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Table 1. Microbial load of G.diazotrophicus and influence of growth regulators on the
multiplication in growth solution of paddy (under hydroponic condition)
Treatments
Population (CFU / ml of growth solution)
3 rd day 6 th day 9 th day 12 th day 15 th day
T1-G.diazotrophicus 6.15x10
alone
3
7.23x10
(3.788)
3
1.02x10
(3.859)
5
1.13x10
(5.008)
5
1.15x10
(5.053)
5
(5.060)
T2- IAA 5ppm + Gd 5.31x10 3
5.36x10
(3.725)
4
3.83x10
(4.729)
5
4.2 x10
(5.583)
5
4.26x10
(5.623)
5
(5.629)
T3- IAA 5ppm + Gd 5.23x10
+VAM
3
5.25x10
(3.718)
4
3.81x10
(4.720)
5
4.13x10
(5.580)
5
4.31x10
(5.615)
5
(5.634)
T4- 2,4-D 5ppm + Gd 4.07x10 3
3.48x10
(3.609)
4
2.63x10
(4.541)
5
3.21 x10
(5.419)
5
3.21x10
(5.506)
5
(5.506)
T5- 2,4-D 5ppm + Gd 4.72x10
+VAM
3
3.94x10
(3.673)
4
2.50x10
(4.595)
5
3.30x10
(5.397)
5
3.34x10
(5.518)
5
(5.523)
T6- NAA 5ppm + Gd 3.27x10 3
2.89x10
(3.514)
4
1.06x10
(4.460)
5
1.13x10
(5.025)
5
1.74x10
(5.053)
5
(5.240)
T7- NAA 5ppm + Gd 2.89x10
+VAM
3
2.72x10
(3.461)
4
1.08x10
(4.434)
5
1.12x10
(5.033)
5
1.81x10
(5.049)
5
(5.257)
Sed
CD(0.05)
Treatments
0.211
0.422
Days
0.178
0.356
Treatments X Days
0.473
0.944
*Transformed Log10 values in parentheses
Table 2. Microbial load of G.diazotrophicus in the roots of paddy and influence of
growth regulators on the colonisation (under hydroponic condition)
Treatments
Population (CFU / g dry weight of root)
3 rd day 6 th day 9 th day 12 th day 15 th day
T1-G.diazotrophicus 9.10x10
alone
2
1.82x10
(2.959)
3
1.01x10
(3.260)
4
1.20x10
(4.004)
4
1.25x10
(4.079)
4
(4.096)
T2- IAA 5ppm + Gd 5.20x10 2
9.14x10
(2.716)
3
1.25x10
(3.960)
4
1.32 x10
(4.096)
4
1.43x10
(4.120)
4
(4.155)
T3- IAA 5ppm + Gd 7.10x10
+VAM
2
1.10x10
(2.851)
4
1.34x10
(4.041)
4
1.38x10
(4.127)
4
1.46x10
(4.139)
4
(4.164)
T4- 2,4-D 5ppm + Gd 5.32x10 2
7.10x10
(2.725)
2
9.57x10
(2.851)
3
9.64x10
(3.980)
3
9.87x10
(3.984)
3
(3.994)
T5- 2,4-D 5ppm + Gd 8.50x10
+VAM
2
4.92x10
(2.929)
3
8.61x10
(3.691)
3
9.53x10
(3.935)
3
9.71x10
(3.979)
3
(3.987)
T6- NAA 5ppm + Gd 1.00x10 2
2.86x10
(2.000)
3
6.93x10
(3.456)
3
7.18x10
(3.840)
3
7.24x10
(3.856)
3
(3.859)
T7- NAA 5ppm + Gd 1.10x10
+VAM
2
1.67x10
(2.041)
3
6.31x10
(3.222)
3
7.20x10
(3.800)
3
7.20x10
(3.857)
3
(3.857)
SEd
CD (0.05)
Treatments
0.051
0.102
Days
0.043
0.086
Treatments X Days
0.115
0.229
*Transformed Log10 values in parentheses
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