Anti-tick repellent effect of Andropogon gayanus grass on plots of different ages experimentally infested with Boophilus microplus larvae
The anti-tick repellent effect of Andropogon gayanus grass was evaluated on plots of different ages experimentally infested with Boophilus microplus larvae, using Cenchurus ciliaris as control grass. Four infestations were made, at different plant ages, 3, 6, 9 and 12 months old. The effect was eval...
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| Autores principales: | , |
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| Lenguaje: | English |
| Publicado: |
Sociedad Chilena de Parasitología.Federación Latinoamericana de Parasitología
2000
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-07202000000300003 |
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| Sumario: | The anti-tick repellent effect of Andropogon gayanus grass was evaluated on plots of different ages experimentally infested with Boophilus microplus larvae, using Cenchurus ciliaris as control grass. Four infestations were made, at different plant ages, 3, 6, 9 and 12 months old. The effect was evaluated by recovery of larvae from the experimental plots by flagging during a four week period after each infestation. The anti-tick repellent effect observed in A. gayanus grass was manifested only in mature plants, of 6 months old or more where highly differences were detected (p < 0.01) with control grass. The live larval recovery percentages in A. gayanus grass were 16.2%, 11% and 12% in plants of 6, 9 and 12 months old respectively while in C. ciliaris were 22.5%, 19% and 24.5% respectively. The effect of plant age on live larval recovery was greater than the effect of the grass species. Further studies are necessary to determine the potential use of this grass in field conditions as part of an integrated tick control package. |
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