The Effectiveness of Bandotan (Ageratum conyzoides L.) Leaf Extract on Mortality of Boophilus microplus In Vitro

The purpose of this research is to find the effectiveness bandotan’s (Ageratum conyzoides L.) leaf extract on mortality Boophilus microplus in vitro and also get lethal concentration time. This used 125 microplus. five treatments, namely neguvon suspensionon (K+), ethanol 1% (K-), (P1), 2% (P2) 3% (P3). observation was done every six hours. dies when there no movement. data were analyzed using one-way ANOVA followed by Duncan's Multiple Distance Test. result said be significant if p<0.05. Probit analysis LC50 1.63% at first hour, 0.85% second 0.54% third 0.34% fourth 0.04% fifth hour sixth LC90 reached 5.6%, 2.9%, 1.8%, 1.2%, 0.16 0.16% 1, 2, 3, 4, 5 6 hours, respectively. LT50 (K-) 10.142 suspension (K+) 0.747 (P1) 2.184 1.579 (P3) 0.923 hours LT90 23.734, 1.749, 5.110, 3.695 2.159 conclusion study effective as an acaricide based