Studies on Physiology of Some Plant Pathogenic Bacteria 
27 
Table 1.—Influence of Initial pH Concentration of Bouillon on Rate 
of Cell Multiplication 
Name of Organism 
Bacterium glycineum-. 
Bacterium sojae. 
Bacterium campestre-. 
Bacterium angulatum.. 
Bacterium tabacum_ 
Bacillus carotovorus.-- 
Number of Bacteria per cc. 
Culture 
Hours 
pH 
5.4 
pH 
5.8 
pH 
6.4 
pH 
7.0 
pH 
7.4 
pH 
7.8 
pH 
8.4 
pH 
9.0 
0 
5000 
5000 
4000 
3000 
2000 
2000 
1000 
2 
6000 
13000 
8000 
5000 
3000 
1000 
1000 
4 
8000 
22000 
17000 
8000 
5000 
2000 
1000 
6 
12000 
35000 
38000 
14000 
8000 
2000 
1000 
8 
15000 
50000 
80/100 
28000 
11000 
3000 
2000 
0 
1000 
8000 
3000 
2000 
2000 
1000 
2000 
2 
1000 
8000 
5000 
3000 
4000 
1000 
3000 
4 
1000 
9000 
9000 
6000 
8000 
2000 
3000 
6 
1000 
13000 
18000 
18000 
17000 
5000 
5000 
8 
2000 
30000 
37000 
42000 
30000 
10000 
6000 
0 
2000 
8000 
• 8000 
12000 
10000 
9000 
6000 
2 
2000 
8000 
13000 
16000 
14000 
9000 
5000 
4 
3000 
13000 
18000 
23000 
19000 
13000 
6000 
6 
4000 
21000 
22000 
31000 
30000 
16000 
8000 
8 
4000 
28000 
30000 
60000 
60000 
28000 
12000 
0 
13000 
35000 
45000 
74000 
34000 
73000 
2 
14000 
45000 
53000 
82000 
54000 
75000 
4 
20000 
85000 
65000 
216000 
109000 
90000 
* 
6 
23000 
180000 
191000 
560000 
240000 
150000 
8 
30000 
300000 
320000 
1200000 
530000 
250000 
pH 
pH 
pH 
pH 
pH 
pH 
pH 
5.2 
5.7 
6.2 
7.0 
8.0 
8.5 
9.0 
0 
18000 
38800 
26400 
31400 
38900 
34800 
18000 
2 
17500 
72000 
55000 
72500 
66500 
70000 
18200 
4 
20000 
130000 
120000 
160000 
120000 
1500QO 
19000 
6 
21000 
270000 
250000 
340000 
230000 
700000 
20000 
8 
22000 
740000 
650000 
112000 
540000 
1100000 
21000 
10 
22000 
1220000 
1400000 
2700000 
1200000 
2000000 
22000 
pH 
pH 
pH 
pH 
pH 
pH 
pH 
5.4 
5.8 
6.4 
7.2 
7.6 
8.0 
8.5 
0 
6000 
14000 
16000 
7000 
17000 
15000 
10000 
2 
8000 
20000 
28000 
11000 
28000 
20000 
14000 
4 
12000 
42000 
50000 
22000 
49000 
48000 
26000 
6 
20000 
99000 
130000 
40000 
112000 
90000 
47000 
8 
33000 
180000 
350000 
95000 
170000 
200000 
90000 
