Abiotic Factors Affecting Canola Establishment and Insect Pest Dynamics
Figure 4
Average (s.e.) canola plant weights in response to grouped counts of aphids (a) and thrips (b). Aphid counts were divided into three classes (class 0 = plants without aphids (38% of observations), class 1 = 1–15 aphids per plant (32% of observations), and class 2 > 15 aphids per plant (30% of observations)). Thrips data were divided into presence (class = 1; 25% of observations) and absence (class = 0; 75% of observations). *: significant difference at the 0.05 level,**: significant difference at the 0.01 level, and ***: significant difference at the 0.001 level.
