Larvicidal Activity against Aedes aegypti and Chemical Characterization of the Inflorescences of Tagetes patula

Table 3

Percentage of mortality of Aedes aegypti larvae exposed to different fractions of Tagetes patula under laboratory conditions at 300 mg/L, for 120 h.

Sample	24 h	48 h	72 h	96 h	120 h
Crude acetone extract	0	4.4	22.0	26.7	31.0
Fatty waste	0	4.4	16.0	24.4	31.0
Aqueous fraction	0	0	0	0	17.8
Ethyl acetate fraction	22.0	31.0	38.0	49.0	53.0
n-Hexane fraction	2.0	4.4	4.4	4.4	13.0
n-Butanol fraction	0	11.0	13.0	13.3	15.6
Dichloromethane fraction	4.4	4.4	8.9	8.9	8.9
DMSO	0	0	0	0	6.7
Distilled water	0	0	0	0	0

Numbers followed by same letters in a column do not differ according to Tukey test ().