Table 1 Plant traits and responses of A. obtectus to seeds of host, acceptable non-host, and non-host leguminous species
Insect responses and plant traits | Hosts (H) | Acceptable non-hosts (ANH) | Non-hosts (NH) | |||
|---|---|---|---|---|---|---|
Seed coat | ||||||
Intact | Pre-drilled | Intact | Pre-drilled | Intact | Pre-drilled | |
L1-to-pupal mortality inside seeds (%)1 | 0a (0–2.2) (N = 22) | 2.2A (0–2.3) (N = 22) | 2.3b (0–7.7) (N = 55) | 48.0B (24.4–82.8) (N = 55) | 0c (0–0) (N = 63) | 75.0C (44.0–93.0) (N = 63) |
Adult emergence (%)2 | 75.3a (46.7–90.5) (N = 22) | 93.3A (86.1–97.7) (N = 22) | 0b (0–5.0) (N = 55) | 26.7B (8.9–48.8) (N = 55) | 0c (N = 63) | 0C (N = 63) |
L1 mortality outside seeds (%)3 | 24.7c (9.1–53.3) (N = 22) | 93.3b (80.5–100) (N = 55) | 100a (100–100) (N = 63) | |||
Number of eggs laid/female4 | 38.6 ± 0.8a (N = 154) | 18.6 ± 0.7b (N = 418) | 13.5 ± 0.5c (N = 630) | |||
Seed mass (mg)5 | 340.8 ± 4.3a (N = 773) | 235.6 ± 3.9b (N = 1823) | 70.3 ± 1.6c (N = 2052) | |||
Seed coat thickness (mm)6 | 0.09 ± 0.001c (N = 374) | 0.10 ± 0.001b (N = 933) | 0.13 ± 0.002a (N = 1098) | |||