Table 3.
Treatment | Root galling | Egg mass formation | ||||||
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Carrot | Tomato | Carrot | Tomato | |||||
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GIa | CEb (%) | GI | CE (%) | EMIc | CE (%) | EMI | CE (%) | |
Control | – | – | – | – | – | – | – | – |
RKN | 2.0 ± 0.0ad | 0 | 2.0 ±0.0a* | 0 | 1.0 ± 0.0a | 0 | 4.0 ± 0.0a | 0 |
BHI+RKN | 1.6 ± 1.1a | 20 | 2.0 ± 0.0a | 0 | 0.6 ± 0.5a | 40 | 3.2 ± 0.4b | 20 |
C1-7+RKN | 0.2 ± 0.4b | 90 | 0.0±0.0b | 100 | 0.0 ± 0.0b | 100 | 1.0 ± 0.7c | 75 |
Gall index = severity of root galling by M. hapla assessed on a 0–5 rating scale according to the percentage of galled tissue in which 0 = 0–10% of galled roots, 1 = 11–20%, 2 = 21–50%, 3 = 51–80%, 4 = 81–90%, and 5 = 91–100% (Barker, 1985).
CE = control effect.
Egg mass index was assigned to each count using a rating of 0 = no egg mass, 1 = 1–3 egg masses, 2 = 4–10 egg masses, 3 = 11–30 egg masses, 4 = 31–100 egg masses, and 5 = >100 egg masses per root system (Roberts et al., 1990).
Averages ± standard deviations of five replications followed by the same letters are not significantly different at P ≤ 0.05 by the least significance difference (LSD) test.