Walnut Tree Diseases and Pests
Crown Gal is caused by the bacterium Agrobacterium tumefaciens and it usually concerns young trees. The most common symptom is tumors (overgrowth) that appear in the roots, just above or […]
Crown Gal is caused by the bacterium Agrobacterium tumefaciens and it usually concerns young trees. The most common symptom is tumors (overgrowth) that appear in the roots, just above or […]