Aphid Instar | Developmental duration (days) | ||||||||
---|---|---|---|---|---|---|---|---|---|
A. asychis | A. ervi | D. rapae | |||||||
Oviposition to mummification | Mummification to adult emergence | Oviposition to adult emergence | Oviposition to mummification | Mummification to adult emergence | Oviposition to adult emergence | Oviposition to mummification | Mummification to adult emergence | Oviposition to adult emergence | |
I | 6.80 ± 1.04a (6–8) | 7.80 ± 0.56a (7–8) | 14.60 ± 1.11a (14–16) | 15.20 ± 0.56a (15–16) | 14.40 ± 0.68a (14–15) | 29.60 ± 0.68a (29–30) | 7.20 ± 1.04a (6–8) | 8.00 ± 0.88a (7–9) | 15.20 ± 1.36a (13–16) |
II | 6.60 ± 0.68ab (5–7) | 5.00 ± 0.88b (4–6) | 11.60 ± 1.89b (10–13) | 15.00 ± 0.88a (15–16) | 13.80 ± 1.04ab (13–15) | 28.80 ± 1.04a (28–30) | 6.60 ± 0.68ab (5–7) | 6.60 ± 0.68b (6–8) | 13.20 ± 1.04b (13–14) |
III | 5.80 ± 1.04bc (5–6) | 4.80 ± 1.04b (4–6) | 10.60 ± 0.68b (9–12) | 13.40 ± 0.68b (13–15) | 13.40 ± 0.68b (13–14) | 26.80 ± 1.04b (26–29) | 6.00 ± 0.88bc (5–6) | 5.60 ± 0.68c (5–7) | 11.40 ± 0.68c (11–12) |
IV | 5.60 ± 0.68c (5–6) | 4.60 ± 0.68b (4–5) | 10.40 ± 0.68b (9–11) | 12.20 ± 0.56c (12–13) | 12.00 ± 0.88c (11–13) | 24.20 ± 1.04c (24–25) | 5.60 ± 0.68c (5–6) | 4.60 ± 1.11d (4–5) | 10.20 ± 1.36c (9–11) |
LSD (p = 0.05) | 0.95 | 0.87 | 1.29 | 0.73 | 0.90 | 1.04 | 0.90 | 0.92 | 1.24 |
F3, 16 | 3.47 | 26.78 | 20.32 | 33.50 | 11.56 | 48.31 | 5.44 | 22.18 | 28.00 |
p value | 0.041 | < 0.00001 | 0.000011 | < 0.00001 | 0.000337 | < 0.00001 | 0.009 | < 0.00001 | < 0.00001 |