A Bacterial Disease of Stone Fruits 



391 



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Fig. 65. — Alexander apricot leavei 

 a i c-days-old^slant Hiss-glucose 

 water and then applied to th< I ■ 

 betwi • n thumb and fingers. In 

 mi Ant/us' 27, 191S 

 n, Inoculated with a pure culture obtained from an apricot twig 



//, Inoculated with a purr culture oldnineil from u nectarine twig 



c, Check. Steril water was applied to the leaves 



./, Inoculated with a purr culture obtained from a peach twig 



.,' Inoculated with a pun culture obtained from a plum twig 



Itures of Bacterium Pruni. The growth from 

 lixed in one hundred cubic centimeters of sterik 

 s into the water and gently rubbing the leaves 

 .Inn. :■', I at .', ami the photograph was made 



