RESPONSE OF PINES TO TREE RUST ISOLATES 



501 



Figure 3. Gall formation at 12 months following pine inoculations 

 with various isolates of Crcnartiion: (A) slash pine and (B) 

 loblolly pine inoculated with C. fusiforme isolate No. 1; (C) 

 short leaf pine and (D) loblolly pine inoculated with C. quevcuwn 

 Mississippi isolate No. 1; (E) slash pine inoculated with C. 

 quevcuwn Mississippi isolate No. 2; (F) jack pine inoculated with 

 C. quereuum Wisconsin isolate No. 1; (G) sand pine and (H) lobloll) 

 pine inoculated with C. quereuum North Carolina isolate No. 2. 



