Abstract
A simulation model of the flight activity ofCydia funebrana was constructed on the basis of data on male captures in pheromone traps placed in a plum orchard in Central Bohemia in 1988 to 1990. The model was verified from 1991 to 1993 as a method of predicting the course of the emergence flight activity of particular generations in dependence on degree day values. The nonlinear model based on Richards' transformation was more suitable for the simulation than the linear one based on probit transformation. A technique has been proposed to use the model ofC. funebrana flight activity for optimal timing of ovicide applications based on fenoxycarb and diflubenzuron in systems of integrated pest management in plum orchards.
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