Annotated R Scripts (English, ZIP)

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Publisher-reported update

2024-07-19

PURPOSE: Determine the time and temperature combinations that result in partial and complete mortality of larvae of the Bronze birch borer DESCRIPTION: The protection of forest resources and the safe trade of forest products require phytosanitary measures which reduce the risk of pest movement to novel environments. Technically sound science to develop measures are required to support safe trade policies. Heat treatment is a widely available, efficient and effective method to produce phytosanitary wood products destined for trade. Defining the optimal heat treatment dose needed to kill insects in wood products reduces the risk of spreading exotic species to new environments with the lowest possible energy cost which in turn reduces environmental impacts and provides confidence in current guidelines for heat treatment regulations. The minimum effective heat treatment dose (time and temperature) for Agrilus anxius (bronze birch borer) prepupae was determined using the Humble water bath applying heat in vitro. Heat treatment was assessed using a controlled increase in temperature to simulate the heat ramp applied to wood in industrial kilns and conventional heat chamber operations.…

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