Effect of Rhizobium and Phosphate Solubilizing Bacterial Inoculants on Symbiotic Traits, Nodule Leghemoglobin, and Yield of Chickpea Genotypes

Table 2

Symbiotic parameters and leghemoglobin content in nodular tissues at different intervals.

Chickpea genotypes	Nodule number plant^−1			Nodule fresh weight (mg plant^−1)			Nodule dry weight (mg plant^−1)			Shoot dry weight (g plant^−1)			Nodule leghemoglobin (mg g^−1 of fresh nodule)
	Days after sowing			Days after sowing			Days after sowing			Days after sowing			Days after sowing
	35	55	75	35	55	75	35	55	75	35	55	75	35	55	75
Chickpea genotype
IG-226	11.7	18.1	15.8	52.3	87.9	70.8	26.8	49.7	48.1	1.8	9.4	20.2	1.3	1.5	1.5
IG-370	9.5	14.6	13.3	41.2	66.7	63.0	24.5	40.8	38.4	1.7	8.0	18.5	1.1	1.2	1.2
IG-379	14.0	21.7	19.3	67.0	94.8	81.3	32.7	54.3	53.4	2.1	10.4	21.9	1.6	1.8	1.7
JG-412	17.4	24.6	23.3	80.5	117.8	94.2	41.7	61.7	59.9	2.3	11.4	23.6	1.8	2.1	2.0
IG-593	19.9	27.0	25.3	86.8	127.5	100.2	46.2	67.3	65.7	2.6	12.6	25.5	2.1	2.6	2.5
SEm±	1.2	1.2	0.9	2.0	3.1	2.2	0.6	1.3	0.6	0.04	0.3	0.5	0.1	0.7	0.1
LSD (𝑃=0.05)	3.9	3.6	2.8	6.6	10.1	7.3	1.9	4.1	2.0	0.1	1.0	1.7	0.2	0.2	0.3
Microbial inoculants
Control	9.4	15.6	14.8	46.2	56.9	54.1	24.3	39.0	38.0	1.9	9.2	16.6	1.2	1.5	1.5
Rhizobium	18.9	25.4	24.7	67.1	120.9	102.1	40.3	64.6	63.1	2.2	10.8	24.6	1.7	2.0	1.9
PSB	10.0	16.8	15.7	54.8	64.6	61.6	26.3	42.1	40.9	2.0	9.6	20.7	1.3	1.5	1.5
Rhizobium + PSB	20.7	27.7	26.7	95.1	144.9	120.4	46.6	74.3	70.5	2.3	11.8	26.5	2.0	2.3	2.3
SEm±	0.6	0.8	0.7	3.1	3.9	2.8	0.8	1.3	1.3	0.05	0.2	0.3	0.04	0.05	0.1
LSD (𝑃=0.05)	1.7	2.2	1.9	9.1	11.2	8.0	2.3	3.7	3.8	0.1	0.4	0.8	0.1	0.1	0.2

PSB: phosphate solubilising bacteria.