Larvicidal activity of major essential oils from stems of Allium monanthum Maxim. against Aedes aegypti L

Figures & data

Table 1.  Major essential oil constituents from stems of Allium monanthum.

No	Components	Peak area (%)
1	Allyl methyl disulfide	4.52
2	Dimethyl trisulfide	23.21
3	Allyl cis-1-propenyl disulfide	2.32
4	Allyl methyl trisulfide	3.21
5	Dimethyl tetrasulfide	11.24
6	Methlyl propyl trisulfide	8.21
7	Dipropyl trisulfide	3.02

Table 2.   LC₅₀ and LC₉₀ values for major components against Aedes aegypti.

Essential oils/compounds	LC50 (ppm)	LC90 (ppm)
Allium monanthum	23.14	36.31
Dimethyl trisulfide	>200	>200
Dimethyl tetrasulfide	>200	>200
Methlyl propyl trisulfide	19.38	58.42
Allyl methyl disulfide	>200	>200
Dipropyl trisulfide	>200	>200
1,8-cineole^a	>200	>200

^aNegative control.