Cadmium Exclusion
Cadmium exclusion refers to a plant's genetic capacity to limit cadmium uptake from soil into above-ground tissues. Cannabis breeders increasingly study this trait because cadmium—a heavy metal naturally present in many growing substrates—can accumulate in plant material. Strains selected for strong cadmium exclusion mechanisms show reduced translocation of the metal from roots to leaves and flowers. This trait involves root physiology and metal-binding proteins, and varies significantly across genetic backgrounds. Understanding cadmium exclusion is relevant to cultivation in contaminated or recycled soils, and to breeding programs emphasizing phytostability.
Cadmium Exclusion strains
No strains tagged into Cadmium Exclusion yet — they'll appear here as breeders submit lineage records under this family.
Cadmium exclusion refers to a plant's genetic capacity to limit cadmium uptake from soil into above-ground tissues. Cannabis breeders increasingly study this trait because cadmium—a heavy metal naturally present in many growing substrates—can accumulate in plant material. Strains selected for strong cadmium exclusion mechanisms show reduced translocation of the metal from roots to leaves and flowers. This trait involves root physiology and metal-binding proteins, and varies significantly across genetic backgrounds. Understanding cadmium exclusion is relevant to cultivation in contaminated or recycled soils, and to breeding programs emphasizing phytostability.
Breeders working in regions with naturally elevated soil cadmium levels, or those using amended or recycled growing media, may screen for genetic markers and phenotypic traits associated with cadmium exclusion. Selection for this trait can reduce regulatory testing failures and improve substrate sustainability without chemical remediation.
Educational reference · Cultivar metadata only · No medical claims