Isolation and Molecular Characterization of Potential Plant Growth Promoting Bacillus cereus GGBSTD1 and Pseudomonas spp. GGBSTD3 from Vermisources

Table 4

Leaf area of Vigna unguiculata grown on vermiculite supplemented with Bacillus cereus, with Pseudomonas spp., and with their consortium (1 : 1) at five different concentrations (1, 2, 3, 4, and 5 mL) on the 5th, the 10th, and the 15th days and in the control.

Experiments^a	Quantity; of bacterial cultures added	Leaf area (cm^2)^b
		5th day	10th day	15th day
Exp0	1 mL	0.27 (ab)	0.94 (abc)	4.07 (b)
	2 mL	0.35 (ab)	1.02 (ab)	4.19 (abc)
	3 mL	0.40 (abc)	1.25 (ab)	4.71 (bcd)
	4 mL	0.48 (ab)	1.38 (abc)	5.10 (ab)
	5 mL	0.54 (abc)	1.61 (b)	5.38 (b)
Exp1	1 mL	0.18 (bcd)	1.23 (b)	6.01 (abc)
	2 mL	0.25 (ab)	1.38 (abc)	6.32 (ab)
	3 mL	0.33 (abc)	1.50 (ab)	6.84 (b)
	4 mL	0.38 (ab)	1.68 (ab)	6.86 (abc)
	5 mL	0.44 (abc)	1.91 (bcd)	7.33 (ab)
Exp2	1 mL	0.11 (b)	1.07 (ab)	5.34 (b)
	2 mL	0.14 (ab)	1.19 (ab)	5.59 (ab)
	3 mL	0.17 (abc)	1.27 (ab)	5.79 (ab)
	4 mL	0.21 (ab)	1.53 (abc)	6.31 (abc)
	5 mL	0.26 (ab)	1.66 (b)	6.67 (b)
Exp3	1 mL	0.26 (bcd)	2.97 (ab)	7.53 (bcd)
	2 mL	0.33 (b)	3.25 (ab)	7.87 (ab)
	3 mL	0.40 (ab)	3.50 (bcd)	8.11 (bcd)
	4 mL	0.44 (b)	3.84 (b)	8.61 (b)
	5mL	0.62 (ab)	4.00 (bcd)	9.05 (ab)

Exp0: nutrient solution (control), Exp1: Bacillus cereus, Exp2: Pseudomonas spp., Exp3: consortium of Bacillus  cereus + Pseudomonas spp. (1 : 1).
^bMean of two repeated experiments (30 plants). Different letters within parenthesis indicate significant difference between treatments for each growth parameter using Duncan’s multiple range test .