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Table 2 Analysis of variance comparison of mortality of the third-instar larvae of Helicoverpa armigera Hübner bioassayed with soil isolated strain of Bacillus thuringiensis applied without 1.0% MgCl2 salt

From: Pathogenicity of indigenous soil isolate of Bacillus thuringiensis to Helicoverpa armigera Hübner 1809 (Lepidoptera: Noctuidae)

Source

DF

Larval mortality (%)

Larval weight change (%)

MS

F value

P value

MS

F value

P value

Replication

3

345.68

  

20,280

  

Time

4

6462.96

35.98

< 0.001*

46,021

11.01

< 0.001*

Treatments

5

4930.86

27.45

< 0.001*

104,830

25.07

< 0.001*

Time × treatments

20

714.81

3.98

< 0.001*

11,936

2.85

0.0011*

Error

80

179.65

  

4181

  

Total

119

      

CV/GM

 

61.34/21.852

  

43.66/148.11

  
  1. *P < 0.001 (highly significant) and P < 0.05 (significant); two-way factorial ANOVA at α = 0.05