水稻根系细菌挥发性有机物对小孢根霉的非接触性抑制作用

王恩召,范分良,李艳玲,刘雄舵,卢玉秋,宋阿琳

Noncontact Inhibitory of Volatile Organic Compounds from Rice Root Bacteria on Rhizopus microsporus

WANG EnZhao,FAN FenLiang,LI YanLing,LIU XiongDuo,LU YuQiu,SONG ALin

表2 细菌挥发性有机化合物质谱上的峰面积与相应菌株抑菌率的相关性系数

Table 2 Correlation coefficient between the peak area of each substance in mass spectrum and the inhibition rate of corresponding strain

挥发性有机物名称 VOCs name 相关性系数 Correlation coefficient 挥发性有机物名称 VOCs name 相关性系数 Correlation coefficient 3-甲基-1-丁醇3-Methyl-1-butanol (+) 0.093 2-十一烷酮2-Undecanone (+) 0.485 2-乙基-1-己醇2-Ethyl-1-hexanol -0.396 5-甲基-3-己酮5-Methyl-3-hexanone (++) 0.863** 2-癸酮2-Decanone 0.074 苄基甲基酮Benzyl methyl ketone -0.169 2-庚酮2-Heptanone (+) 0.544** 3-甲基丁酸3-Methyl-butanoic acid (++) 0.691* 5-甲基-2-庚酮5-Methyl-2-heptanone -0.705* 双环戊二烯Dicyclopentadiene 0.025 6-甲基-2-庚酮6-Methyl-2-heptanone 0.146 三硫化二甲基Dimethyl trisulfide (+) -0.494* 2-己酮2-Hexanone -0.251 二硫化二甲基Dimethyl disulfide (+) -0.074 5-甲基-2-己酮5-Methyl-2-hexanone (++) 0.710** 甲基异丁基酮Methyl isobutyl ketone (+) 0.781** 2-壬酮2-Nonanone (+) 0.514* 苯乙醇Phenylethyl alcohol -0.576* 2-十四烷酮2-Tetradecanone -0.882** 3-甲基丁硫醇甲酯S-Methyl 3-methylbutanethioate 0.346