In the Lviv region, a dangerous sunflower disease, sclerotiniosis, is being recorded everywhere.

Prolonged rains, excessive soil and air humidity in the Lviv region have led to the manifestation of sclerotiniosis (white rot) in sunflowers. Another reason was the oversaturation of crop rotations with sunflower and soybean. SuperAgronom.com reported on the problem of plant infection by white rot by Yuriy Yakubchuk, the Lviv region manager of the DEFENDA brand. The disease affects the stems, heads, and root collar. It causes the most damage to sunflowers, soybeans, and rapeseed. "There are several forms of sclerotiniosis: root form, stem, and head. The root form occurs when the plant wilts, watery rot appears on the root collar, which turns white and then forms a white coating with the mycelium of the fungus Sclerotinia sclerotiorum. As a result, the plant dries up or falls completely," the specialist explained. The stem form manifests as light brown spots on the stem, in the middle or part of the stem. It becomes soft, watery, and dries up. Cavities with black sclerotia form on ...