PEST CONTROL TREATMENT FOR PINE BLIGHT-DEVELOPED WOOD AND QUALITY IMPROVEMENT THEREOF INTO WOOD FOR PROCESSING

摘要

PURPOSE:To obtain wood for processing by heating pine blight-developed pine wood in a specific non-flammable gas atmosphere to kill and/or repel the relevant eelworms and the insect pests mediating said eelworms. CONSTITUTION:(A) Pine blight-developed pine wood is put into e.g., a closed-type heating kettle whose inner space is filled with (B) an atmosphere containing =90% of non-flammable gas such as nitrogen or carbon dioxide, and heated for =30min so that the temperature of the wood A reaches 50-250 deg.C at its center to kill the pathogen etc., thus obtaining the objective wood.