| | identification/taxonomy (3) general biology, morphology, evolution (1) control, general (1) surveys/sampling/distribution (13) quarantine treatments/regulations/aspects (1) population dynamics/ epidemiology (1) environment, cropping system/rotation (1) transmission/dispersal of plant diseases (1) review (4) | Africa - North (1) Africa - South (1) Europe - South (3) Europe - East (7) Near East (3) Asia - West (3) Australia/Pacific (3) North/Central America (1) South America (3) |