Effective plant crude-extracts on the tick (Boophilus microplus) I. larvicidal action
1988
Narong Chungsamarnyart | Weerapol Jansawan (Kasetsart Univ., Kamphaengsaen Campus, Nakorn Pathom (Thailand). Faculty of Veterinary Medicine) | Suratwadee Jiwajinda
Forty four species of plants were extracted with ethanol. The larvaes of the tick (Boophilus microplus) were left to contact with the coating of 1.14 mg/cm2 of crude-extract in bottle. Five crude-extracts of these plants having larvicidal action (90-100 % mortality rate) are as follow; Acanthus ebracteatus Vahl., Acrorus calamus L., Annona squamosa L., Luffa acutangula Roxb., and Stemona colinsae Craib. The insecticidal action of these crude-extracts on the adult tick is being test.
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