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Larvicidal potential of Sapindus saponaria to control the cattle tick Boophilus microplus PAB
Fernandes,Fernando de Freitas; Freitas,Edméia de Paula e Souza; Costa,Anna Carolina da; Silva,Ionizete Garcia da.
The objective of this study was to evaluate the larvicidal potential of a crude ethanol extract (CEE) of soapberry Sapindus saponaria stem peel on the cattle tick Boophilus microplus. Tick larvae obtained by incubating engorged females, collected from naturally infested cattle, were placed in envelopes of filter paper impregnated with different concentrations of CEE in the test group, and distilled water in the control group. Four repetitions were made with each solution (n>120). Mortality was observed after 48 hours. Lethal concentration values of 1,258 ppm (LC50) and 6,360 ppm (LC99) were obtained.
Tipo: Info:eu-repo/semantics/report Palavras-chave: Sapindaceae; Ixodidae; Botanical acaricide; Soapberry; Tick control.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2005001200013
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Evaluation of activity of the crude ethanolic extract of Magonia pubescens St. Hil (Sapindaceae) against larvae of the cattle tick Rhipicephalus (Boophilus) microplus (Canestrini, 1887) (Acari: Ixodidae) BABT
Fernandes,Fernando de Freitas; Bessa,Priscilla Antunes Diógenes; Freitas,Edméia de Paula e Souza.
The acaricidal potential of the crude ethanolic extract (c.e.e.) of the stem peel of Magonia pubescens was evaluated against larvae of Rhipicephalus (Boophilus) microplus. The larvae were placed in filter paper envelopes impregnated with different concentrations of c.e.e., dissolved in dimethylsulfoxide (DMSO) and distilled water for determination of lethal concentrations (LC). The following treatments were used: 1. Envelopes of dry filter paper; 2. Envelopes of filter paper moistened with distilled water; 3. Envelopes of filter paper moistened with a solution of DMSO in distilled water; and 4. Envelopes moistened with 2 mL of each concentration of the c.e.e. to be tested. The bioassays were carried out in quadruplicate at 27°±1° C and RH e"80% and 12h...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Botanical acaricide; Sapindaceae; Magonia pubescens; Tinguí-do-cerrado; Boophilus microplus; Cattle tick.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000600009
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