Effect of relative humidity on the population dynamics fo the predator Amblyseius swirskii and its prey Carpoglyphus lactis in the context of slow-release for use in biological control in greenhouses
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Solano-Rojas, Yohan; Gallego, Juan Ramón; Gámez, Manuel; López García, María Inmaculada![Autoridad Universidad de Almería Autoridad Universidad de Almería](/themes/Mirage2/images/autoridades/autoridad.png)
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2022-09-23Resumen
Amblyseius swirskii is a predatory mite that is widely used for biological control in greenhouses.
One way this predator is released is in a formulation in slow-release sachets. These sachets
are prepared with the predatory mite, the factitious prey mite Carpoglyphus lactis, and a food substrate
for the latter. The objective of the present study was to study the effects of microclimatic conditions in
this type of formulation on the population dynamics of mites inside the sachets and on the release of
predatory mites. These experiments were conducted under laboratory conditions in two trials. The
ambient relative humidity affected the water content of the food substrate of the prey mite inside
the sachets, with an initial value of 21.49 +/- 0.42%, which was reduced to values of 4.7 +/- 0.25%,
10.87 +/- 1.03% and 17.27 +/- 0.82% after 21 days of trials when they were exposed to low, medium
and high ambient relative humidity levels, respectively. Relative humidity significantly a...
Palabra/s clave
Agronomy
Entomology