Diseases
Distribution of Rhizoctonia Root Rot of wheat; Rhizoctonia solani .
Object description Download GIS-layers
Authors:
Specialist-biologist - T.Yu. Gagkaeva, GIS-specialist - M.I. Saulich.Date of creation:
22.08.2003.Scale:
1:20 000 000.Accuracy of map:
Map was created based on materials of maps of natural scale 1:40 000 000.Projection:
"Alber's Equal Area Conic for the USSR", 9, 1001, 1, 100, 0, 44, 68, 0, 0.Basic contents:
Vector map. Area of species distribution and zones of disease severity are shown by polygons.Accuracy of classifier:
Disease distribution is represented by a single zone. All regions were mapped where Rhizoctonia Root Rot was revealed according to scientific publications in the North Caucasus and Central European part (Moscow and Belgorod Regions) of Former Soviet Union.Method of map production:
Scientists were given maps with boundaries of Oblasts and arable lands. After reviewing historic literature, species distribution was hand drawn on maps. If data were on the Oblast-level, distribution is on the Oblast level. In some cases, Oblast.s are further refined by boundaries of the Arable Land Map (Koroljeva et al., 2003). Hand drawn maps were scanned, georeferenced and vectorized. And accurate definition of the disease distribution was determined according to the limits of the largest wheat production area.Reference citations:
Koroljeva IE, Vilchevskaya EV, Ruhovich DI. 2003. Digital Arable Land Map. Laboratory of Soil Information of the Dokuchaev Soil Institute, Moscow, Russia [Based on: Yanvareva LF. (ed.), Martynjuk KN., Kisileva NM. 1989. Map of Land Use, Faculty of Geography, Moscow State University, Moscow, Russia.].Levitin M.M., ed. 1998. Recommendations for winter wheat protection against complex of harmful objects in the Belgorod Region. St. Petersburg: VIZR. 1-4 p. (In Russian)
Tsvetkova N.A., Fedorova F.A., Ladonin V.F., Tsimbalist N.I., Aliev A.M., Simon A.M. 1995. Action and interaction of fertilizers and their influence on health state of winter wheat crops. In: Protection of grain crops from diseases in modern agriculture. St. Petersburg: VIZR. 18-39 p. (In Russian)
Vlasov D.Yu., Nikitina E.V., Zhukova M.V., Yegorova N.Yu., Khlopunova L.B. 1995. Species composition of micromycetes occurring in the Rostov Region. In: Protection of grain crops from diseases in modern agriculture. St. Petersburg: VIZR. 82-92 p. (In Russian)