Journal of Parasitology Research / 2014 / Article / Tab 1

Research Article

Larvicidal Activity of Cassia occidentalis (Linn.) against the Larvae of Bancroftian Filariasis Vector Mosquito Culex quinquefasciatus

Table 1

Observed and expected mortality of Culex quinquefasciatus larvae exposed to Cassia occidentalis with petroleum ether and N-butanol extracts. Expected mortality is based on probit regression analysis.

Conc. ( g/mL)Number of larvaeMortality (%)Expected mortalityLC50   (95% CI)LC90  (95% CI) Probit (mortality)  =   
D.F.  
value
ExposedDeadCrudeCorrectedProbitDead%

Cassia occidentalis with petroleum ether
4075152020−1.0012.016.098.4  (89.1–107.2)173.8 (160.6–191.5)
D.F. = 3 
80752837.437.4−0.3228.237.6
120754357.457.40.3648.264.2
160756282.782.71.0463.985.2
20075751001001.7271.895.8

Cassia occidentalis with N-butanol
5075344−2.091.41.8161.6  (152.8–170.5)230.0  (217.8–245.5)
D.F. = 4 
1007579.49.4−1.169.212.3
150753142.742.7−0.2230.941.1
200755674.774.70.7157.176.1
250757296961.6571.395.0
30075751001002.5874.699.5

D.F.: degrees of freedom.

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