Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment

In repressive protection of cultural/historical woodwork, microwaves have many advantages over conventional heating. The research%s objective was to examine conditions for eradication of house longhorn beetle larvae (Hylotrupes bajulus) in spruce wood (Picea abies) using microwaves. Larvae,...

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Autores principales:	Martin Klinc, Franc Pohleven
Formato:	article
Lenguaje:	DE EN ES FR SL
Publicado:	Slovenian Forestry Institute 2017
Materias:	Forestry SD1-669.5 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/ebe29900536348df9157a835a2a37a7b
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spelling	oai:doaj.org-article:ebe29900536348df9157a835a2a37a7b2021-11-15T12:34:45ZEffect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment2335-31122335-395310.20315/ASetL.113.3https://doaj.org/article/ebe29900536348df9157a835a2a37a7b2017-01-01T00:00:00Zhttp://dirros.openscience.si/IzpisGradiva.php?id=8101https://doaj.org/toc/2335-3112https://doaj.org/toc/2335-3953 In repressive protection of cultural/historical woodwork, microwaves have many advantages over conventional heating. The research%s objective was to examine conditions for eradication of house longhorn beetle larvae (Hylotrupes bajulus) in spruce wood (Picea abies) using microwaves. Larvae, inserted at different depths of spruce blocks containing 12% and 42% of moisture, were exposed to microwaves. Two apparatuses were used; a 750W commercial microwave chamber and a newly developed horn antenna microwave device with the power of 800W and a frequency of 2.45GHz, for targeted radiation. We discovered that the inner part of wood warmed up quicker than the surface heated to 65°C. For successful suppression larvae in the wood need to be heated to 54.5°C, for 10 seconds. The necessary exposure time increases with increasing thickness of wood. The surface of wood containing more moisture is heated quicker, but increased moisture slows down the penetration of microwaves into the wood specimen. Therefore, larvae in wood of lower moisture (12%) died faster, both those 20mm under surface (1.5min) and those at 130 mm of depth (10.5min).Martin KlincFranc PohlevenSlovenian Forestry InstitutearticleForestrySD1-669.5Environmental sciencesGE1-350DEENESFRSLActa Silvae et Ligni, Vol 113, Pp 29-39 (2017)
institution	DOAJ
collection	DOAJ
language	DE EN ES FR SL
topic	Forestry SD1-669.5 Environmental sciences GE1-350
spellingShingle	Forestry SD1-669.5 Environmental sciences GE1-350 Martin Klinc Franc Pohleven Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
description	In repressive protection of cultural/historical woodwork, microwaves have many advantages over conventional heating. The research%s objective was to examine conditions for eradication of house longhorn beetle larvae (Hylotrupes bajulus) in spruce wood (Picea abies) using microwaves. Larvae, inserted at different depths of spruce blocks containing 12% and 42% of moisture, were exposed to microwaves. Two apparatuses were used; a 750W commercial microwave chamber and a newly developed horn antenna microwave device with the power of 800W and a frequency of 2.45GHz, for targeted radiation. We discovered that the inner part of wood warmed up quicker than the surface heated to 65°C. For successful suppression larvae in the wood need to be heated to 54.5°C, for 10 seconds. The necessary exposure time increases with increasing thickness of wood. The surface of wood containing more moisture is heated quicker, but increased moisture slows down the penetration of microwaves into the wood specimen. Therefore, larvae in wood of lower moisture (12%) died faster, both those 20mm under surface (1.5min) and those at 130 mm of depth (10.5min).
format	article
author	Martin Klinc Franc Pohleven
author_facet	Martin Klinc Franc Pohleven
author_sort	Martin Klinc
title	Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
title_short	Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
title_full	Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
title_fullStr	Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
title_full_unstemmed	Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
title_sort	effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment
publisher	Slovenian Forestry Institute
publishDate	2017
url	https://doaj.org/article/ebe29900536348df9157a835a2a37a7b
work_keys_str_mv	AT martinklinc effectoftemperatureontheeradicationofhouselonghornbeetlelarvaeinwoodbymicrowavetreatment AT francpohleven effectoftemperatureontheeradicationofhouselonghornbeetlelarvaeinwoodbymicrowavetreatment
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Effect of temperature on the eradication of house longhorn beetle larvae in wood by microwave treatment

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