Page 137 - 《广西植物》2020年第5期
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5 期 田守征等: 剑叶龙血树内生放线菌活性菌株的筛选和鉴定 7 3 3
表 3 剑叶龙血树内生放线菌发酵提取物对病原菌的抑菌活性
Table 3 Antimicrobial activities of endophytic actinomycetes from Dracaena cochinchinensis in different fermented media
抑菌圈直径
菌株编号 培养基 Inhibition zone (mm)
Strain code Medium
a b c d e f g h
S01 A - - - - - - - -
B 8.01 9.28 - - 8.84 - 9.82 30.74
C 12.13 13.27 10.95 - 10.27 10.84 11.14 25.40
D 14.57 10.53 10.03 - 8.76 8.36 8.88 20.34
E 10.29 10.37 11.34 - 8.42 - 11.58 13.63
F 11.34 10.51 - - 11.85 11.02 12.66 28.20
G 13.68 13.89 - 12.89 12.64 10.68 12.52 13.68
H - 8.26 8.79 - - - 9.27 12.36
S02 A 10.80 - 11.62 - - - - 9.90
B 20.98 20.69 21.60 13.21 17.82 17.42 18.89 22.11
C 20.12 21.98 21.35 13.06 17.98 17.72 18.64 19.65
D 17.73 10.90 14.73 - 13.93 11.65 12.05 17.54
E 10.43 - - - - 9.76 - -
F 15.90 16.54 13.75 - - 13.95 12.15 30.61
G 17.38 15.26 19.42 13.87 12.03 14.07 15.48 25.40
H 9.49 - - - 8.34 - 8.46 13.73
S03 A 8.13 - - - - - - -
B 16.35 16.69 15.36 18.46 18.35 18.33 16.54 13.56
C 17.89 18.11 15.81 18.68 17.11 16.35 15.33 13.07
D 16.30 15.92 15.52 15.32 15.98 13.30 14.78 14.92
E 14.40 16.17 16.61 15.89 16.83 15.77 22.50 14.14
F 13.74 15.79 14.47 10.12 14.05 15.48 16.14 9.67
G 15.47 13.81 14.34 15.64 14.01 14.15 15.48 -
H 8.37 - - - - - 1.00 -
S04 A 11.46 15.50 12.34 12.30 10.26 - 13.99 -
B 25.70 28.21 27.64 23.50 23.40 20.02 23.51 -
C 25.83 28.08 25.94 23.86 22.98 20.87 23.65 -
D 23.96 25.07 25.10 23.20 22.43 19.17 21.38 -
E 19.02 21.12 22.37 21.07 18.91 18.93 19.48 -
F 22.40 23.29 23.38 21.34 20.25 20.81 21.08 -
G 28.34 28.35 25.47 23.95 22.62 25.00 32.61 -
H 20.16 23.93 21.12 23.62 17.13 18.42 17.49 -
S05 A 15.05 15.60 15.50 13.54 13.31 17.04 12.04 -
B 12.53 10.71 13.33 - 11.32 - 8.55 12.27
C 16.56 11.76 15.03 13.38 11.71 14.23 13.97 13.58
D 12.63 10.94 11.66 - - 10.04 8.86 16.01
E 11.80 11.86 10.05 - 8.13 9.52 8.66 16.90
F 10.81 11.85 10.88 - 9.63 8.60 9.07 21.92
G 10.31 17.98 - 10.50 9.25 9.12 12.65 17.07
H 10.60 11.03 - - - - - 14.91
注: 病原指示菌 a-h 依次为白色葡萄球菌、金黄色葡萄球菌、枯草芽孢杆菌、大肠杆菌、鲍曼不动杆菌、克雷伯氏菌、粪肠球菌、白
色念珠菌ꎮ “ -”表示抑菌圈直径为 0ꎮ
Note:a-h are Staphylococcus albus 1029ꎬ Staphylococcus aureus ATCC25923ꎬ Bacillus subtilis ATCC6633ꎬ Escherichia coli ATCC25922ꎬ
Acinetobacter baumanii ATCC19606ꎬ Klebsiella pneumonia ATCC13883ꎬ Enterococcus faecalis ATCC29212ꎬ Candida albicans SC5314ꎬ re ̄
spectively. “ -” means the diameter of the bacteriostatic circle is 0.