Studies on Physiology of Some Plant Pathogenic Bacteria 
35 
Table 9.—Influence of Varying Concentrations of Gllycerine in Plain 
Bouillon Upon the Final pH Concentrations. Initial pH 7.2 
Organisms 
Concen¬ 
tration of 
Glycerine 
Age of Cultures in Days and pH Concentrations 
Days 
1 
2 
4 
6 
8 
10 
Per Cent 
pH 
pH 
pH 
pH 
pH 
pH 
Bacterium tabacum. - 
0.1 
7.2 
7.4 
7.6 
7.8 
8.2 
8.4 
0.3 
7.2 
7.4 
7.6 
7.8 
8.0 
8.4 
0.6 
7.2 
7.4 
7.6 
7.7 
7.8 
8.0 
1.0 
7.2 
7.2 
7.4 
7.6 
7.8 
8.0 
2.0 
7.2 
7.2 
7.4 
7.6 
7.8 
8.0 
Bacterium angulatum_ 
0.1 
7.2 
7.4 
7.6 
7.8 
8.0 
8.2 
0.3 
7.2 
7.4 
7.6 
8.0 
8.2 
8.4 
0.6 
7.2 
7.2 
7.4 
7.6 
7.8 
8.0 
1.0 
7.2 
7.2 
7.3 
7.4 
7.6 
7.8 
2.0 
7.2 
7.2 
7.2 
7.4 
7.6 
8.0 
Bacillus carotovorus_ 
0.1 
7.2 
7.0 
7.0 
6.8 
7.0 
7.2 
0.3 
7.2 
7.0 
6.8 
6.6 
6.4 
6.8 
0.6 
7.2 
7.0 
6.8 
6.6 
6.4 
7.0 
1.0 
7.2 
6.8 
6.4 
6.8 
7.2 
7.4 
2.0 
7.2 
6.8 
6.4 
6.2 
6.0 
5.6 
Bacterium glycineum __ 
0.1 
7.2 
7.2 
7.4 
7.6 
7.7 
7.8 
0.3 
7.2 
7.2 
7.0 
7.0 
7.2 
7.6 
0.6 
7.2 
7.0 
6.8 
7.0 
7.2 
7.4 
1.0 
7.2 
7.0 
6.8 
6.4 
6.8 
7.2 
2.0 
7.2 
7.0 
6.8 
6.4 
6.8 
7.2 
Bacterium sojae_ - 
0.1 
7.2 
7.2 
7.4 
7.6 
7.8 
8.4 
0.3 
7.2 
7.2 
7.4 
7.5 
7.6 
7.8 
0.6 
7.2 
7.2 
7.2 
7.4 
7.4 
• 7.6 
1.0 
7.2 
7.2 
7.2 
7.4 
7.4 
7.6 
2.0 
7.2 
7.2 
7.2 
7.3 
7.4 
7.6 
Bacterium campestre. . - 
0.1 
7.2 
7.2 
7.4 
7.6 
8.0 
8.2 
0.3 
7.2 
7.2 
7.4 
7.6 
8.0 
8.4 
0.6 
7.2 
7.2 
7.5 
7.6 
8.2 
8.4 
1.0 
7.2 
7.2 
7.6 
7.6 
8.0 
8.4 
2.0 
7.2 
7.2 
7.6 
7.8 
8.0 
8.2 
