Sayuk O. Biological characteristics of the fungus solani Kuhn and measures aimed at lowering harful effects on potatoes in Wooded district of Ukraine

The test object was anastomotic groups pathogen Rh. solani, rhizoctoniose potato pesticide. The objective of the research was to study the biology and spread of rhizoctoniose agent the peculiarities of pathogenesis in Wooded district of Ukraine zone as well as the development of aimed at the restriction of the above agent harmfulness in the system of potato seed farming. The methods used were laboratory, combined laboratory-and-field as wel as field ones. The scientific novelty of the statements and conclusions is substantiating and solving the problems related to the effective protection of potatoes against rhizoctoniose. The above problems include the identification of anastomotic groups (AG) Rh. Solani inherent in Wooded district of Ukraine study of their biology and identification of the agent, agricultural, biological and chemical methods of protecting potatoes against rhizoctoniose. The sphere of application is agricultural prodaction.