Colchicine Doubling
Colchicine doubling is a chemical mutagenesis technique where colchicine—an alkaloid derived from Colchicum autumnale—is applied to plant tissues to induce chromosome doubling (polyploidy). In cannabis breeding, this process converts diploid plants (2n) to tetraploid (4n), potentially altering plant vigor, cannabinoid expression, and morphology. Breeders working in this category report variable outcomes: some tetraploid lines exhibit increased biomass or altered terpene profiles, while others show reduced fertility or developmental stress. Colchicine doubling remains a specialized breeding tool rather than standard practice, partly due to regulatory complexity and unpredictable phenotypic results. Documentation of colchicine-doubled lines is limited in public breeding records.
Colchicine Doubling strains
No strains tagged into Colchicine Doubling yet — they'll appear here as breeders submit lineage records under this classification.
Colchicine doubling is a chemical mutagenesis technique where colchicine—an alkaloid derived from Colchicum autumnale—is applied to plant tissues to induce chromosome doubling (polyploidy). In cannabis breeding, this process converts diploid plants (2n) to tetraploid (4n), potentially altering plant vigor, cannabinoid expression, and morphology. Breeders working in this category report variable outcomes: some tetraploid lines exhibit increased biomass or altered terpene profiles, while others show reduced fertility or developmental stress. Colchicine doubling remains a specialized breeding tool rather than standard practice, partly due to regulatory complexity and unpredictable phenotypic results. Documentation of colchicine-doubled lines is limited in public breeding records.
Breeders employ colchicine doubling to create novel polyploid genetics for trait exploration and heterosis potential. The technique is most relevant in research and boutique breeding programs investigating cannabinoid or morphological variation through chromosome manipulation.
Educational reference · Cultivar metadata only · No medical claims