The acaricidal effect of clove leaf plant extract Eugenia caryophyllus against Argas spp. soft ticks in Iraq.

Eugenia caryophyllus Clove leaf different oil extracts concentrations 1%, 5%,10% and 15% were evaluated In vitro for acaricidal activity against adults of Argas spp. soft ticks collected from local poultry flocks in Diyala province , Iraq , during 2014. Adult immersion tick test was used. Eugenia caryophyllus 15% was efficient , killed 80% in 24 hours than other concentrations but without significant difference p ? 0.449. Eugenia caryophyllus Lc 50= 3.15% and Lt50=47.96 hours were obtained showing probably highly plant non synthetic safety acaricide with low Lc 50 and Lt50 could be used to control poultry soft tick .