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Table 3 Mean percentage reduction of Aedes larvae caused by the field application of IGR

From: Field-based evaluation of novaluron EC10 insect growth regulator, a chitin synthesis inhibitor against dengue vector breeding in leaf axils of pineapple plantations in Gampaha District, Sri Lanka

Week of observation

Percentage reduction

1

100 ± 0.0a

2

100 ± 0.34a

3

96.8 ± 2.78a

4

93.0 ± 2.82a

5

89.0 ± 3.89a

6

61.1 ± 5.41b

7

67.2 ± 4.87b

8

53.5 ± 5.51c

9

48.7 ± 5.09c

10

45.6 ± 4.02c

11

41.9 ± 3.05c

12

34.2 ± 4.01d

  1. Notes: Values are means ± standard errors (SE). Different superscript letters show significant differences (P < 0.05) as suggested by the general linear model followed by Tukey’s pairwise comparison at a 95% level of confidence