Evaluation of Bacillus Strains for Plant Growth Promotion and Predictability of Efficacy by In Vitro Physiological Traits
Table 7
Effects of Bacillus test strains on corn growth in three growth pouch experiments (shoot height and shoot weight data not available for trial 3).
Strain
% increase compared to controlx
Lateral root number
Root length (cm)
Shoot height (cm)
Shoot fresh weight (g)
T1y
T2
T3
T1
T2
T3
T1
T2
T1
T2
Bacillus acidiceler R228
17
20
0
27
15
10
44
18
40
20
B. megaterium R181
50
20
−10
41
−17
8
0
13
0
20
B. megaterium R232
17
40
−10
23
2
4
39
9
40
20
B. pumilus R174
33
20
−10
37
2
10
28
23
20
20
B. pumilus R183
17
−40
−20
46
−17
−4
−6
−9
−20
0
B. pumilus R190
−17
−20
−10
10
−4
−2
17
−5
20
0
B. safensis R173
−17
0
0
23
−18
8
−11
27
−20
20
B. safensis R176
−50
40
−10
−10
−17
10
22
18
20
20
B. simplex R180
17
0
−10
46
−7
14
22
13
20
20
Lysinibacillus fusiformis R198
33
−20
−10
18
−10
20
28
32
20
40
Paenibacillus cineris R177
33
−20
−10
37
−13
2
11
13
0
20
P. graminis R200
33
0
0
41
−15
14
22
18
40
20
xPercentage increase of a growth variable by bacterial treatment compared to the control. yT = trial. Significant difference between treatment and control () according to Dunnett’s test.
