SR637

Genetic Protection and Morphology of CP637

The breeding success of Sesvanderhave Nv/Sa with the CP637 model is based on a combination of high phytosanitary resistance and a specific root architecture. Belgian breeders have focused on creating a barrier against a complex of fungal pathogens, which is critical for intensive sugar beet growing regions.

Phytopathological Resistance

The key feature of this hybrid is its targeted resistance to Cercospora leaf spot, which is the primary limiting factor for sugar beet yields. CP637 demonstrates excellent tolerance to powdery mildew and major types of rot. Technically, this is achieved through the density of the leaf apparatus and a high rate of tissue regeneration, which prevents deep penetration of pathogen mycelium during early development stages.

Root Morphological Features

The cylindrical-conical shape of the medium-sized root was chosen for a reason. This geometry provides:

• Optimal depth in the soil, which facilitates mechanized harvesting without losing the tail of the root.
• Uniform sugar accumulation throughout the root structure.
• Minimal surface contact with the soil, reducing the risk of soil-borne rot propagation.

For growers, choosing CP637 means a predictable technological cycle. The hybrid allows for a reduction in the number of fungicide applications while maintaining productivity potential even in years with significant disease pressure.