a
little clarity, THC is tetrahydrocannabinol, the physiologically active
component in cannabis (pot), which gives you the high. CBD is cannabidiol, the
compound which, as she states, helps counter the effects of THC.
CBD has some medicinal
benefits, as do many of roughly 700 other compounds in cannabis. Plant breeders
will breed to increase one or more compounds to suit their market. Strains used
for medicinal purposes tend to have higher levels of CBD to provide medicinal
benefits with less of the ‘stoned effect’. Recreational users want higher THC
and lower CBD levels.
My problem with
her letter is her ‘theory’ that “the land used to grow the current pot was
previously used in commercial farming operations or to grow GMO's and the
residue in the soil from the herbicides killed the CBD.”
Does she have a secret
list of all fields in Canada now growing cannabis and what herbicides were used
in those fields in the past? Usually when someone makes such a bold statement
as this would have some kind of facts to back it up. I doubt you could find a
cannabis plant with zero CBD.
Regardless of the
levels of THC and CBD in a given variety, I don’t think there is a herbicide
conspiracy here.
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