484030HIỆU LỰC DIỆT, ỨC CHẾ (% BỌ GẬY CHẾT)201001 NGÀY 14 NGÀY 30 N...

47,48

40

30

Hiệ

u

lự

c

diệt,

c

ch

ế

(%

b

gậ

y

ch

ết)

20

10

0

1 ngày

14 ngày

30 ngày

60 ngày

90 ngày

sumilarv 2MR

temebate

Evaluation times

Figure 7. Comparison of killing and inhibiting effect of sumilarv 2MR and temebate under laboratory conditions According to WHO 2005.13 guideline, if the rate of larvae mortality> 80%, the effect is satisfactory. The comparison results are shown in Figure 3.9, it shows that 2MR sumilarv has good inhibitory effect with 89.80% of Ae.aegypti larvae died after 3 months of testing, temebate has a killing effect of 47, 48%. The selected sumilarv 2MR insecticide was tested in the field in Dien Khanh district to evaluate the practical effectiveness in reducing the larvae index.