Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)

The contents of long-chain fatty acids in non-polar root extracts from 1.6 year-old red clover plants of two cultivars (Superqueli INIA and Quiñequeli INIA) and one experimental line (Syn II Pre III), their relationships with H. obscurus populations, and the stimulant or deterrent effects of the roo...

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Autores principales:	Toledo,Dayand, Parra,Leonardo, Mutis,Ana, Ortega,Fernando, Hormazábal,Emilio, Quiroz,Andrés
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2014
Materias:	Deterrent Hylastinus obscurus Trifolium pratense palmitic acid
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300008
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spelling	oai:scielo:S0718-162020140003000082015-02-25Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)Toledo,DayandParra,LeonardoMutis,AnaOrtega,FernandoHormazábal,EmilioQuiroz,Andrés Deterrent Hylastinus obscurus Trifolium pratense palmitic acid The contents of long-chain fatty acids in non-polar root extracts from 1.6 year-old red clover plants of two cultivars (Superqueli INIA and Quiñequeli INIA) and one experimental line (Syn II Pre III), their relationships with H. obscurus populations, and the stimulant or deterrent effects of the root extracts and of individual fatty acids on the weight gain of H. obscurus were investigated. There was an inverse relationship between the insect population size and the palmitic acid content. The Superqueli INIA cultivar contained the highest palmitic acid content and the lowest insect load. When solutions of either palmitic or oleic acids were individually incorporated into an artificial diet, palmitic acid caused a decrease in weight gain, whereas the effect of oleic acid was similar to that of the phagostimulant saccharose. Hence, palmitic acid might be applied directly in H. obscurus control programs to prevent or reduce feeding and oviposition behaviors or might be used as a tool for selecting resistant cultivars.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.41 n.3 20142014-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300008en10.4067/S0718-16202014000300008
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Deterrent Hylastinus obscurus Trifolium pratense palmitic acid
spellingShingle	Deterrent Hylastinus obscurus Trifolium pratense palmitic acid Toledo,Dayand Parra,Leonardo Mutis,Ana Ortega,Fernando Hormazábal,Emilio Quiroz,Andrés Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)
description	The contents of long-chain fatty acids in non-polar root extracts from 1.6 year-old red clover plants of two cultivars (Superqueli INIA and Quiñequeli INIA) and one experimental line (Syn II Pre III), their relationships with H. obscurus populations, and the stimulant or deterrent effects of the root extracts and of individual fatty acids on the weight gain of H. obscurus were investigated. There was an inverse relationship between the insect population size and the palmitic acid content. The Superqueli INIA cultivar contained the highest palmitic acid content and the lowest insect load. When solutions of either palmitic or oleic acids were individually incorporated into an artificial diet, palmitic acid caused a decrease in weight gain, whereas the effect of oleic acid was similar to that of the phagostimulant saccharose. Hence, palmitic acid might be applied directly in H. obscurus control programs to prevent or reduce feeding and oviposition behaviors or might be used as a tool for selecting resistant cultivars.
author	Toledo,Dayand Parra,Leonardo Mutis,Ana Ortega,Fernando Hormazábal,Emilio Quiroz,Andrés
author_facet	Toledo,Dayand Parra,Leonardo Mutis,Ana Ortega,Fernando Hormazábal,Emilio Quiroz,Andrés
author_sort	Toledo,Dayand
title	Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)
title_short	Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)
title_full	Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)
title_fullStr	Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)
title_full_unstemmed	Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)
title_sort	influence of long-chain fatty acids on weight gain of hylastinus obscurus (coleoptera: curculionidae)
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300008
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Influence of long-chain fatty acids on weight gain of Hylastinus obscurus (Coleoptera: Curculionidae)

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