Table 3. Effects of four simulated components on chemotaxis of M. incognita J2 at WA plate.
| Treatmenta | Cf valueb | Chemotaxisc | |
|---|---|---|---|
| CK | 1.58±0.55 | Aa | neutral |
| A0.5 | 1.79±0.66 | Aa | neutral |
| A1 | 1.79±0.66 | Aa | neutral |
| A2 | 1.67±0.77 | Aa | neutral |
| B0.5 | 1.06±0.90 | ABb | neutral |
| B1 | 0.53±0.33 | Bbc | neutral |
| B2 | 0.69±0.23 | Bbc | neutral |
| C0.5 | 0.49±0.12 | Bbc | repellant |
| C1 | 0.40±0.20 | Bc | repellant |
| C2 | 0.30±0.09 | Bc | repellant |
| D0.5 | 0.84±0.19 | Bbc | neutral |
| D1 | 0.82±0.47 | Bbc | neutral |
| D2 | 0.69±0.24 | Bbc | neutral |
a A, 2,6-Di-tert-butyl -p-cresol; B, L-ascorbyl 2,6-dipalmitate; C, Dibutyl phthalate; D, Dimethyl phthalate; 0.5,0.5 mmol·L-1; 1,1 mmol·L-1; 2,2 mmol·L-1;CK, 1.0% ethanol.
b Cf, chemotaxis factor; Values represent the means ± standard deviation (SD) (n = 4); Capital and lower case letters indicate significant group differences at the levels of 0.01 and 0.05, respectively.
c Attractant Cf >2.0, repellent Cf < 0.5, neutral 0.5 ≤ Cf ≤ 2.0.