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Can High CBD Cultivars Be Identified By Appearances Alone? –

It’s a well-known proven fact that leaf width and size can be utilized to determine if a cultivar is sativa or indica dominant. Exterior of that, frequent knowledge assumes that appears could be deceiving when attempting to establish particular qualities of hashish cultivars. However are they?

A groundbreaking February 2021 research by the American Society for Horticultural Science has found that numerous morphological qualities are extremely correlated with excessive Cannabidiol (CBD) and Tetrahydrocannabinol (THC) cultivars. Within the research, morphological traits had been monitored in 21 distinctive cultivars by three levels: vegetative, flowering, harvest and inflorescence.

The research discovered a optimistic correlation between excessive THC and leaf width/size ratio within the 21 cultivars, whereas excessive CBD ranges had been positively correlated with the variety of serrations on the central leaflet, the variety of leaflets and common size of the central leaflet from every node [1].

“The traits that had been positively correlated with THC had been all negatively correlated with CBD, the place absolutely the values of the correlations had been comparable, and vice versa,” in keeping with the research [1]. So, what does this all imply?

Researchers have one other device to probably determine CBD/THC concentrations in cultivars previous to any in-depth lab evaluation. It’s unclear how this can assist the typical client, nevertheless.



  1. Jin, Dan, Philippe Henry, Jacqueline Shan, and Jie Chen. “Identification of Phenotypic Traits in Three Chemotype Classes within the Genus Hashish”. HortScience horts 56.4 (2021): 481-490. <>. Net. 13 Could. 2021.

Picture courtesy of Unsplash

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