Skip to main content

Table 7 Influence inoculum on number of secondary roots

From: The growth response of rice (Oryza sativa L. var. FARO 44) in vitro after inoculation with bacterial isolates from a typical ferruginous ultisol

Inoculants

Number of secondary roots

4DAS

5DAS

6DAS

7DAS

2WAS

3WAS

4WAS

A/10

4DAS

5 ± 0.47a

9 ± 0.47a

11 ± 0.47a

15 ± 0.47a

20 ± 0.47a

27 ± 0.47a

A/7.5

3± 0.47a

4 ± 0.47a

8 ± 0.47a

9 ± 0.47b

12 ± 0.47b

14 ± 0.47b

16 ± 0.47b

A/5

1± 0.47b

4 ± 0.47a

7 ± 0.47b

8 ± 0.47b

11 ± 0.47b

14 ± 0.47b

19 ± 0.47c

B/10

Not present

2 ± 0.47b

7 ± 0.47b

9 ± 0.47b

9 ± 0.47c

13 ± 0.47b

16 ± 0.47b

B/7.5

Not present

2 ± 0.47b

7 ± 0.47b

9 ± 0.47b

9 ± 0.47c

11 ± 0.47c

15 ± 0.47b

B/5

1± 0.47b

1 ± 0.47d

3 ± 0.47c

5 ± 0.47c

6 ± 0.47d

9 ± 0.47d

13 ± 0.47d

C/10

1± 0.47b

2 ± 0.47b

7 ± 0.47b

9 ± 0.47b

10 ± 0.47d

13 ± 0.47b

17 ± 0.47b

C/7.5

3± 0.47a

1 ± 0.47d

6 ± 0.47b

6 ± 0.47c

8 ± 0.47c

13 ± 0.47b

15 ± 0.47b

C/5

Not present

3± 0.47a

4 ± 0.47c

6 ± 0.47c

6 ± 0.47d

8 ± 0.47d

11 ± 0.47e

D/10

Not present

Not present

3 ± 0.47c

3 ± 0.47d

5 ± 0.47d

7 ± 0.47de

9 ± 0.47f

  1. DAS = Days after sowing, WAS = Weeks after sowing. Results with similar alphabetic superscripts on same column did not differ from each other (p>0.05). A10, A7.5 and A5.0 = 10 ml, 7.5 ml and 5.0 ml of Bacillus sp., respectively. B10, B7.5 and B5.0 = 10 ml, 7.5 ml and 5.0 ml Proteus sp., respectively. C10, C7.5 and C5.0 = 10 ml, 7.5 ml and 5.0 ml of Klebsiella sp., respectively. D10= 10 ml of control.