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Canada: ‘Avoid using sativa/indica terminology’

There is perhaps no debate in the world of cannabis more contentious than that of species. The genus Cannabis sativa L. is the only official species, but the cannabis industry is using other terms as indica and hybrid to promote their varieties. Associate Professor Sean Myles from the Canadian Dalhousie University recommends avoiding the use of these terms as a recent study has demonstrated that current labelling of varieties as sativa and indica does not reflect any meaningful genetic identity.

Myles, who supervised the study on the genetic differences between the two cannabis types and their hybrids, will present his results on the International Cannabinoid Research Society (ICRS) conference in Leiden, Netherlands, from 1 – 4 July 2018. In the run-up to the conference, Bedrocan asked him a few questions.

Cannabis reclassified

Cannabis labelled sativa and indicamay not come from distinct ancestries, according to a study performed by the Canadian Dalhousie University in cooperation with Bedrocan on the genetic differences between the two types and their hybrids. In this study 149 Dutch cannabis samples were analysed, correlating the genotype and chemotype to their reported ancestries. Indica- and Sativa-labelled samples were not as distinct as sub species would be assumed to be, but the genetic differences between them do correlate to their terpene profile (resin fragrance), which could explain the variation between them.

Do you consider the results as ground-breaking?

No, I don’t. Any professional in breeding or genetics with even peripheral knowledge of the cannabis industry would have bet that the ‘sativa’ and ‘indica’ labelling in the current cannabis market was unlikely to reflect genetic reality. It just took some data to demonstrate the degree to which this is the case, which we have done and continue to do.

How did you come up to study…

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