Table 1.
Plant root VOCs and its properties.
| Plant | VOC compounds | Properties | References |
|---|---|---|---|
| Carex arenaria | γ-capro; γ-deca; γ-nonalactone | attract benefit bacteria from bulk soil | Schulz-Bohm et al., 2017 |
| Cucumis metuliferus CM3 | Creosol | attract and kill M. incognita | Xie et al., 2022 |
| Poplar | salicylaldehyde | play a role as a nematicide | Lackus et al., 2018 |
| Cucumis metuliferus CM3 | Benzene, (methoxymethyl) | repel M. incognita | Xie et al., 2022 |
| Pepper | Thymol | repel root-knot, cyst, and stubby root nematodes | Kihika et al., 2017 |
| Centaurea stoebe; tomato | (E)‐β‐caryophyllene; daucadiene; (E)‐α‐bergamotene; humulene; (E)‐β‐farnesene; petasitene 1–3; β‐myrcene | effect on the germination and growth of different sympatric neighbors | Gfeller et al., 2019; Gulati et al., 2020 |
| Centaurea stoebe; tomato; spinach; pepper; poplar | α‐pinene | Kihika et al., 2017; Murungi et al., 2018; Lackus et al., 2018; Gfeller et al., 2019; Gulati et al., 2020 | |
| Cucumber line Xintaimici, Tomato, spinach; pepper | Tridecane | attract second-stage larvae (J2) of M. incognita; Simas et al., 2017 | Kihika et al., 2017; Murungi et al., 2018; Xie et al., 2022 |
| Tomato; Pepper | p-cymene | Kihika et al., 2017; Gulati et al., 2020 | |
| Tomato | Sabinene | Murungi et al., 2018 | |
| Tomato, spinach; pepper | Limonene; 2-(methoxy)-3-(1 methylpropyl)pyrazine | Kihika et al., 2017; Murungi et al., 2018 | |
| Tomato, spinach | 2-isopropyl-3-methoxypyrazine | Murungi et al., 2018 | |
| Cucumis metuliferus CM3 | 2-Penten-1-ol, (Z)- | Xie et al., 2022 | |
| Cucumber line Xintaimici; pepper; tomato | Methyl salicylate | Kihika et al., 2017; Murungi et al., 2018; Xie et al., 2022 | |
| Cucumis metuliferus CM3 | 1-Nonyne | improvement plant resistance to M. incognita | Xie et al., 2022 |
| Carex arenaria | Benzonitrile | Schulz-Bohm et al., 2017 | |
| Carex arenaria | Benzofuran | Schulz-Bohm et al., 2017 | |
| Not given | Limonene | inhibited the fungal mycelial growth and spore germination of Botrytis cinerea | Simas et al., 2017 |
| Barley | methy pro-2-enoate and methyl propanoate | suppressed the mycelial growth and prohibited spore germination of Fusarium culmorum and C. sativus | Kaddes et al., 2019b |
| Tomato | benzonitrile, benzothiazol, dimethyl trisulfide | Antifungal activity to Fusarium oxysporum | Gulati et al., 2020 |