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Table 4 VAP test—total lateral root length

From: Plant growth-promoting effects of rhizospheric and endophytic bacteria associated with different tomato cultivars and new tomato hybrids

  Sample Total lateral root length (cm) Stdev p-value comparing to the control
Rhizospheric strains Control 12.50 3.38  
1 12.83 5.08 1.0
2 14.20 1.89 1.0
3 12.16 2.51 1.0
4 10.07 2.45 0.94
5 9.95 2.10 0.92
6 6.12 1.84 0.054 +
7 15.44 4.21 0.84
8 15.65 2.66 0.79
Root endophytes Control 12.03 3.58  
9 8.15 2.03 0.67
10 4.55 3.55 0.018 *
11 8.97 2.59 0.89
12 7.40 1.69 0.42
13 8.23 2.47 0.7
14 8.89 3.19 0.88
15 5.59 2.20 0.069 +
16 5.63 3.23 0.072 +
17 10.73 5.37 1.0
18 5.36 2.71 0.052 +
  1. Total lateral root length measurement after 8 days growth. Control: Arabidopsis thaliana VAPs not inoculated; Stdev standard deviation
  2. Statistical analysis: significant differences *0.01 < p < 0.05, **0.001 < p < 0.01, ***p < 0.001; not significant but relevant differences +0.05 < p < 0.1