Symbiotic Efficiency of Native Rhizobia Nodulating Common Bean (Phaseolus vulgaris L.) in Soils of Western Kenya
Table 3
Effect of isolate inoculation on root dry weight, shoot dry weight, N concentration, N content, and SE under controlled experiments in Korando B, Kenya.
Isolate
RDW (g plant−1)
SDW (g plant−1)
N concentration (mg plant−1)
N content (mg plant−1)
Symbiotic efficiency (%)
KSM001
0.90ab
1.59bc
1.82ab
2.89abc
125.0abc
KSM002
0.94ab
1.52c
1.50abc
2.31bc
100.0bc
KSM003
0.96ab
1.84bc
2.06a
3.94a
170.0a
KSM004
0.82b
1.64bc
1.22c
2.07bcd
89.0bcd
KSM005
1.03ab
2.01a
1.45bc
3.01ab
130.0ab
KSM006
0.86ab
1.65ab
1.04cd
1.72bcd
74.0bcd
KSM007
0.86ab
1.65bc
1.31bc
2.17bcd
94.0bcd
KSM008
0.90ab
1.88ab
1.01cd
1.89bcd
81.0bcd
Strain 446
1.07a
1.69abc
1.51abc
2.56abc
110.0abc
CIAT 899
0.56c
1.50c
1.08c
1.55cd
67.0cd
PCNTL
1.07a
1.67abc
1.37bc
2.32bc
100.0bc
NCTL
1.00ab
1.63bc
0.46d
0.75d
—
LSD
0.22
0.36
0.59
1.43
62.0
NCTL: negative control; PCNTL: positive control; LSD is the least significant difference of means; Strain 446 and CIAT 899 are reference commercial inoculants. Means within a column followed by the same letter(s) are not significantly different at < 0.05.
