In Ternopil region, favorable conditions have emerged for the development and spread of sunflower septoria.

This year in the Ternopil region, favorable conditions have emerged for the development of sunflower septoria. The development of septoria is facilitated by wet and warm weather. This was reported in a comment for SuperAgronom.com by experts from the Agro Department of LNZ Group. The pathogen of the disease is the imperfect fungus Septoria helianthi EII. Et Kell. If early infection occurs, brownish spots appear on the cotyledons, slightly depressed into the tissue. Later, yellow spots with a diameter of 0.8-1 cm with a light border form on the true leaves, which subsequently acquire a dark brown color. Among the possible consequences of sunflower septoria infection: Read on the topic: Development phases of sunflower VVSHN, harmful factors, and crop care To protect sunflower crops from septoria, experts recommend applying Dot (cyproconazole, 80 g/l + propiconazole, 250 g/l) 0.5-0.6 l/ha for the ...