Thc

THC (tetrahydrocannabinol) is the primary psychoactive cannabinoid in cannabis, distinct from terpenes though often discussed alongside them in strain profiles. It is produced in trichomes on flowers and leaves, accumulating as the plant matures. THC is classified by its molecular structure: delta-9-THC is the most abundant form, while delta-8-THC and delta-10-THC occur in trace amounts in most cultivars. Cannabinoid content varies widely across strains due to genetics, growing conditions, and harvest timing. Understanding THC as a cannabinoid—rather than a terpene—is essential for accurate breeding records and strain classification.

Breeders selectively cross parent plants to stabilize THC production levels, targeting high-THC, low-THC, or balanced cannabinoid profiles depending on breeding goals. Modern cultivar development often tracks THC alongside terpene ratios to predict overall chemotype expression.