Table 1 The mean (± SE) duration of different developmental stages and adult longevity of Tetranychus urticae on cucumber plants treated with different concentrations of spermine
From: The effect of spermine on Tetranychus urticae-Cucumis sativus interaction
Treatment | Egg (d) | Larva (d) | Protochrysalis (d) | Protonymph (d) | Deutochrysalis (d) | Deutonymph (d) | Theliochrysalis (d) | Preadult (d) |
|---|---|---|---|---|---|---|---|---|
Control | 3a | 0.97 ± 0.08ab | 0.81 ± 0.04a | 0.82 ± 0.04ab | 0.63 ± 0.03ab | 1.06 ± 0.05a | 0.86 ± 0.03b | 9.05 ± 0.12a |
Spm 1 mM | 3a | 0.80 ± 0.07b | 0.85 ± 0.04a | 0.77 ± 0.04b | 0.58 ± 0.03b | 1.15 ± 0.07a | 0.94 ± .0.03ab | 8.90 ± 0.11a |
Spm 2 mM | 3a | 0.82 ± 0.07b | 0.75 ± 0.05a | 0.93 ± 0.06a | 0.71 ± 0.04a | 1.08 ± 0.05a | 0.98 ± 0.02a | 9.05 ± 0.11a |
Spm 3 mM | 3a | 1.12 ± 0.13a | 0.75 ± 0.05a | 0.94 ± 0.05a | 0.64 ± 0.03ab | 1.08 ± 0.05a | 0.94 ± 0.03ab | 9.16 ± 0.16a |