Diseases

Distribution and disease severity of Septoria Leaf Spot (Septoria oryzae Catt.)

Object description Download GIS-layers

Authors:

Specialist-biologist E.L. Gasich,
GIS-specialist M.I.Saulich.

Date of creation:

11.08.2004.

Scale:

1:20 000 000.

Accuracy of map:

Map was created based on materials of maps of natural scale 1:33 000 000

Projection:

"Alber.s Equal Area Conic", 9, 1001, 7, 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 presented in all regions where Septoria Leaf Spot has been documented according to scientific publications. Within the area of distribution an area of low disease severity was determined.

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. The disease is distributed everywhere throughout the territory of rice growing and has low severity (Dorofeeva et al., 1992).

Reference citations:

Dorofeeva L.L., Kodyakov A.A., Kratenko V.P., Lebedev M.B., Motovilin A.A., Tikhonova N.A. 1992. Fungal diseases of rice. Tashkent: FAN. 94 p. (In Russian)
Egorova L.N., Oksenyuk G.I. 1989. Mycoflora of rice in Primorskii Territory. In: Reifman V.G., Dyakonov K.P., eds. Plant protection in the Far East. Vladivostok: Dalnevostochnoe branch of Academy of Science of SU. 66-71 p. (In Russian)
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.].
Peresypkin V.F. 1987. Diseases of rice. In: Peresypkin V.F. Atlas of crop diseases. Kiev: Urozhai. 61-64 p. (In Russian)
Teterevnikova-Babayan D.N. 1987. Fungi of the genus Septoria in the USSR. Yerevan: Academy of Sciences of Armenian SSR. 320 p. (In Russian)

Right and copyright:

All rights reserved. Copyright © E.L. Gasich & M.I. Saulich (vector map, description).