Studies on Physiology of Some Plant Pathogenic Bacteria 
33 
Table 7. —Influence of Varying Concentrations of Saccharose in Plain 
Bouillon Upon the Final pH Concentrations. Initial pH 7.2 
Organism 
Concen¬ 
tration 
of Sac¬ 
charose 
Age of Cultures in Days and pH Concentrations 
Days 
1 
2 
3 
4 
5 
7 
9 
11 
13 
Per Cent 
pH 
pH 
pH 
pH 
pH 
pH 
pH 
pH 
pH 
Bacterium tabacum. _ . _ 
0.1 
7.2 
7.2 
7.2 
7.4 
7.6 
7.8 
8.2 
8.4 
8.4 
0.3 
7.2 
7.2 
7.2 
• 7.4 
7.6 
8.0 
8.4 
8.4 
8.4 
0.6 
7.0 
6.8 
6.8 
6,4 
6.2 
6.6 
7.4 
8.0 
8.4 
1.0 
7.0 
6.6 
6.4 
6.4 
6.2 
6.4 
7.0 
7.6 
8.2 
2.0 
6.8 
6.4 
6.0 
5.6 
5.6 
5.2 
5.2 
5.0 
5.0 
Bacterium angulatum_ 
0.1 
7.2 
7.2 
7.2 
7.6 
7.8 
8.0 
8.4 
8.4 
8.4 
0.3 
7.2 
7.2 
7.2 
7.4 
7.6 
8.0 
8.2 
8.4 
8.4 
0.6 
7.2 
7.0 
7.0 
7.0 
7.4 
7.6 
8.2 
8.4 
8.4 
1.0 
7.0 
6.6 
6.4 
6.3 
6.2 
6.4 
7.0 
7.6 
8.0 
2.0 
6.8 
6.4 
6.0 
5.6 
5.5 
5.4 
5.2 
5.2 
5.2 
Bacillus carotovorus.- . - 
0.1 
6.4 
6.2 
6.2 
6.4 
6.5 
6.6 
6.8 
7.4 
7.6 
0.3 
5.4 
5.4 
5.3 
5.2 
5.2 
5.2 
5.2 
5.2 
5.2 
0.6 
5.4 
5.2 
5.2 
5.1 
5.0 
5.0 
5.0 
5.0 
5.0 
1.0 
5.3 
5.2 
5.1 
5.1 
5.0 
5.0 
5.0 
5.0 
5.0 
2.0 
5.2 
5.2 
5.1 
5.1 
5.0 
5.0 
5.0 
5.0 
5.0 
Bacterium glycineum_ - 
0.1 
7.2 
7.2 
7.4 
7.6 
7.8 
8.0 
8.2 
8.4 
8.4 
0.3 
7.2 
7.2 
7.4 
7.6 
7.6 
8.0 
8.2 
8.4 
8.4 
0.6 
7.2 
7.0 
6.9 
6.8 
7.0 
7.3 
7.6 
8.0 
8.2 
1.0 
7.2 
7.0 
6.8 
6.6 
6.2 
6.4 
7.0 
7.2 
7.4 
2.0 
7.0 
6.6 
5.8 
5.2 
5.2 
9 
5.1 
5.0 
5.0 
5.0 
Bacterium sojae... 
0.1 
7.2 
7.2 
7.4 
7.6 
7.7 
8.0 
8.2 
8.4 
8.4 
0.3 
7.2 
7.2 
7.4 
7.6 
7.6 
8.0 
8.2 
8.3 
8.4 
0.6 
7.2 
7.0 
7.0 
6.9 
6.8 
7.2 
7.4 
7.8 
8.2 
1.0 
7.2 
7.0 
6.8 
6.6 
6.4 
6.2 
6.8 
7.2 
7.6 
2.0 
7.0 
6.6 
6.2 
5.8 
5.6 
5.4 
5.2 
5.1 
5.0 
Bacterium campestre_ --- 
0.1 
7.2 
7.2 
7.3 
7.4 
7.4 
7.6 
7.6 
7.7 
7.8 
0.3 
7.2 
7.2 
7.3 
7.4 
7.4 
7.5 
7.6 
7.6 
7.8 
0.6 
7.2 
7.3 
7.4 
7.4 
7.4 
7.5 
7.6 
7.8 
7.8 
1.0 
7.2 
7.2 
7.3 
7.4 
7.4 
7.6 
7.6 
7.8 
7.8 
• 
2.0 
7.2 
7.2 
7.2 
7.2 
7.2 
7.3 
7.3 
7.4 
7.6 
