01043nam a2200313 a 450000100080000000500110000800800410001910000140006024500520007426000300012630000180015649000590017452002780023365000330051165000130054465000140055765000110057165000120058265000120059465000100060665000230061665000110063965000220065065300140067265300090068665300130069565300110070865300100071917590821997-08-15       1971    bl uuuu      00u1 u    #d1 aJAMES, C.  aA manual of assessment keys for plant diseases.  aSt. Paul: APS Pressc1971  anao paginado.  a(Canada Department of Agriculture. Publication, 1458).  aThis manual has been prepared in an endeavor to obtain more uniform and meaningful results on disease assessments for crops. The aim is to calculet the yield losses caused by disease, and therefore we need accurate disease assessment and yield data for different locations.  aPlant diseases and disorders  apotatoes  aBactéria  aBatata  aDoença  aFeijão  aPerda  aPhaseolus Vulgaris  aPlanta  aSolanum Tuberosum  aAvaliacao  aBean  aDiseases  aLosses  aPlant