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Table 2 Effect of neem oil and neem nanoemulsion on the parasitism, adult emergence, and mortality of the internal parasitoid larvae of Meteorus gyrator

From: Impact of neem-nanoemulsion and neem petroleum ether extract on some biological parameters of the internal parasitoid, Meteorus gyrator (Thub.) (Hymenoptera: Braconidae)

Concentration (ppm) Treatments
Mean ± SE
Parasitism Adult emergence % Mortality
Neem nanoemulsion Neem T-value (df = 8) Neem nanoemulsion Neem T value (df = 8) Neem nanoemulsion Neem T value (df = 8)
50 88.70 ± 0.78 b B 92.00 ± 1.08 b A 2.477* 74.30 ± 1.22 b B 81.90 ± 0.72 b A 5.373** 9.20 ± 0.36 e A 6.00 ± 0.86 d B 4.130**
100 88.40 ± 0.69 b A 90.00 ± 2.05 bc A 0.473NS 71.40 ± 0.55 c A 75.60 ± 1.94 c A 2.080 NS 14.10 ± 0.42 d A 7.00 ± 0.48 d B 11.047**
200 83.90 ± 2.65 bc A 87.00 ± 1.92 cd A 0.947 NS 65.16 ± 1.14 d B 70.50 ± 0.50 d A 4.281** 18.30 ± 1.04 c A 12.00 ± 0.49 c B 5.473**
400 78.90 ± 1.79 cd A 85.00 ± 1.83 d A 2.268 NS 60.90 ± 0.35 e B 64.70 ± 0.75 e A 4.609** 23.70 ± 1.05 b A 15.00 ± 0.46 b B 7.619**
800 73.30 ± 1.93 d A 84.00 ± 1.10 d A 2.120 NS 58.00 ± 0.52 f A 60.10 ± 1.36 f A 1.440 NS 29.00 ± 1.26 a A 25.50 ± 0.30 a B 2.703*
Control 100 a 100 a 100 a 100 a 0 f 0 e
F value(df = 5, 24) 11.816** 15.308** 39.711** 17.611** 15.872** 37.523**
P value 0.001 0.001   0.000 0.000   0.000 0.000  
  1. Tabulated T at 5% = 2.306 T at 1% = 3.355
  2. Means in a single column followed with the same small letters are not significantly different (P = 5%)
  3. Means in a single row followed with the same capital letters are not significantly different (P = 5%)
  4. NS not significant
  5. **Highly significant
  6. *Significant