Forum: Acaricidal Activity of Five Marine Algae Extracts on Female Boophilus Microplus (Acari: Ixodidae)
Abstract
The present report is the first ever on the acaricidal activity of marine plant extracts on Boophilus microplus. Topical application of crude ethanol extracts of five marine algae; namely Laurencia obtusa, Padina vickerisiae, Liagora farinosa, Liagora elongata and Stypopodium lobatum; affected the survival of engorged adult female B. microplus and inhibited oviposition and embryogenesis in the ticks. The order of toxicity of the extracts (% adult mortality) on B. microplus was Laurencia obtusa (40.00%) > Liagora elongata (30.00%) Liagora farinosa (10.00%) = Padina vickerisiae = Stypopodium lobatum. However, the order of inhibition of embryogenesis was different from adult mortality [Laurencia obtusa (59.23%) > Liagora farinosa (38.75%) > Stypopodium lobatum (34.40%) > Padina vickerisiae (14.00%) > Liagora elongata (11.21%)].Downloads
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