-51- 





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Figure 47 



Figure 48 



Electron microgr 

 showing cylindri 

 tides are attac 

 nonspecific reac 

 sioris are not pr 

 with antiserum t 

 (1/20 dilution) 

 ChrChloroplast , 

 Same tissue and 

 antiserum diluti 

 particles are mo 

 the inclusion at 

 shown in Fig. 47 

 NrNucleus. Bar 



aph of BYMV-infected 

 cal inclusions to whi 

 hed. Arrows show the 

 tion where the cylind 

 esent. Sections were 

 o BYMV cylindrical in 

 and labelled with pro 

 D .-Dense body. Bar = 

 treatments as in Fig. 

 on of 1/1000. Note t 

 re specifically assoc 

 this antiserum dilut 

 DrDense body. 

 = 3 25 nm. 



pea 

 ch g 



loc 

 rica 



inc 

 clus 

 tein 

 325 



47, 

 hat 

 iate 

 ion 



leaf cell 

 old par- 

 ation of 

 1 inclu- 

 ubated 

 ions 



A-gold. 

 nm. 



at an 

 the gold 

 d with 

 than 



