Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage

Glyphosate is the main herbicide used in coffee (Coffea arabica L.) plantations in Brazil. Problems with herbicide drift commonly occur in orchard fields due to non-adequate spraying conditions. A series of experiments was carried out aiming to evaluate physiological dose-response of C. arabica plan...

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Autores principales:	de Carvalho,Leonardo Bianco, Aguiar Alves,Pedro Luis da Costa, Bianco,Silvano, De Prado,Rafael
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2012
Materias:	N-(phosphonomethyl) glycine herbicide drift photosynthesis plant nutrition
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000200003
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spelling	oai:scielo:S0718-583920120002000032018-10-01Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stagede Carvalho,Leonardo BiancoAguiar Alves,Pedro Luis da CostaBianco,SilvanoDe Prado,Rafael N-(phosphonomethyl) glycine herbicide drift photosynthesis plant nutrition Glyphosate is the main herbicide used in coffee (Coffea arabica L.) plantations in Brazil. Problems with herbicide drift commonly occur in orchard fields due to non-adequate spraying conditions. A series of experiments was carried out aiming to evaluate physiological dose-response of C. arabica plants submitted to exposure to simulated glyphosate drift in two distinct plant growth stages. Glyphosate was applied at 0, 180, 360, and 720 g acid equivalent (AE) ha-1 directly on coffee plants with 10 and 45 d after transplanting (DAT). Glyphosate doses in a range of 180-360 g AE ha-1 increased photosynthesis, transpiration and stomatal conductance in 10 DAT-plants up to 14 d after application (DAA) while, in 45 DAT-plants, an increase was observed only up to 2 DAA, but this pattern was not persistent afterwards so that no difference in gas exchange was observed at 60 DAA in both plants. Macronutrient content was not affected by glyphosate application in both plants. Plant DM accumulation was not affected by glyphosate application at 10 DAT-plants, but an increase in plant growth was observed when glyphosate was applied in a range of 360-720 g AE ha-1 in 45 DAT-plants. Coffea arabica cv. Catuaí Vermelho IAC-144 responded differentially to glyphosate drift depending on plant growth stage, regarding on photosynthesis, transpiration, stomatal conductance, and plant growth, in spite of macronutrient nutrition was not affected.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.72 n.2 20122012-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000200003en10.4067/S0718-58392012000200003
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	N-(phosphonomethyl) glycine herbicide drift photosynthesis plant nutrition
spellingShingle	N-(phosphonomethyl) glycine herbicide drift photosynthesis plant nutrition de Carvalho,Leonardo Bianco Aguiar Alves,Pedro Luis da Costa Bianco,Silvano De Prado,Rafael Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage
description	Glyphosate is the main herbicide used in coffee (Coffea arabica L.) plantations in Brazil. Problems with herbicide drift commonly occur in orchard fields due to non-adequate spraying conditions. A series of experiments was carried out aiming to evaluate physiological dose-response of C. arabica plants submitted to exposure to simulated glyphosate drift in two distinct plant growth stages. Glyphosate was applied at 0, 180, 360, and 720 g acid equivalent (AE) ha-1 directly on coffee plants with 10 and 45 d after transplanting (DAT). Glyphosate doses in a range of 180-360 g AE ha-1 increased photosynthesis, transpiration and stomatal conductance in 10 DAT-plants up to 14 d after application (DAA) while, in 45 DAT-plants, an increase was observed only up to 2 DAA, but this pattern was not persistent afterwards so that no difference in gas exchange was observed at 60 DAA in both plants. Macronutrient content was not affected by glyphosate application in both plants. Plant DM accumulation was not affected by glyphosate application at 10 DAT-plants, but an increase in plant growth was observed when glyphosate was applied in a range of 360-720 g AE ha-1 in 45 DAT-plants. Coffea arabica cv. Catuaí Vermelho IAC-144 responded differentially to glyphosate drift depending on plant growth stage, regarding on photosynthesis, transpiration, stomatal conductance, and plant growth, in spite of macronutrient nutrition was not affected.
author	de Carvalho,Leonardo Bianco Aguiar Alves,Pedro Luis da Costa Bianco,Silvano De Prado,Rafael
author_facet	de Carvalho,Leonardo Bianco Aguiar Alves,Pedro Luis da Costa Bianco,Silvano De Prado,Rafael
author_sort	de Carvalho,Leonardo Bianco
title	Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage
title_short	Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage
title_full	Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage
title_fullStr	Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage
title_full_unstemmed	Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage
title_sort	physiological dose-response of coffee (coffea arabica l.) plants to glyphosate depends on growth stage
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392012000200003
work_keys_str_mv	AT decarvalholeonardobianco physiologicaldoseresponseofcoffeecoffeaarabicalplantstoglyphosatedependsongrowthstage AT aguiaralvespedroluisdacosta physiologicaldoseresponseofcoffeecoffeaarabicalplantstoglyphosatedependsongrowthstage AT biancosilvano physiologicaldoseresponseofcoffeecoffeaarabicalplantstoglyphosatedependsongrowthstage AT depradorafael physiologicaldoseresponseofcoffeecoffeaarabicalplantstoglyphosatedependsongrowthstage
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Physiological Dose-Response of Coffee (Coffea arabica L.) Plants to Glyphosate Depends on Growth Stage

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