Major Terpenes

Major terpenes are the dominant volatile compounds that define a cannabis cultivar's aromatic profile. In breeding records, the most frequently documented major terpenes include myrcene, limonene, caryophyllene, pinene, and linalool. These compounds are produced in the plant's trichomes alongside cannabinoids, with their relative concentrations varying significantly across lineages and growing conditions. Breeders and chemotaxonomists use terpene profiling to classify cultivars, track genetic stability, and understand how parent plants may influence offspring aromatics. Major terpenes are often correlated with specific strain families, though environmental factors during cultivation can substantially alter final terpene expression. Understanding major terpene composition helps distinguish breeding lines and provides a framework for studying genetic inheritance patterns.

Breeders selecting for stable aromatic traits commonly use major terpene profiles as a selection criterion across generations. Tracking which terpenes consistently express at high levels helps identify genetically stable cultivars suitable for clone preservation or seed production programs.