Thc Dominant Ratios

THC-dominant ratios refer to cannabis genetics where tetrahydrocannabinol (THC) comprises the majority of measured cannabinoid content, typically 75% or higher of total cannabinoid profile. This classification emerged as cannabinoid testing became standard in regulated markets, allowing breeders to identify and stabilize strains with minimal CBD, CBN, or other minor cannabinoids. Plants expressing THC-dominant chemotypes are commonly associated with lineages derived from equatorial or subtropical landrace origins, though modern cultivation has made this ratio achievable across diverse genetic backgrounds. Understanding THC-dominant ratios is essential for breeding programs focused on potency selection, as phenotypic expression depends on both genotype and environmental factors. Lineage records frequently report that many contemporary strains—including Sativa-dominant and Indica-dominant

Breeders working in THC-dominant selection use cannabinoid ratio data to identify parental plants with consistent high-THC expression, enabling targeted crosses to stabilize these traits across generations. Maintaining THC-dominant ratios requires attention to preservation of non-intoxicating cannabinoid suppression genes, which can be lost if selection pressure shifts.