Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop

ABSTRACT Maize (Zea mays L.) is one crop of major relevance in Brazil; however, nematodes are limiting factors in maize growth and productivity due to the difficulty to control them. Studies point out that arbuscular mycorrhizal fungi (AMF) increase plant tolerance to nematodes. Thus, the aim of thi...

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Autores principales: Brito,Olivia Diulen Costa, Hernandes,Isabela, Ferreira,Júlio César Antunes, Cardoso,Michelly Ragazzi, Alberton,Odair, Dias-Arieira,Claudia Regina
Lenguaje:English
Publicado: Instituto de Investigaciones Agropecuarias, INIA 2018
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392018000400521
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spelling oai:scielo:S0718-583920180004005212018-12-26Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize cropBrito,Olivia Diulen CostaHernandes,IsabelaFerreira,Júlio César AntunesCardoso,Michelly RagazziAlberton,OdairDias-Arieira,Claudia Regina Management mycorrhizal root-lesion nematode Zea mays ABSTRACT Maize (Zea mays L.) is one crop of major relevance in Brazil; however, nematodes are limiting factors in maize growth and productivity due to the difficulty to control them. Studies point out that arbuscular mycorrhizal fungi (AMF) increase plant tolerance to nematodes. Thus, the aim of this study was to assess the association between AMFs and Pratylenchus brachyurus in maize growth. Six AMF species (Rhizophagus clarus, Claroideoglomus etunicatum, Gigaspora rosea, G. margarita, Scutellospora calospora, S. heterogama), as well as a control treatment free of mycorrhizae, were assessed under two different nematode inoculum conditions (presence and absence). Plants were collected and analyzed 60 d after inoculation. The nematode population was higher in the treatments inoculated with AMFs. On the other hand, just the plants inoculated with R. clarus did not present improved development in comparison to the control. Nematodes increased AMF spore density, but despite the fact that AMFs have presented different root colonization capacity (ranging from 2.3% to 95.0%), such capacity was not affected by the nematodesinfo:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.78 n.4 20182018-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392018000400521en10.4067/S0718-58392018000400521
institution Scielo Chile
collection Scielo Chile
language English
topic Management
mycorrhizal
root-lesion nematode
Zea mays
spellingShingle Management
mycorrhizal
root-lesion nematode
Zea mays
Brito,Olivia Diulen Costa
Hernandes,Isabela
Ferreira,Júlio César Antunes
Cardoso,Michelly Ragazzi
Alberton,Odair
Dias-Arieira,Claudia Regina
Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop
description ABSTRACT Maize (Zea mays L.) is one crop of major relevance in Brazil; however, nematodes are limiting factors in maize growth and productivity due to the difficulty to control them. Studies point out that arbuscular mycorrhizal fungi (AMF) increase plant tolerance to nematodes. Thus, the aim of this study was to assess the association between AMFs and Pratylenchus brachyurus in maize growth. Six AMF species (Rhizophagus clarus, Claroideoglomus etunicatum, Gigaspora rosea, G. margarita, Scutellospora calospora, S. heterogama), as well as a control treatment free of mycorrhizae, were assessed under two different nematode inoculum conditions (presence and absence). Plants were collected and analyzed 60 d after inoculation. The nematode population was higher in the treatments inoculated with AMFs. On the other hand, just the plants inoculated with R. clarus did not present improved development in comparison to the control. Nematodes increased AMF spore density, but despite the fact that AMFs have presented different root colonization capacity (ranging from 2.3% to 95.0%), such capacity was not affected by the nematodes
author Brito,Olivia Diulen Costa
Hernandes,Isabela
Ferreira,Júlio César Antunes
Cardoso,Michelly Ragazzi
Alberton,Odair
Dias-Arieira,Claudia Regina
author_facet Brito,Olivia Diulen Costa
Hernandes,Isabela
Ferreira,Júlio César Antunes
Cardoso,Michelly Ragazzi
Alberton,Odair
Dias-Arieira,Claudia Regina
author_sort Brito,Olivia Diulen Costa
title Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop
title_short Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop
title_full Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop
title_fullStr Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop
title_full_unstemmed Association between arbuscular mycorrhizal fungi and Pratylenchus brachyurus in maize crop
title_sort association between arbuscular mycorrhizal fungi and pratylenchus brachyurus in maize crop
publisher Instituto de Investigaciones Agropecuarias, INIA
publishDate 2018
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392018000400521
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