The Bacterial Diseases of the Bean 



17 



Figure 3. primary leaf of a bean plant showing lesions resulting from 



INOCULATING THE STEM OF THE PLANT WITH PHYTOMONAS PHASEOLI 



tion tests do not appear in all cases to be trustworthy. In these latter 

 experiments, negative results always were obtained on the following species : 

 adzuki bean (P. angularis Wight.), cowpea (Vigna sinensis End!.), yard- 



