Table 2.
Treatment | Mean monthly Impulse Burst Rates (rs) of Red Palm Weevil (RPW) Sound Activities within Initially Infested Palm Trees | Statistical Analysis Fdf1,df2; p |
||||||
---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | 5 | 6 | ||
Control (water) | 0.43 ± 0.09 aAB | 0.42 ± 0.21 abA | 0.05 ± 0.01 abA | 0.23 ± 0.05 abA | 0.23 ± 0.05 abA | 0 ± 0 bA | 0 ± 0 bA | F6,35 = 2.99; <0.02 |
Fipronil (Fiprol) | 0.56 ± 0.14 aA | 0.29 ± 0.12 abAB | 0.06 ± 0.02 bA | 0.01 ± 0.01 bB | 0.13 ± 0.06 bB | 0.01 ± 0.01 bB | 0.01 ± 0.01 bB | F6,35 = 6.77; <0.001 |
Fungus (B. bassiana) | 0.52 ± 0.15 aAB | 0.22 ± 0.11 abAB | 0.03 ± 0.01 bA | 0 ± 0 bB | 0 ± 0 bC | 0 ± 0 bA | 0 ± 0 bA | F6,42 = 7.66; <0.001 |
Fungus (M. anisopliae) | 0.55 ± 0.16 aA | 0.11 ± 0.08 bB | 0.03 ± 0.02 bA | 0 ± 0 bB | 0 ± 0 bC | 0 ± 0 bA | 0 ± 0 bA | F6,42 = 7.85; <0.001 |
Mixed fungal isolates | 0.28 ± 0.04 aAB | 0.18 ± 0.12 abAB | 0.03 ± 0.01 bcA | 0 ± 0 bB | 0 ± 0 bC | 0 ± 0 bA | 0 ± 0 bA | F6,56 = 5.23; <0.001 |
TreeCare (emamectin benzoate) | 0.23 ± 0.04 aB | 0.07 ± 0.01 bB | 0.05 ± 0.02 bA | 0.05 ± 0.02 bB | 0 ± 0 bC | 0 ± 0 bA | 0 ± 0 bA | F6,70 = 14.61; <0.001 |
Aluminum phosphide | 0.35 ± 0.09 aAB | 0.07 ± 0.04 bB | 0.01 ± 0.01 bA | 0 ± 0 bB | 0 ± 0 bC | 0 ± 0 bA | 0 ± 0 bA | F6,42 = 10.29; <0.001 |
Nematode (S. carpocapsae) | 0.24 ± 0.04 aAB | 0.11 ± 0.01 bB | 0.03 ± 0.01 cA | 0.03 ± 0.01 cB | 0 ± 0 cC | 0 ± 0 cA | 0 ± 0 cA | F6,70 = 21.51; <0.001 |
Statistical analysis (F7,56; p) | F = 2.19; 0.052 | F = 1.51; 0.1878 | F = 0.54; 0.7982 | F = 14.07; <0.0001 | F = 14.70; <0.0001 | F = 27.35; <0.0001 | F = 1.56; 0.1700 |
Means that are followed by the same small letter in the same row or by the same capital letter in the same column are not significantly different at p < 0.05.