Table 2.
Mortality of Drosophila suzukii larvae, pupae and adults following treatment with Photorhabdus luminescens supernatant at 3rd instar larvae or pupae stages.
| Treatment on Larvae |
Larvae,
4 DAA |
Immatures,
10 DAA |
Total Individuals,
10 DAA |
| Bacterial supernatant | 24 (11.6–32.4) a | 44 (28.4–55.6) a | 74 (51.6–92.4) a |
| Supernatant 10-fold dilution | 12 (−1.6–25.6) b | 18 (1.8–34.2) b | 34 (15.2–52.8) b |
| Control | 4 (−2.8–10.8) b | 12 (1.6–22.4) b | 28 (17.6–38.4) b |
| Treatment on Pupae |
Pupae,
9 DAA |
Adults,
9 DAA |
Total Individuals,
9 DAA |
| Bacterial supernatant | 38 (17.6–58.4) a | 36 (15.2–56.8) a | 74 (59.8–88.2) a |
| Supernatant 10-fold dilution | 26 (9.3–42.7) a | 16 (9.2–22.8) b | 42 (25.8–58.2) b |
| Control | 26 (19.2–32.8) a | 6 (−0.8–12.8) b | 32 (26.4–37.6) b |
DAA = days after application. For each development stage, means and CI were obtained from n = 9 samples. Values followed by the same letter(s) are not significantly different according to LSD test for p < 0.05.