Low Thc High Cbd Genetics

Low-THC/High-CBD genetics refer to cannabis plants bred to express elevated cannabidiol (CBD) content while maintaining minimal tetrahydrocannabinol (THC) levels. These lineages typically result from selective breeding of hemp-derived or CBD-dominant cultivars, with THC often below 0.3% in jurisdictions where this threshold defines legal hemp. The genetic architecture favoring this profile involves recessive traits in THCA synthase activity combined with upregulation of CBDA synthase enzymes. Breeders working in this category often cross CBD-rich parents or backcross to stabilize the trait across generations. Documentation of these genetics comes primarily from seed bank records, breeding registries, and cultivar databases rather than published cannabinoid assays.

Breeders targeting therapeutic hemp production and CBD extraction rely on low-THC/high-CBD genetics to ensure consistent legal compliance and reliable cannabinoid yields. Stabilizing this ratio through multi-generational selection is central to developing commercially viable CBD cultivars for regulated markets.