Reference : Strategy to control the effectiveness of microwave treatment of wood in the framework of...
Scientific journals : Article
Life sciences : Agriculture & agronomy
Life sciences : Entomology & pest control
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/20690
Strategy to control the effectiveness of microwave treatment of wood in the framework of the implementation of ISPM 15
English
Henin, Jean-Marc [> >]
Charron, Stéphane [> >]
Luypaert, Peter [> >]
Jourez, Benoît mailto [Université de Liège - ULg > Forêts, Nature et Paysage > Gestion des ressources forestières et des milieux naturels >]
Hebert, Jacques mailto [Université de Liège - ULg > Forêts, Nature et Paysage > Gestion des ressources forestières et des milieux naturels >]
2008
Forest Products Journal
Forest Products Society
58
12
75-81
Yes (verified by ORBi)
International
0015-7473
[en] ISPM15 ; microwave treatment ; wood packaging
[en] Wood packaging materials (WPM) are known to be important potential vectors of exotic organisms, some of which turn into major ecological or socio-economic problems in regions where they are introduced. At present, the heating and methyl bromide fumigation of WPM are the only sanitary treatments approved under ISPM15 (FAO 2002). Since both methods present noticeable disadvantages, the use of microwaves for the disinfestation of WPM is a very attractive alternative. Therefore, pallet components (22 mm-thick pine planks) artificially infested with larvae of Hylotrupes bajulus (Col., Cerambycidae) were treated in a continuous conveying tunnel design of 4 kW microwave oven. Posttreatment surface and inside emperatures of the planks were strongly correlated. As expected from the literature, all larvae exposed to inside plank temperatures exceeding 55 °C died. Surface temperatures higher than 60 °C guaranteed these lethal conditions inside the wood, whatever its moisture content. Those
<br />observations thus suggest that treatment effectiveness could be controlled through the measurement of the planks’ surfacetemperatures. Although further experiments are needed, irradiation of 22 mm-thick pine planks in a continuously supplied 28.8 kW microwave oven confirmed the appeal of this monitoring strategy. If successful treatment control is demonstrated whatever the characteristics of the planks (thickness, basic density, species, MC, . . . ), the proposed monitoring strategy, which can be integrated in an assembly line provided with a tunnel oven, can be a significant step towards the recognition of microwave
<br />irradiation as an acceptable treatment for eradication of pests and pathogens in WPM.
Walloon Research Centre for Nature, Forests and
Ministry of walloon Region
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/20690
also: http://hdl.handle.net/2268/95505

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