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A multifactorial study of the resistance of honeybees Apis mellifera to the mite Varroa destructor over one year in Mexico

Tipo de material: Artículo impreso(a) Artículo impreso(a) Idioma: Inglés Tipo de contenido:
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Tema(s) en español: Tema(s) en inglés: En: Apidologie volumen 36, número 3 (July-September 2005), páginas 345-358Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso Resumen:
Inglés

A one year study was conducted to evaluate the population growth of three kinds of honey bee colonies and Varroa destructor mites in Mexico, and to estimate the relative contributions of three resistance mechanisms of the bees: hygienic behavior, grooming behavior, and reproductive ability of the parasite. Very significant changes over the year were observed in the number of mated female offspring produced per mother mite (Wr), mite fertility and mutilation of V. destructor. These changes were correlated to the total number of mites per colony. A factorial analysis showed that two mechanisms explained the variation in the amount of mites per colony: Wr (r2=0.73) and proportion of mutilated mites (r2=0.51). A multi-factorial model including these two mechanisms was significant (r2=0.97). The mite fecundity and the hygienic behavior could not explain the population changes of the mite, and the different kinds of bees showed no differences in the expression of the resistance mechanisms.

Número de sistema: 38073
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Artículos Biblioteca Tapachula Artículos Hemeroteca (AR HM) ECOSUR 001 Disponible 730402C38073-10

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A one year study was conducted to evaluate the population growth of three kinds of honey bee colonies and Varroa destructor mites in Mexico, and to estimate the relative contributions of three resistance mechanisms of the bees: hygienic behavior, grooming behavior, and reproductive ability of the parasite. Very significant changes over the year were observed in the number of mated female offspring produced per mother mite (Wr), mite fertility and mutilation of V. destructor. These changes were correlated to the total number of mites per colony. A factorial analysis showed that two mechanisms explained the variation in the amount of mites per colony: Wr (r2=0.73) and proportion of mutilated mites (r2=0.51). A multi-factorial model including these two mechanisms was significant (r2=0.97). The mite fecundity and the hygienic behavior could not explain the population changes of the mite, and the different kinds of bees showed no differences in the expression of the resistance mechanisms. Inglés