Table 7 Type of interactions of basil, caraway, and fennel each combined with Trichoderma harzianum, T. viride, and T. vierns on the root-knot nematode, Meloidogyne incognita, infecting pea root system
Treatment | Effect for average total percentages of nematode reduction | Co-toxicity factor | Type of interaction | |
|---|---|---|---|---|
Expected | Observed | |||
Basil + Th | 95.2 | 86.4 | − 9 | Additive or synergistic |
Basil+ Tv | 95.2 | 80.0 | − 16 | Additive or synergistic |
Basil + Tvi | 96.0 | 86.0 | − 14 | Additive or synergistic |
Caraway + Th | 94.0 | 86.2 | − 8 | Additive or synergistic |
Caraway + Tv | 94.0 | 79.2 | − 16 | Additive or synergistic |
Caraway + Tvi | 95.0 | 86.3 | − 8 | Additive or synergistic |
Fennel + Th | 94.3 | 72.4 | − 13 | Additive or synergistic |
Fennel + Tv | 94.3 | 79.2 | − 16 | Additive or synergistic |
Fennel + Tvi | 95.3 | 85.8 | − 10 | Additive or synergistic |