Chitosan and Laminarin as Alternatives to Copper for Plasmopara viticola Control: Effect on Grape Amino Acid

Copper fungicide use is limited by the European regulation; therefore, new strategies have been developed to prevent grapevine downy mildew (GDM). However, there is poor information about their effects on grape amino acid composition. This field trial aimed to evaluate the effect on grape amino acid...

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Veröffentlicht in:	Journal of agricultural and food chemistry 2017-08, Vol.65 (34), p.7379-7386
Hauptverfasser:	Garde-Cerdán, T, Mancini, V, Carrasco-Quiroz, M, Servili, A, Gutiérrez-Gamboa, G, Foglia, R, Pérez-Álvarez, E. P, Romanazzi, G
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Sprache:	eng
Schlagworte:	Amino Acids - metabolism Chitosan - pharmacology Copper - pharmacology Fungicides, Industrial - pharmacology Glucans - pharmacology Oomycetes - drug effects Oomycetes - metabolism Oomycetes - physiology Plant Diseases - microbiology Vitis - metabolism Vitis - microbiology
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container_issue	34
container_start_page	7379
container_title	Journal of agricultural and food chemistry
container_volume	65
creator	Garde-Cerdán, T Mancini, V Carrasco-Quiroz, M Servili, A Gutiérrez-Gamboa, G Foglia, R Pérez-Álvarez, E. P Romanazzi, G
description	Copper fungicide use is limited by the European regulation; therefore, new strategies have been developed to prevent grapevine downy mildew (GDM). However, there is poor information about their effects on grape amino acid composition. This field trial aimed to evaluate the effect on grape amino acid composition of chitosan and of a mixture of laminarin and Saccharomyces extracts (LamE), applied in different strategies with copper hydroxide. The results showed that all the treatments applied to grapevines decreased the concentration of several amino acids. Moreover, treatments that have mostly decreased these compounds are those with copper hydroxide, especially when applied individually. LamE applied individually or alternately with copper hydroxide had the least negative effect on grape amino acid content. These results provide further information about the negative effects of copper on grape quality, which can be reduced when it is used in strategy with LamE or chitosan in GDM control.
doi_str_mv	10.1021/acs.jafc.7b02352
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These results provide further information about the negative effects of copper on grape quality, which can be reduced when it is used in strategy with LamE or chitosan in GDM control.</description><subject>Amino Acids - metabolism</subject><subject>Chitosan - pharmacology</subject><subject>Copper - pharmacology</subject><subject>Fungicides, Industrial - pharmacology</subject><subject>Glucans - pharmacology</subject><subject>Oomycetes - drug effects</subject><subject>Oomycetes - metabolism</subject><subject>Oomycetes - physiology</subject><subject>Plant Diseases - microbiology</subject><subject>Vitis - metabolism</subject><subject>Vitis - microbiology</subject><issn>0021-8561</issn><issn>1520-5118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kEtLAzEURoMoWh97V5KlC6fm0SQz7kqpDyjoQtfDbSbBSGYyJqngvzfa6s7V5XLP98E9CJ1TMqWE0WvQafoGVk_VmjAu2B6aUMFIJSit99GEFKaqhaRH6DilN0JILRQ5REesVqJhVE2QX7y6HBIMGIYOr6B3A0RXtoTnPps4QHYfJuEc8CKMo4nYhoifPKQ-jBABf7jsdPBQzkOOwd_gpbVGZxwGfBdhNHheOgOea9edogMLPpmz3TxBL7fL58V9tXq8e1jMVxVwLnMlQTW05mvLldKztZ4RyyUVTdc0s6ZjWhCmuJVSzsrTTEpOKRN1B1KpWpDO8BN0ue0dY3jfmJTb3iVtvIfBhE1qacMEqykVpKBki-oYUorGtmN0PcTPlpL223FbHLffjtud4xK52LVv1r3p_gK_UgtwtQV-omFTJPr0f98X1BOGYw</recordid><startdate>20170830</startdate><enddate>20170830</enddate><creator>Garde-Cerdán, T</creator><creator>Mancini, V</creator><creator>Carrasco-Quiroz, M</creator><creator>Servili, A</creator><creator>Gutiérrez-Gamboa, G</creator><creator>Foglia, R</creator><creator>Pérez-Álvarez, E. 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subjects	Amino Acids - metabolism Chitosan - pharmacology Copper - pharmacology Fungicides, Industrial - pharmacology Glucans - pharmacology Oomycetes - drug effects Oomycetes - metabolism Oomycetes - physiology Plant Diseases - microbiology Vitis - metabolism Vitis - microbiology
title	Chitosan and Laminarin as Alternatives to Copper for Plasmopara viticola Control: Effect on Grape Amino Acid
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