Treatment of sunflower roots

Treatment of sunflower roots lies, first of all, in proper care behind this plant. Sunflower is an annual tall, powerful plant. Stem The sunflower is thick, strong, does not branch, and has a loose core. Taproot sunflower goes deep into the soil an average of three meters. From him extend lateral roots one meter to the sides. On one plant there are about 20-30 leaves, they are rough and pointed at the top. The inflorescence is a basket, which is surrounded below by a wrapper of leaves. There are golden flowers on the outside of the basket.
One of the diseases is coal dust. This disease is caused mushroom. It is localized in main root and basal neck. The disease causes leaves to dry out, wilt and die. Sunflower root treatments include using tolerant varieties, compliance with crop rotation, seed treatment with fungicides.
Bacterial canker of sunflower roots manifests itself underdevelopment of the root system, the formation of growths and swellings, the death or underdevelopment of lateral roots. The central root shortens to 15-20 centimeters, it thickens and becomes deformed. A section of the root shows tissue browning, suberization, death and ruptures. Such sunflower plants are stunted, the stem becomes ribbed, shrinks, and their internodes are shortened. The baskets are underdeveloped, funnel-shaped with bent edges. The seeds are brown and puny.To protect against bacterial disease, you must use resistant varieties, treat seeds before sowing, and use antibacterial drugs and complexes.