PRELIMINARY INVESTIGATION OM THE ADVERSE EFFECTS OF EXTRACTS OF Azadirachta indica AND Artocarpus incisa ON THE REPRODUCTIVE PHYSIOLOGY OF THE CATTLE TICK, Boophilus microplus

Lawrence A. Williams and Ajai Mansingh

No 260337, 24th Annual Meeting, August 15-20, 1988, Ocho Rios, Jamaica from Caribbean Food Crops Society

Abstract: Topical application of 0.4 μg per tick of an ethanol extract of Neem (Azadirachta indica) seed inflicted about 25% mortality on the engorged B. microplus and inhibited oviposition and embryonic development by 60 and 50% respectively. Direct spraying of 1 ml, 50% crude petroleum ether extract of the Breadfruit (Artocarpus incisa) leaves on the ticks inflicted about 40% mortality and reduced oviposition by about 55% and egg-viability by 75%. The present report is the first ever on the acaricidal activity of a plant extract.

Keywords: Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies (search for similar items in EconPapers)
Pages: 5
Date: 1988-08-15
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Persistent link: https://EconPapers.repec.org/RePEc:ags:cfcs88:260337

DOI: 10.22004/ag.econ.260337

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