TABLE 2.

Effects of rice endophytic bradyrhizobia on growth, nodulation, and nitrogen fixation on mung bean (cv. SUT4)^a

Bacterial strain	ARA (nmol ethylene · h−1 · nodule dry weight−1)	No. of nodules per plant	Nodule (mg [dry wt] · plant−1)	Plant (g [dry wt] · plant−1)
Control	0.00 ± 0.00 D	0.00 ± 0.00 C	0.00 ± 0.00 C	0.42 ± 0.02 CD
SUT-R3	7.07 ± 0.15 D	6.00 ± 1.53 C	2.63 ± 2.01 BC	0.42 ± 0.07 CD
SUT-PR9	0.00 ± 0.00 D	0.00 ± 0.00 C	0.00 ± 0.00 C	0.58 ± 0.16 BC
SUT-PR48	0.00 ± 0.00 D	0.00 ± 0.00 C	0.00 ± 0.00 C	0.32 ± 0.10 D
SUT-R55	44.88 ± 9.99 B	16.00 ± 0.57 B	8.66 ± 0.50 BC	0.62 ± 0.19 BC
SUT-PR64	0.00 ± 0.00 D	0.00 ± 0.00 C	0.00 ± 0.00 C	0.45 ± 0.07 CD
SUT-R74	0.00 ± 0.00 D	0.00 ± 0.00 C	0.00 ± 0.00 C	0.40 ± 0.07 CD
SUTN9-2	81.11 ± 3.11 A	17.00 ± 4.50 B	12.13 ± 2.73 B	0.80 ± 0.10 AB
ORS285	0.39 ± 0.01 D	5.00 ± 2.00 C	5.00 ± 2.00 BC	0.43 ± 0.04 CD
PRC008	17.50 ± 1.33 C	60.00 ± 14.90 A	49.83 ± 17.40 A	0.94 ± 0.19 A

^aDifferent letters in the same column indicate significant differences between treatments (P ≤ 0.05) (n = 3).