Assessing the Efficacy of Broad-Spectrum Antibiotics in Controlling Bacterial Contamination in the In Vitro Micropropagation of Ginger (Zingiber officinale Rosc)
Table 4
Effects of single antibiotics on shooting performance of ginger (Z. officinale Rosc).
Treatment
mg/L
Mean (SD) shoot number
Mean shoot length (cm)
(%) Color change
Control
0
1.00 (0.00)e
0.50 (0.00)e
0
Streptomycin
50
2.25 (0.25)cd
2.50 (0.25)b
0
100
2.19 (0.17)cd
1.68 (0.06)cd
0
200
1.11 (0.19)e
0.55 (0.09)e
0
Kanamycin
50
1.63 (0.15)d
0.92 (0.06)e
0
100
1.50 (0.25)d
0.75 (0.13)e
0
200
1.08 (0.14)e
0.51 (0.02)e
0
Gentamicin
50
1.94 (0.48)d
1.40 (0.08)d
0
100
1.89 (0.19)d
1.00 (0.33)de
0
200
1.72 (0.25)d
1.20 (0.32)de
0
Cefotaxime
50
7.10 (0.36)a
4.20 (0.26)a
13
100
2.86 (0.59)b
2.86 (0.55)b
29
200
2.49 (0.16)bc
2.02 (0.23)c
38
Means in the same column with different letters are statistically significantly different at ; SD: standard deviation.
