PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Caatinga |
Texto Completo: | https://periodicos.ufersa.edu.br/caatinga/article/view/8989 |
Resumo: | Charcoal rot caused by Macrophomina phaseolina is a major cowpea disease causing substantial losses to growers. In the semi-arid region of Brazil, cowpea is one of the most widely used alternatives for crop rotation during the off-season of melon. This favors Macrophomina multiplication because both crops are hosts of this pathogen. The objective of this study was to verify the pathogenicity of Macrophomina phaseolina and M. pseudophaseolina on cowpea. The Macrophomina spp. isolates used were obtained from the roots of Trianthema portulacastrum and Boerhavia diffusa, weed species prevalent in melon production areas in North-east Brazilian. The experiment was carried out in a greenhouse. Cowpea plants cv. ‘Paulistinha’ were inoculated with 30 M. phaseolina isolates, 30 M. pseudophaseolina isolates and a reference isolate of M. phaseolina obtained from cowpea roots. All Macrophomina isolates were able to cause disease on cowpea and there were no statistical differences between both Macrophomina species regarding disease incidence and severity. Moreover, 65.2 and 100.0% of the M. phaseolina isolates, and 56.2 and 92.8% of the M. pseudophaseolina isolates, obtained from T. portulacastrum and B. diffusa, respectively, were as severe to cowpea as the M. phaseolina reference isolate from cowpea. These results emphasize the need to establish management practices aiming to control T. portucalastrum and B. diffusa from cowpea production areas, as they can act as potential sources of inoculum and survival for Macrophomina spp. |
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PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEAPATOGENICIDADE DE ESPÉCIES DE Macrophomina COLETADAS DE PLANTAS DANINHAS EM FEIJÃO-CAUPIBoerhavia diffusa. Inoculação. Patógeno habitante do solo. Trianthema portulacastrum. Vigna unguiculata.Boerhavia diffusa. Inoculation. Soil-borne pathogen. Trianthema portulacastrum. Vigna unguiculata.Charcoal rot caused by Macrophomina phaseolina is a major cowpea disease causing substantial losses to growers. In the semi-arid region of Brazil, cowpea is one of the most widely used alternatives for crop rotation during the off-season of melon. This favors Macrophomina multiplication because both crops are hosts of this pathogen. The objective of this study was to verify the pathogenicity of Macrophomina phaseolina and M. pseudophaseolina on cowpea. The Macrophomina spp. isolates used were obtained from the roots of Trianthema portulacastrum and Boerhavia diffusa, weed species prevalent in melon production areas in North-east Brazilian. The experiment was carried out in a greenhouse. Cowpea plants cv. ‘Paulistinha’ were inoculated with 30 M. phaseolina isolates, 30 M. pseudophaseolina isolates and a reference isolate of M. phaseolina obtained from cowpea roots. All Macrophomina isolates were able to cause disease on cowpea and there were no statistical differences between both Macrophomina species regarding disease incidence and severity. Moreover, 65.2 and 100.0% of the M. phaseolina isolates, and 56.2 and 92.8% of the M. pseudophaseolina isolates, obtained from T. portulacastrum and B. diffusa, respectively, were as severe to cowpea as the M. phaseolina reference isolate from cowpea. These results emphasize the need to establish management practices aiming to control T. portucalastrum and B. diffusa from cowpea production areas, as they can act as potential sources of inoculum and survival for Macrophomina spp. A podridão de carvão causada por Macrophomina phaseolina é uma das principais doenças do feijão-caupi, causando perdas substanciais para os produtores. Na região semiárida do Brasil, o feijão-caupi é uma das alternativas utilizadas para rotação de culturas durante a entressafra do melão. Isso favorece a multiplicação de Macrophomina, uma vez que ambas as culturas são hospedeiras desse patógeno. O objetivo deste estudo foi verificar a patogenicidade em caupi de Macrophomina phaseolina e M. pseudophaseolina em caupi. Isolados de Macrophomina spp. obtidos das raízes de Trianthema portulacastrum e Boerhavia diffusa, espécies de plantas daninhas prevalentes em áreas de produção de melão no Nordeste brasileiro foram utilizadas neste estudo. O experimento foi realizado em casa de vegetação. Plantas de feijão-caupi 'Paulistinha' foram inoculados com 30 isolados de M. phaseolina, 30 isolados de M. pseudophaseolina e um isolado de referência de M. phaseolina obtido de raízes de feijão-caupi. Todos os isolados de Macrophomina foram patogênicos ao feijão-caupi, não havendo diferenças estatísticas entre as duas espécies de Macrophomina em relação à incidência e severidade da doença. Além disso, 65,2 e 100,0% dos isolados de M. phaseolina, e 56,2 e 92,8% dos isolados de M. pseudophaseolina, obtidos de T. portulacastrum e B. diffusa, respectivamente, foram tão severos ao feijão-caupi quanto o isolado de referência. Esses resultados enfatizam a necessidade de estabelecer práticas de manejo visando o controle de T. portucalastrum e B. diffusa nas áreas de produção de feijão-caupi, pois podem atuar como fontes de inóculo e sobrevivência para Macrophomina spp. Universidade Federal Rural do Semi-Árido2020-05-22info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufersa.edu.br/caatinga/article/view/898910.1590/1983-21252020v33n212rcREVISTA CAATINGA; Vol. 33 No. 2 (2020); 395-401Revista Caatinga; v. 33 n. 2 (2020); 395-4011983-21250100-316Xreponame:Revista Caatingainstname:Universidade Federal Rural do Semi-Árido (UFERSA)instacron:UFERSAenghttps://periodicos.ufersa.edu.br/caatinga/article/view/8989/10208Copyright (c) 2020 Revista Caatingainfo:eu-repo/semantics/openAccessSales Júnior, RuiSilva Neto, Alfredo Nogueira daNegreiros, Andreia Mitsa PaivaGomes, Thomas Rauan RodriguesAmbrósio, Marcia Michelle de QueirozArmengol, Josep2023-07-21T17:26:58Zoai:ojs.periodicos.ufersa.edu.br:article/8989Revistahttps://periodicos.ufersa.edu.br/index.php/caatinga/indexPUBhttps://periodicos.ufersa.edu.br/index.php/caatinga/oaipatricio@ufersa.edu.br|| caatinga@ufersa.edu.br1983-21250100-316Xopendoar:2024-04-29T09:46:44.289054Revista Caatinga - Universidade Federal Rural do Semi-Árido (UFERSA)true |
dc.title.none.fl_str_mv |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA PATOGENICIDADE DE ESPÉCIES DE Macrophomina COLETADAS DE PLANTAS DANINHAS EM FEIJÃO-CAUPI |
title |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA |
spellingShingle |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA Sales Júnior, Rui Boerhavia diffusa. Inoculação. Patógeno habitante do solo. Trianthema portulacastrum. Vigna unguiculata. Boerhavia diffusa. Inoculation. Soil-borne pathogen. Trianthema portulacastrum. Vigna unguiculata. |
title_short |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA |
title_full |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA |
title_fullStr |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA |
title_full_unstemmed |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA |
title_sort |
PATHOGENICITY OF Macrophomina SPECIES COLLECTED FROM WEEDS IN COWPEA |
author |
Sales Júnior, Rui |
author_facet |
Sales Júnior, Rui Silva Neto, Alfredo Nogueira da Negreiros, Andreia Mitsa Paiva Gomes, Thomas Rauan Rodrigues Ambrósio, Marcia Michelle de Queiroz Armengol, Josep |
author_role |
author |
author2 |
Silva Neto, Alfredo Nogueira da Negreiros, Andreia Mitsa Paiva Gomes, Thomas Rauan Rodrigues Ambrósio, Marcia Michelle de Queiroz Armengol, Josep |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Sales Júnior, Rui Silva Neto, Alfredo Nogueira da Negreiros, Andreia Mitsa Paiva Gomes, Thomas Rauan Rodrigues Ambrósio, Marcia Michelle de Queiroz Armengol, Josep |
dc.subject.por.fl_str_mv |
Boerhavia diffusa. Inoculação. Patógeno habitante do solo. Trianthema portulacastrum. Vigna unguiculata. Boerhavia diffusa. Inoculation. Soil-borne pathogen. Trianthema portulacastrum. Vigna unguiculata. |
topic |
Boerhavia diffusa. Inoculação. Patógeno habitante do solo. Trianthema portulacastrum. Vigna unguiculata. Boerhavia diffusa. Inoculation. Soil-borne pathogen. Trianthema portulacastrum. Vigna unguiculata. |
description |
Charcoal rot caused by Macrophomina phaseolina is a major cowpea disease causing substantial losses to growers. In the semi-arid region of Brazil, cowpea is one of the most widely used alternatives for crop rotation during the off-season of melon. This favors Macrophomina multiplication because both crops are hosts of this pathogen. The objective of this study was to verify the pathogenicity of Macrophomina phaseolina and M. pseudophaseolina on cowpea. The Macrophomina spp. isolates used were obtained from the roots of Trianthema portulacastrum and Boerhavia diffusa, weed species prevalent in melon production areas in North-east Brazilian. The experiment was carried out in a greenhouse. Cowpea plants cv. ‘Paulistinha’ were inoculated with 30 M. phaseolina isolates, 30 M. pseudophaseolina isolates and a reference isolate of M. phaseolina obtained from cowpea roots. All Macrophomina isolates were able to cause disease on cowpea and there were no statistical differences between both Macrophomina species regarding disease incidence and severity. Moreover, 65.2 and 100.0% of the M. phaseolina isolates, and 56.2 and 92.8% of the M. pseudophaseolina isolates, obtained from T. portulacastrum and B. diffusa, respectively, were as severe to cowpea as the M. phaseolina reference isolate from cowpea. These results emphasize the need to establish management practices aiming to control T. portucalastrum and B. diffusa from cowpea production areas, as they can act as potential sources of inoculum and survival for Macrophomina spp. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-05-22 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufersa.edu.br/caatinga/article/view/8989 10.1590/1983-21252020v33n212rc |
url |
https://periodicos.ufersa.edu.br/caatinga/article/view/8989 |
identifier_str_mv |
10.1590/1983-21252020v33n212rc |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.ufersa.edu.br/caatinga/article/view/8989/10208 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2020 Revista Caatinga info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2020 Revista Caatinga |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal Rural do Semi-Árido |
publisher.none.fl_str_mv |
Universidade Federal Rural do Semi-Árido |
dc.source.none.fl_str_mv |
REVISTA CAATINGA; Vol. 33 No. 2 (2020); 395-401 Revista Caatinga; v. 33 n. 2 (2020); 395-401 1983-2125 0100-316X reponame:Revista Caatinga instname:Universidade Federal Rural do Semi-Árido (UFERSA) instacron:UFERSA |
instname_str |
Universidade Federal Rural do Semi-Árido (UFERSA) |
instacron_str |
UFERSA |
institution |
UFERSA |
reponame_str |
Revista Caatinga |
collection |
Revista Caatinga |
repository.name.fl_str_mv |
Revista Caatinga - Universidade Federal Rural do Semi-Árido (UFERSA) |
repository.mail.fl_str_mv |
patricio@ufersa.edu.br|| caatinga@ufersa.edu.br |
_version_ |
1797674028298665984 |