## 3 Results
### Volatile Organic Compounds Produced by Bacillus Bacteria and F. oxysporum
#### 3.2.1 Volatile Organic Compounds Produced by _Bacillus_ Bacteria
\begin{table}
\begin{tabular}{l c c c c} \hline \hline
**Group of Compounds** & \(RI_{exp.}\) & \multicolumn{3}{c}{**Relative Content [\% TIC]**} \\  & **I** & **II** & **III** \\ \hline Heptan-2-one & 886 & - & 14.13 \(\pm\) 2.01 & - \\
6-Methylheptan-2-one & 951 & 2.54 \(\pm\) 0.22 & 2.88 \(\pm\) 0.71 & - \\ Benzaldehyde & 958 & 3.59 \(\pm\) 0.14 & - & 25.83 \(\pm\) 1.61 \\
5-Methylheptan-2-one & 961 & 3.40 \(\pm\) 0.19 & 3.33 \(\pm\) 0.61 & - \\ Nonanan-5-one & 1054 & 0.61 \(\pm\) 0.05 & 1.10 \(\pm\) 0.14 & - \\ AcetGenome & 1065 & 1.25 \(\pm\) 0.10 & 1.22 \(\pm\) 0.11 & 0.11 \(\pm\) 0.01 \\ Nonan-2-one & 1092 & 1.46 \(\pm\) 0.11 & 1.84 \(\pm\) 0.31 & - \\ Decan-5-one & 1163 & 0.87 \(\pm\) 0.05 & 0.93 \(\pm\) 0.16 & - \\ Decan-2-one & 1193 & 0.75 \(\pm\) 0.07 & - & - \\ Anisaldehyde & 1251 & 0.54 \(\pm\) 0.06 & - & 0.09 \(\pm\) 0.01 \\ Undecan-2-one & 1294 & 1.32 \(\pm\) 0.18 & 1.05 \(\pm\) 0.14 & 0.11 \(\pm\) 0.01 \\ Dodecan-5-one & 1359 & 0.98 \(\pm\) 0.05 & 1.00 \(\pm\) 0.17 & - \\
2-Methylcleanal & 1367 & 1.30 \(\pm\) 0.09 & 1.15 \(\pm\) 0.15 & - \\
2-Decalactone & 1471 & 0.11 \(\pm\) 0.01 & - & 0.36 \(\pm\) 0.02 \\ Triideecan-2-one & 1498 & 1.13 \(\pm\) 0.30 & - \\ Tetradecan-5-one & 1569 & 0.49 \(\pm\) 0.02 & 0.95 \(\pm\) 0.16 & - \\ \hline
**Carboxylic acids**, & & **0.37 \(\pm\) 0.01** & **-** & **0.58 \(\pm\) 0.06** \\ including the following: & & & & \\ \hline Acetic acid & 612 & 0.37 \(\pm\) 0.01 & - & 0.10 \(\pm\) 0.01 \\ Isovaleric acid & 830 & - & - & 0.35 \(\pm\) 0.03 \\
2-Methylbutanoic acid & 835 & - & - & 0.13 \(\pm\) 0.03 \\ \hline
**Esters**, & & **0.14 \(\pm\) 0.02** & **-** & **0.72 \(\pm\) 0.05** \\ including the following: & & & & \\ \hline Methyl isopentanoate & 770 & - & - & 0.38 \(\pm\) 0.02 \\ Methyl benzoate & 1095 & 0.14 \(\pm\) 0.02 & - & 0.26 \(\pm\) 0.01 \\ Ethyl benzoate & 1172 & - & - & 0.08 \(\pm\) 0.01 \\ \hline
**Benzene and benzaldehyde chlorine derivatives**, & & **1.56 \(\pm\) 0.12** & **-** & **48.45 \(\pm\) 1.46** \\ including the following: & & & & \\ \hline
2-Chlorophenol & 986 & 0.37 \(\pm\) 0.02 & - & - \\
2-Chloro-1,4-dimethoxybenzene & 1353 & 0.85 \(\pm\) 0.07 & - & 2.55 \(\pm\) 0.17 \\
1,4-Chloro-2,5-dimethoxybenzene & 1442 & 0.34 \(\pm\) 0.03 & - & 13.07 \(\pm\) 0.43 \\
3-Chloro-4-(methyloxybenzaldehyde & 1453 & - & - & 2.04 \(\pm\) 0.02 \\
3,5-Dichloro-4-methoxybenzaldehyde & 1465 & - & - & 30.79 \(\pm\) 0.83 \\ \hline
**Pyrazine derivatives**, & & **7.85 \(\pm\) 0.49** & **32.76 \(\pm\) 3.82** & - \\ including the following: & & & & \\ \hline
2-Methylpyrazine & 820 & 0.58 \(\pm\) 0.07 & 1.42 \(\pm\) 0.22 & - \\
2,5-Dimethylpyrazine & 905 & 5.66 \(\pm\) 0.35 & 23.94 \(\pm\) 2.03 & - \\
2,3,5- Trimethylpyrazine & 1000 & 1.61 \(\pm\) 0.06 & 6.96 \(\pm\) 1.51 & - \\
2-Methyl-3-isopropylpyrazine & 1051 & - & 0.44 \(\pm\) 0.06 & - \\ \hline
**Benzene derivatives**, & & **2.84 \(\pm\) 0.13** & **-** & - \\ including the following: & & & & \\ \hline Styrene & 886 & 1.57 \(\pm\) 0.07 & - & - \\ Phenol & 980 & 1.13 \(\pm\) 0.05 & - & - \\ Methoxy-2-vinylbenzene & 1153 & 0.13 \(\pm\) 0.01 & - & - \\ \hline
**Anisole chlorine derivatives**, & & & & \\ including the following: & & & & \\ \hline
4-Chloroanisole & 1123 & 0.57 \(\pm\) 0.02 & - & - \\
2,6-Dichloroanisole & 1199 & 0.60 \(\pm\) 0.06 & - & - \\ \hline
**Other compounds**, & & **1.08 \(\pm\) 0.10** & **12.37 \(\pm\) 1.94** & **0.19 \(\pm\) 0.02** \\
**including the following** & & & & \\ \hline Methyl N-hydroxybenzecarboximidoate & 907 & 0.07 \(\pm\) 0.01 & 3.66 \(\pm\) 0.53 & 0.19 \(\pm\) 0.02 \\ Benzylnitrile & 1139 & 0.33 \(\pm\) 0.04 & - & - \\
4-Acetyl-1-methylcyclohexene & 1145 & 0.68 \(\pm\) 0.05 & 2.87 \(\pm\) 0.55 & - \\ Phenolnic compound (C\({}_{6}\)H\({}_{2}\)O) & 1260 & - & 3.92 \(\pm\) 0.72 & - \\ Phenolnic compound (C\({}_{6}\)H\({}_{2}\)O) & 1264 & - & 1.92 \(\pm\) 0.14 & - \\ \hline
**Unidentified compounds**, & & & **2.42 \(\pm\) 0.37** & **-** \\ including the following: & & & & \\ \hline NN & 1118 & - & 0.93 \(\pm\) 0.14 & - \\ NN & 1724 & - & 1.49 \(\pm\) 0.24 & - \\ \hline \hline \end{tabular}
\end{table}