Biochemical and Molecular Phylogenetic Study of Agriculturally Useful Association of a Nitrogen-Fixing Cyanobacterium and Nodule Sinorhizobium with Medicago sativa L.

Table 2

Number and mass of root nodules on alfalfa plants inoculated by mono- and binary suspensions of microorganisms.

Inoculants	Phase of plant development
	Stooling		Budding		Flowering
	Number of root nodules; (pcs/plant)	Mass of root nodules; (g/plant)	Number of root nodules; (pcs/plant)	Mass of root nodules; (g/plant)	Number of root nodules; (pcs/plant)	Mass of root; nodules; (g/plant)
Without inoculation (control)	0	0	0	0	0	0
N. PTV	0	0	0	0	0	0
S. meliloti Т17	12,0 ± 1,0	0,010 ± 0,00	30,0 ± 8,5	0,115 ± 0,002	45,0 ± 0,5	0,135 ± 0,02
S. meliloti Т17 + N. PTV	14,0 ± 0,6	0,017 ± 0,04	57,0 ± 8,0	0,130 ± 0,001	70,0 ± 7,5	0,160 ± 0,02

Note. 15 plants of each variant of the experiment were analyzed for determination the average number of nodules on the roots of one plant.
≤ 0,05.