Table 1: Anatomical changes induced by C. michiganensis subsp michiganensis strain ІZ-38 in tomato leaves with or without PGPB pre-treatment.
| Indicators |
Healthy Plants |
Infected Plants |
PGPB Treated Plants Infected with C. Michiganensis
|
| Bacillus Subtilis |
Pseudomonas Fluorescens |
Azotobacter Chroococcum |
| Leaf blade thickness |
158.1±1.42 |
148.1±1.67¤
|
170.2±1.12*¥
|
163.4±1.22*¥
|
165.2±1.33*¥
|
| Thickness of columnar mesophyll |
61.2±0.56 |
58.1±0.19¤
|
67.3±0.82*¥
|
64.0±0.91*¥
|
65.2±0.84*¥
|
| Thickness of spongy mesophyll |
78.5±0.42 |
58.7±0.74¤
|
84.5±0.12*¥
|
80.1±0.21*¥
|
82.3±0.36*¥
|
| Ratio of thickness of columnar and spongy mesophyll |
0.78±0.04 |
1.09±0.06¤
|
0.80±0.02*
|
0.79±0.02*
|
0.79±0.03*
|
| Height of columnar mesophyll cells |
60.2±1.0 |
58.8±0.84 |
64.8±0.8*¥
|
62.3±0.6*¥
|
64.4±0.6*¥
|
| Width of columnar mesophyll cells |
7.1±0.16 |
12.4±0.21¤
|
8.6±0.12*¥
|
8.2±0.10*¥
|
8.0±0.08*¥
|
| Height of spongy mesophyll cells |
18.1±0.66 |
15.5±0.65¤
|
27.4±0.56*¥
|
23.6±0.60*¥
|
25.6±0.63*¥
|
| Width of spongy mesophyll cells |
10.8±0.44 |
8.5±0.35¤
|
15.0±0.42*¥
|
13.8±0.40*¥
|
13.4±0.40*¥
|
| Height of the cells of upper epidermis |
10.6±1.31 |
15.9±0.78¤
|
18.2±1.28¥
|
19.6±1.30¥
|
19.2±1.31¥
|
| Height of the cells of lower epidermis |
7.1±0.30 |
9.8±0.31¤
|
10.4±0.18¥
|
10.6±0.20¥
|
10.8±0.16*¥
|
* ‒ statistically significant differences between the infected plants and PGPB pre-treated plants (p<0.05), ¥ ‒ statistically significant differences between the healthy plants and PGPB pre-treated plants (p<0.05),
¤ ‒ statistically significant differences between the infected plants and the healthy plants.