Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3

Detalhes bibliográficos
Autor(a) principal: Freitas, Joelson Andre de
Data de Publicação: 2008
Outros Autores: Azevedo, Sebastião Márcio de, Maluf, Wilson Roberto, Gomes, Luiz Antônio Augusto, Silva, José Antonio Ribeiro da
Tipo de documento: Artigo
Idioma: por
Título da fonte: Acta Scientiarum. Agronomy (Online)
Texto Completo: http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2822
Resumo: This study was carried out to screen sweet pepper genotypes both resistant and homozygous to races 1 and 3 of Meloidogyne incognita; as well as to establish a criterion for characterization of resistant plants. The genotypes evaluated were: PIX-021E0818, PIX-021E0824, PIX-021E1232, PIX-021E1235, PIX-021E1540, PIX-021E1542, PIX-022E23 and PIX-023D09 (with Me1 or Me3 alleles to M. incognita resistance) and Linha 004, Agronômico-8, Ikeda and Magda (susceptible to nematodes) in two experiments, with one race each in a completely randomized design with 4 replicates and 16 plants per plot. Inoculation with nematodes was made at 30 eggs/cm3 of substrate proportion and the evaluation for number of root knots and egg masses, as well as egg masses index was performed 60 days after the inoculation. The resistant plant percentage was evaluated and no genotype showed complete homozygosity to Me1 or Me3 alleles. The genotypes PIX-021E1235, PIX-021E0818, PIX-022E23 and PIX-023D09 showed a high resistance to M. incognita races 1 and 3. The best criterion for characterization of resistant plants was number of egg masses
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spelling Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3Reação de progênies de pimentão à infecção por Meloidogyne incógnita, raças 1 e 3Capsicum annuumresistência genéticanematóides5.00.00.00-4 Ciências AgráriasThis study was carried out to screen sweet pepper genotypes both resistant and homozygous to races 1 and 3 of Meloidogyne incognita; as well as to establish a criterion for characterization of resistant plants. The genotypes evaluated were: PIX-021E0818, PIX-021E0824, PIX-021E1232, PIX-021E1235, PIX-021E1540, PIX-021E1542, PIX-022E23 and PIX-023D09 (with Me1 or Me3 alleles to M. incognita resistance) and Linha 004, Agronômico-8, Ikeda and Magda (susceptible to nematodes) in two experiments, with one race each in a completely randomized design with 4 replicates and 16 plants per plot. Inoculation with nematodes was made at 30 eggs/cm3 of substrate proportion and the evaluation for number of root knots and egg masses, as well as egg masses index was performed 60 days after the inoculation. The resistant plant percentage was evaluated and no genotype showed complete homozygosity to Me1 or Me3 alleles. The genotypes PIX-021E1235, PIX-021E0818, PIX-022E23 and PIX-023D09 showed a high resistance to M. incognita races 1 and 3. The best criterion for characterization of resistant plants was number of egg massesEste estudo foi realizado com os objetivos de avaliar a resistência de genótipos de pimentão aos nematóides Meloidogyne incognita (raças 1 e 3), bem como verificar a homozigosidade para resistência de alguns genótipos testados e estabelecer um melhor critério de classificação de plantas resistentes. Testaram-se os genótipos PIX-021E0818, PIX-021E0824, PIX-021E1232, PIX-021E1235, PIX-021E1540, PIX-021E1542, PIX-022E23 e PIX-023D09 (com alelos Me1 ou Me3 para resistência à M. incógnita) e Linha 004, Agronômico-8, Ikeda e Magda (susceptíveis aos nematóides), em dois experimentos (cada um com uma raça do nematóide). Cada experimento foi montado em delineamento inteiramente casualizado com 4 repetições e 16 plantas por parcela. As inoculações foram feitas na proporção de 30 ovos/cm3 de substrato, avaliando-se, 60 dias após, o número de galhas e massas de ovos no sistema radicular, a nota para massas de ovos, bem como a porcentagem de plantas resistentes na parcela. Nenhum dos genótipos testados mostrou completa homozigose para os alelos Me1 ou Me3, destacando-se, porém, PIX-021E1235, PIX-021E0818, PIX-022E23 e PIX-023D09 com maiores níveis de resistência às raças 1 e 3 de M. incógnita. Constatou-se, ainda, que o melhor critério para caracterização de uma planta resistente foi o número de massas de ovosUniversidade Estadual de Maringá2008-05-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/282210.4025/actasciagron.v22i0.2822Acta Scientiarum. Agronomy; Vol 22 (2000); 925-930Acta Scientiarum. Agronomy; v. 22 (2000); 925-9301807-86211679-9275reponame:Acta Scientiarum. Agronomy (Online)instname:Universidade Estadual de Maringá (UEM)instacron:UEMporhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2822/1955Freitas, Joelson Andre deAzevedo, Sebastião Márcio deMaluf, Wilson RobertoGomes, Luiz Antônio AugustoSilva, José Antonio Ribeiro dainfo:eu-repo/semantics/openAccess2022-11-23T18:37:54Zoai:periodicos.uem.br/ojs:article/2822Revistahttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgronPUBhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/oaiactaagron@uem.br||actaagron@uem.br|| edamasio@uem.br1807-86211679-9275opendoar:2022-11-23T18:37:54Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)false
dc.title.none.fl_str_mv Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
Reação de progênies de pimentão à infecção por Meloidogyne incógnita, raças 1 e 3
title Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
spellingShingle Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
Freitas, Joelson Andre de
Capsicum annuum
resistência genética
nematóides
5.00.00.00-4 Ciências Agrárias
title_short Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
title_full Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
title_fullStr Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
title_full_unstemmed Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
title_sort Response of sweet pepper progenies to Meloidogyne incognita races 1 and 3
author Freitas, Joelson Andre de
author_facet Freitas, Joelson Andre de
Azevedo, Sebastião Márcio de
Maluf, Wilson Roberto
Gomes, Luiz Antônio Augusto
Silva, José Antonio Ribeiro da
author_role author
author2 Azevedo, Sebastião Márcio de
Maluf, Wilson Roberto
Gomes, Luiz Antônio Augusto
Silva, José Antonio Ribeiro da
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Freitas, Joelson Andre de
Azevedo, Sebastião Márcio de
Maluf, Wilson Roberto
Gomes, Luiz Antônio Augusto
Silva, José Antonio Ribeiro da
dc.subject.por.fl_str_mv Capsicum annuum
resistência genética
nematóides
5.00.00.00-4 Ciências Agrárias
topic Capsicum annuum
resistência genética
nematóides
5.00.00.00-4 Ciências Agrárias
description This study was carried out to screen sweet pepper genotypes both resistant and homozygous to races 1 and 3 of Meloidogyne incognita; as well as to establish a criterion for characterization of resistant plants. The genotypes evaluated were: PIX-021E0818, PIX-021E0824, PIX-021E1232, PIX-021E1235, PIX-021E1540, PIX-021E1542, PIX-022E23 and PIX-023D09 (with Me1 or Me3 alleles to M. incognita resistance) and Linha 004, Agronômico-8, Ikeda and Magda (susceptible to nematodes) in two experiments, with one race each in a completely randomized design with 4 replicates and 16 plants per plot. Inoculation with nematodes was made at 30 eggs/cm3 of substrate proportion and the evaluation for number of root knots and egg masses, as well as egg masses index was performed 60 days after the inoculation. The resistant plant percentage was evaluated and no genotype showed complete homozygosity to Me1 or Me3 alleles. The genotypes PIX-021E1235, PIX-021E0818, PIX-022E23 and PIX-023D09 showed a high resistance to M. incognita races 1 and 3. The best criterion for characterization of resistant plants was number of egg masses
publishDate 2008
dc.date.none.fl_str_mv 2008-05-08
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 http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2822
10.4025/actasciagron.v22i0.2822
url http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2822
identifier_str_mv 10.4025/actasciagron.v22i0.2822
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv http://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2822/1955
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Estadual de Maringá
publisher.none.fl_str_mv Universidade Estadual de Maringá
dc.source.none.fl_str_mv Acta Scientiarum. Agronomy; Vol 22 (2000); 925-930
Acta Scientiarum. Agronomy; v. 22 (2000); 925-930
1807-8621
1679-9275
reponame:Acta Scientiarum. Agronomy (Online)
instname:Universidade Estadual de Maringá (UEM)
instacron:UEM
instname_str Universidade Estadual de Maringá (UEM)
instacron_str UEM
institution UEM
reponame_str Acta Scientiarum. Agronomy (Online)
collection Acta Scientiarum. Agronomy (Online)
repository.name.fl_str_mv Acta Scientiarum. Agronomy (Online) - Universidade Estadual de Maringá (UEM)
repository.mail.fl_str_mv actaagron@uem.br||actaagron@uem.br|| edamasio@uem.br
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