Skip to main content

Table 2 Kaplan-Meier pair wise comparisons of the median survival times (MST) of An. gambiae s.s. females exposed to 2 × 1010 conidia m-2 of co-formulated Metarhizium anisopliae ICIPE-30 and Beauveria bassiana I93-825.

From: Infection of the malaria mosquito, Anopheles gambiae, with two species of entomopathogenic fungi: effects of concentration, co-formulation, exposure time and persistence

Ratio of Ma:Bb

MST ± SE

1:0

1:1

2:1

4:1

Increasing ratio of M. anisopliae

Control

13 ± 0.73

χ2 = 132.57

χ2 = 109.63

χ2 = 134.20

χ2 = 121.23

  

p < 0.001*

p < 0.001*

p < 0.001*

p < 0.001*

1:0

6 ± 0.12

 

χ2 = 0.15

χ2 = 0.29

χ2 = 1.37

   

p = 0.70

p = 0.60

p = 0.24

1:1

6 ± 0.21

  

χ2 = 0.65

χ2 = 2.59

    

p = 0.34

p = 0.07

2:1

6 ± 0.16

   

χ2 = 0.53

     

p = 0.46

Increasing ratio of B. bassiana

    

Control

13 ± 0.73

χ2 = 128.01

χ2 = 109.63

χ2 = 133.22

χ2 = 114.34

  

p < 0.001*

p < 0.001*

p < 0.001*

p < 0.001*

0:1

5 ± 0.19

 

χ2 = 1.63

χ2 = 0.004

χ2 = 0.29

   

p = 0.20

p = 0.93

p = 0.59

1:1

6 ± 0.21

  

χ2 = 0.29

χ2 = 3.10

    

p = 0.59

p = 0.08

1:2

6 ± 0.19

   

χ2 = 3.24

     

p = 0.06

  1. Note: The co-formulation was applied at different ratios of conidia (1:0, 1:1, 2:1 and 4:1) of M. anisopliae to B. bassiana.