APPENDIX III 

 COMPARATIVE DIAGNOSES OF ORCHID VIRUSES 

 BY LIGHT MICROSCOPY, ELECTRON MICROSCOPY, AND SEROLOGY 





Foliar 



Diagnostic Method 



s* 



Orchid 









Samples 



Symptoms 



Light 



Electron 



Serology 



(Genus ) 





Microscopy 



Microscopy 





Phaius 



Mosaic 



CyMV, ORSV 



CyMV, ORSV 



CyMV, ORSV 



Cattleya 



Necrosis 



CyMV 



CyMV 



CyMV, ORSV 



Cattleya 



NE** 



- 



- 



- 



Cattleya 



NE 



- 



- 



- 



Odontocidium 



Mottle 



Rhabdovirus 



- 



- 



Odontoglossum 



Mottle 



Rhabdovirus 



- 



- 



Odontoglossum 



Mottle 



Rhabdovirus 



- 



- 



Odontoglossum 



Mottle 



Rhabdovirus 



- 



- 



Odontoglossum 



Mottle 



- 



- 



- 



Wilsonara 



Mottle 



- 



- 



- 



Phalaenopsis 



Chlorosis 



CyMV 



CyMV 



CyMV 



Phalaenopsis 



Chlorosis & 

 Necrosis 



Rhabdovirus 



~ 



™ 



Phalaenopsis 



Chlorosis & 

 Necrosis 



CyMV 



CyMV 



CyMV 



Phalaenopsis 



NE 



CyMV 



CyMV 



CyMV 



Odontocidium 



Mottle & 

 Necrosis 



Rhabdovirus 



" 



~ 



Odontocidium 



Mottle 



ORSV 



ORSV 



ORSV 



Oncidium 



Mottle & 

 Necrosis 



CyMV, 

 Potyvirus 



CyMV 



CyMV 



Oncidium 



Mottle 



- 



- 



- 



Odontoglossum 



Mottle 



Rhabdovirus 



- 



- 



Cattleya 



NE 



CyMV 



CyMV 



CyMV 



Phalaenopsis 



NE 



CyMV, ORSV 



CyMV, ORSV 



CyMV 



Vanilla 



Mottle 



Potyvirus 



- 



- 



Cattleya 



NE 



ORSV 



- 



ORSV 



Vanilla 



NE 



ORSV 



ORSV 



ORSV 



Cattleya 



NE 



CyMV 



CyMV 



CyMV 



Phalaenopsis 



NE 



CyMV 



CyMV 



CyMV, ORSV 



Cattleya 



Necrosis 



CyMV, ORSV 



CyMV, ORSV 



CyMV, ORSV 



Encyclia 



Mottle 



Potyvirus 



- 



- 



Phalaenopsis 



NE 



Potyvirus 



- 



- 



Vanda 



NE 





— 



— 



-73- 



