Page 137 - 《广西植物》2020年第5期
P. 137

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.
   132   133   134   135   136   137   138   139   140   141   142