392 



F. M. Rolfs 



Fig 66 — Burbank plum leaves inoculated with pure cultures of Bacterium Pruni. The growth if*g£ 



/„f„-,,„ thumb and fingers. Inoculations were made on June 27, 191SS, ana mt pnowgrayn 

 August 27, /9i# 



„, /„,„„/„/,,/ loftt a ;.h>t c„^,/v obtained from an apricot twig 



b Inoculated with a pun culture obtained from a nectannt twig 



c. Check Sterih water was applied to thi leaves . 



d Inoculated with a pure culture obtained from a peach twig 



e Inoculated with a pure culture obtained from a plum twig 



