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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