Nematodes

Infestations with the beet cyst nematode may be fairly regularly distributed throughout a field or, more commonly, may occur in several randomly distributed, localized areas. It typically takes several years before the population densities increase to levels that affect plant growth and cause obvious aboveground symptoms. Fields will have oval-shaped spots with spinach plants in the center most severely affected. The spinach appears small, chlorotic, and stunted. The symptomatic areas may