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Revista de Protección Vegetal

versión impresa ISSN 1010-2752

Resumen

PEREZ MADRUGA, Yanebis; ALONSO-RODRIGUEZ, Delvy; CHICO, Reynaldo  y  RODRIGUEZ MORELL, Héctor. Rearing of Neoseiulus longispinosus (Evans) on Tetranychus tumidus Banks using the tray method. Rev. Protección Veg. [online]. 2014, vol.29, n.2, pp.141-144. ISSN 1010-2752.

With the aim of mass rearing the predatory mite Neoseiulus longispinosus, the rearing of this mite was evaluated using the tray method with the Phaseulus vulgaris L. variety Fósforo-40 as host plant and Tetranychus tumidus Banks as prey under laboratory conditions. Bean seeds were planted and infested with the prey mite 15 days after germination. After seven days, the mass rearing experiment was initiated. The infested bean leaflets were placed on the trays and 20 females of N. longispinosus were released. The population increase per replica was determined after 15 days and the percentages of the predator population present in the different strata of the rearing unit were determined applying a multiple comparison analysis of proportions. The intrinsic rate of increase (rm), the finite rate of increase (l), the net reproductive rate (Ro) were 0,26, 1,30 and 49,84, respectively. The preference for the stratum for each stage of the predator was identified. It was shown that N. longispinosus could be reproduced on trays with a minimum of handling and the proper values of the demographic parameters. These results showed that the tray method with T. tumidus as prey might be an option for the reproduction of N. longispinosus.

Palabras clave : mass reproduction; Neoseiulus longispinosus.

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