Assessing the Efficacy of Broad-Spectrum Antibiotics in Controlling Bacterial Contamination in the In Vitro Micropropagation of Ginger (Zingiber officinale Rosc)
Table 5
Effects of antibiotic combinations on the shooting performance of ginger (Z. officinale Rosc).
Treatment
mg/L
No. of shoots/explant
Length of shoots (cm)
Mean (SD)
Mean (SD)
Control
1.00 (0.00)e
0.50 (0.00)e
Streptomycin + kanamycin
25
1.60 (0.24)d
0.69 (0.20)de
50
0.67 (0.57)ef
0.40 (0.36)e
100
0.67 (0.57)ef
0.46 (0.39)e
Streptomycin + gentamicin
25
1.37 (0.32)de
0.71 (0.20)de
50
1.75 (0.25)d
0.87 (0.12)d
100
1.41 (0.38)de
0.91 (0.14)d
Streptomycin + cefotaxime
25
7.51 (0.27)a
3.56 (0.17)a
50
3.01 (0.27)b
1.97 (0.05)bc
100
2.41 (0.14)c
1.62 (0.21)c
Kanamycin + cefotaxime
25
0.33 (0.57)f
0.16 (0.28)e
50
1.56 (0.19)d
0.93 (0.20)d
100
1.49 (0.18)de
0.82 (0.16)de
Kanamycin + gentamicin
25
1.00 (0.00)e
0.60 (0.10)de
50
1.17 (0.28)de
0.58 (0.14)de
100
1.33 (0.57)de
0.63 (0.11)de
Cefotaxime + gentamicin
25
3.10 (0.17)b
2.27 (0.25)bc
50
1.91 (0.14)cd
1.92 (0.14)bc
100
2.50 (0.17)bc
1.78 (0.38)c
Means in the same column with different letters are statistically significantly different at ; SD: standard deviation.
