Thc Potency

THC potency refers to the concentration of tetrahydrocannabinol, the primary psychoactive cannabinoid in cannabis. Potency is measured as a percentage of dry weight and varies significantly across cultivars, growing conditions, and harvest timing. Lineage records frequently report that certain genetic backgrounds—particularly modern hybrid crosses—tend toward higher THC expression than landrace or heirloom varieties. Potency is distinct from terpene profiles; two strains with identical THC percentages may produce different sensory experiences based on minor cannabinoids and volatile compounds. Breeders working in this category often track potency through selective breeding, though environmental factors like light, nutrition, and curing also influence final cannabinoid content.

Breeders typically use potency measurements as one of several selection criteria when developing new lines, often crossing high-THC parents to establish stable genetic traits. Potency alone does not determine desirability; breeders also consider cannabinoid ratios, terpene expression, yield, and stability across generations.