Table 4 Results of the multivariate analysis of variance for the walking behavior of the 3rd instar larvae of key lepidopteran pests (i.e., S. frugiperda and A. gemmatalis) in arenas treated with either the LC10 or LC50 of the oil of S. guianensis.
Sources of variation | df | Grouped larval locomotory activities | ||
---|---|---|---|---|
F | P | |||
Between samples | ||||
Species (S) | 1 | 66.4 | <0.0001* | |
Essential oil concentration (EOC) | 2 | 69.8 | <0.0001* | |
S x EOC | 2 | 23.3 | <0.0001* | |
Error | 74 | — | — | |
df den /df num | Wilks’ lambda | F approx | P | |
Within samples | ||||
Time (T) | 3/72 | 0.80 | 13.28 | <0.001* |
T x S | 3/72 | 0.74 | 8.64 | <0.001* |
T x EOC | 4/146 | 0.81 | 5.82 | <0.001* |
T x S x EOC | 4/146 | 0.80 | 3.09 | 0.002* |