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Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects

BACKGROUND: Glucosinolate breakdown products are volatile, therefore good candidates for insect fumigants. However, although they are insecticidal, the mode of action of such natural products is not clear. We studied the insecticidal effect of these compounds as fumigants, and monitored the producti...

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Autores principales: Tsao, Rong, Peterson, Chris J, Coats, Joel R
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2002
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC102324/
https://www.ncbi.nlm.nih.gov/pubmed/11914158
http://dx.doi.org/10.1186/1472-6785-2-5
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author Tsao, Rong
Peterson, Chris J
Coats, Joel R
author_facet Tsao, Rong
Peterson, Chris J
Coats, Joel R
author_sort Tsao, Rong
collection PubMed
description BACKGROUND: Glucosinolate breakdown products are volatile, therefore good candidates for insect fumigants. However, although they are insecticidal, the mode of action of such natural products is not clear. We studied the insecticidal effect of these compounds as fumigants, and monitored the production of carbon dioxide by the insects as a probe to the understanding of their mode of action. RESULTS: The fumigation 24-h LC(50) against the house fly (Musca domestica L.) of allyl thiocyanate, allyl isothiocyanate, allyl cyanide, and l-cyano-2-hydroxy-3-butene was 0.1, 0.13, 3.66, and 6.2 μg cm(-3), respectively; they were 0.55, 1.57, 2.8, and > 19.60 μg cm(-3), respectively, against the lesser grain borer (Rhyzopertha dominica Fabricius). The fumigation toxicity of some of the glucosinolate products was very close to or better than that of the commercial insect fumigants such as chloropicrin (LC(50): 0.08 and 1.3 μg cm(-3) against M. domestica and R. dominica, respectively) and dichlorovos (LC(50): < 0.02 and 0.29 μg cm(-3) against M. domestica and R. dominica, respectively) in our laboratory tests. Significantly increased CO(2) expiration was found in insects exposed to the vapor of allyl isothiocyanate, allyl thiocyanate and allyl isocyanate. Allyl isothiocyanate was also found to increase the CO(2) expiration of the American cockroach (Periplaneta americana L.). CONCLUSIONS: Glucosinolate breakdown products have potential as biodegradable and safe insect fumigants. They may act on the insect respiratory system in their mode of action.
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spelling pubmed-1023242002-04-19 Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects Tsao, Rong Peterson, Chris J Coats, Joel R BMC Ecol Research Article BACKGROUND: Glucosinolate breakdown products are volatile, therefore good candidates for insect fumigants. However, although they are insecticidal, the mode of action of such natural products is not clear. We studied the insecticidal effect of these compounds as fumigants, and monitored the production of carbon dioxide by the insects as a probe to the understanding of their mode of action. RESULTS: The fumigation 24-h LC(50) against the house fly (Musca domestica L.) of allyl thiocyanate, allyl isothiocyanate, allyl cyanide, and l-cyano-2-hydroxy-3-butene was 0.1, 0.13, 3.66, and 6.2 μg cm(-3), respectively; they were 0.55, 1.57, 2.8, and > 19.60 μg cm(-3), respectively, against the lesser grain borer (Rhyzopertha dominica Fabricius). The fumigation toxicity of some of the glucosinolate products was very close to or better than that of the commercial insect fumigants such as chloropicrin (LC(50): 0.08 and 1.3 μg cm(-3) against M. domestica and R. dominica, respectively) and dichlorovos (LC(50): < 0.02 and 0.29 μg cm(-3) against M. domestica and R. dominica, respectively) in our laboratory tests. Significantly increased CO(2) expiration was found in insects exposed to the vapor of allyl isothiocyanate, allyl thiocyanate and allyl isocyanate. Allyl isothiocyanate was also found to increase the CO(2) expiration of the American cockroach (Periplaneta americana L.). CONCLUSIONS: Glucosinolate breakdown products have potential as biodegradable and safe insect fumigants. They may act on the insect respiratory system in their mode of action. BioMed Central 2002-03-22 /pmc/articles/PMC102324/ /pubmed/11914158 http://dx.doi.org/10.1186/1472-6785-2-5 Text en Copyright © 2002 Tsao et al; licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL.
spellingShingle Research Article
Tsao, Rong
Peterson, Chris J
Coats, Joel R
Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
title Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
title_full Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
title_fullStr Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
title_full_unstemmed Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
title_short Glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
title_sort glucosinolate breakdown products as insect fumigants and their effect on carbon dioxide emission of insects
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC102324/
https://www.ncbi.nlm.nih.gov/pubmed/11914158
http://dx.doi.org/10.1186/1472-6785-2-5
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