Apical Dominance Reduced

Apical dominance reduction refers to a plant structure trait where the central main stem does not strongly suppress lateral branch development, resulting in a more bushy, multi-headed canopy rather than a single dominant cola. This characteristic is often observed in certain cannabis genetics and can influence how plants allocate resources across multiple flowering sites. Breeders working with reduced apical dominance report more even light distribution and potentially more uniform bud maturation across the plant. The trait is typically polygenic—controlled by multiple genes—making it variable across generations and crosses. Understanding this structural behavior is relevant for cultivation planning, indoor light design, and breeding programs targeting specific plant architectures.

Breeders select for reduced apical dominance when developing cultivars suited to constrained grow spaces or when aiming for multi-main-cola phenotypes. This trait can interact with pruning responses and environmental factors, making it a useful marker in phenotype screening during strain development.