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Table 2 Mortality rates of cotton leafworm larvae at different exposure times

From: Biological control potential of local entomopathogenic nematodes against the different stage larvae of cotton leafworm Spodoptera littoralis (Boisduval) (Lepidoptera: Noctuidae)

 

Time

48 h

72 h

96 h

 

Steinernema carpocapsae

(Tokat-Bakışlı05)

70.23 ± 17.59

a*

B**

90.47 ± 11.30

ab

A

90.47 ± 11.30

a

A

F = 4.87, p = 0.02

Steinernema feltiae

(Tokat-Emir)

84.52 ± 13.25

a

A

93.83 ± 9.80

a

A

93.83 ± 9.80

a

A

F = 1.82, p = 0.18

Heterorhabditis bacteriophora

(TOK-20)

36.88 ± 11.30

b

B

51.17 ± 12.12

c

A

54.75 ± 11.72

b

A

F = 5.95, p = 0.01

Heterorhabditis bacteriophora

(11 KG)

76.18 ± 12.88

a

A

78.56 ± 15.16

b

A

83.33 ± 14.29

a

A

F = 0.63, p = 0.54

Control

6.67 ± 2.56

  

7.50 ± 2.50

  

7.50 ± 2.50

   
 

F = 11.96, p = 0.00

F = 14.61, p = 0.00

F = 12.64, p = 0.00

 
  1. *Means within column bearing the same letter are not significantly different (Duncan’s test, p > 0.05)
  2. **Means within lines bearing the same letter are not significantly different (Duncan’s test, p > 0.05)