Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)

Abstract: In laboratory by dual choice test, stem and root alkaloid extracts of Berberis microphylla showed antifeedant activity against third-instar Plutella xylostella larvae. Stem extracts showed significantly lower leaf consumptions at concentrations of 500 and 1000 mg/L, as illustrated by antif...

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Autores principales:	Manosalva,Loreto, Mutis,Ana, Palma,Rubén, Fajardo,Víctor, Quiroz,Andrés
Lenguaje:	English
Publicado:	Universidad de Magallanes 2019
Materias:	antifeedant activity alkaloid extracts
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-686X2019000100017
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spelling	oai:scielo:S0718-686X20190001000172019-06-05Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)Manosalva,LoretoMutis,AnaPalma,RubénFajardo,VíctorQuiroz,Andrés antifeedant activity alkaloid extracts Abstract: In laboratory by dual choice test, stem and root alkaloid extracts of Berberis microphylla showed antifeedant activity against third-instar Plutella xylostella larvae. Stem extracts showed significantly lower leaf consumptions at concentrations of 500 and 1000 mg/L, as illustrated by antifeedant index of 72 and 97% respectively, whereas, root extracts were significantly active at 100, 500 and 1000 mg/L with antifeedant index of 68, 85 and 99% respectively. In addition, the pure berberine identified as the major alkaloid in the plant extracts showed significant lower food consumption by larvae only at concentration of 1000 mg/L, but the pure palmatine not affect feeding at any concentration. The results suggest that alkaloids extract of B. microphylla have promising antifeedant activity and could by incorporated in an integrated pest management (IPM) programs for P. xylostella.info:eu-repo/semantics/openAccessUniversidad de MagallanesAnales del Instituto de la Patagonia v.47 n.1 20192019-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-686X2019000100017en10.4067/S0718-686X2019000100017
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	antifeedant activity alkaloid extracts
spellingShingle	antifeedant activity alkaloid extracts Manosalva,Loreto Mutis,Ana Palma,Rubén Fajardo,Víctor Quiroz,Andrés Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)
description	Abstract: In laboratory by dual choice test, stem and root alkaloid extracts of Berberis microphylla showed antifeedant activity against third-instar Plutella xylostella larvae. Stem extracts showed significantly lower leaf consumptions at concentrations of 500 and 1000 mg/L, as illustrated by antifeedant index of 72 and 97% respectively, whereas, root extracts were significantly active at 100, 500 and 1000 mg/L with antifeedant index of 68, 85 and 99% respectively. In addition, the pure berberine identified as the major alkaloid in the plant extracts showed significant lower food consumption by larvae only at concentration of 1000 mg/L, but the pure palmatine not affect feeding at any concentration. The results suggest that alkaloids extract of B. microphylla have promising antifeedant activity and could by incorporated in an integrated pest management (IPM) programs for P. xylostella.
author	Manosalva,Loreto Mutis,Ana Palma,Rubén Fajardo,Víctor Quiroz,Andrés
author_facet	Manosalva,Loreto Mutis,Ana Palma,Rubén Fajardo,Víctor Quiroz,Andrés
author_sort	Manosalva,Loreto
title	Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)
title_short	Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)
title_full	Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)
title_fullStr	Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)
title_full_unstemmed	Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)
title_sort	antifeedant activity of alkaloid extracts from calafate ( berberís microphylla , g. forst, 1789) against diamondback moth larvae ( plutella xylostella , linnaeus, 1758)
publisher	Universidad de Magallanes
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-686X2019000100017
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_version_	1714205714489016320

Antifeedant activity of alkaloid extracts from calafate ( Berberís microphylla , G. Forst, 1789) against diamondback moth larvae ( Plutella xylostella , Linnaeus, 1758)

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