Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress

Detalhes bibliográficos
Autor(a) principal: Viana, Mariana Thereza Rodrigues
Data de Publicação: 2021
Outros Autores: Azevedo, Harianna Paula Alves de, Pereira, Fernanda Aparecida Castro, Carvalho, Milene Alves de Figueiredo, Guimarães, Rubens José
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFLA
DOI: 10.25186/.v16i.1949.
Texto Completo: http://repositorio.ufla.br/jspui/handle/1/50465
Resumo: The identification of morphophysiological traits responsible for a better plant behavior when infected is useful for cultivar selection, and become crucial for breeding. We investigated the morphophysiological behavior of coffee genotypes before and after inoculation with the pathogen Hemileia vastatrix, causal agent of coffee rust. With multivariate techniques we identified the characteristics that most contribute to total genetic divergence of the genotypes. Ten genotypes of Coffea arabica from the Germplasm Bank of Coffee from Minas Gerais were sown in a nursery and then take to a greenhouse with controlled temperature and humidity. After one month of acclimatization, the artificial inoculation with the fungus H. vastatrix was carried out. The anatomical and physiological evaluations were performed 1 day before inoculation and 160 days after inoculation. When the first symptom emerged, plants were evaluated according to a descriptive scale for coffee rust. We observed significant differences in rust severity and ostiole opening between genotypes. Different groups were formed by the K-means method, based on morphophysiological characteristics. This shows that genetic variability exists between the coffee genotypes evaluated before and after inoculation with the pathogen. The most important characteristics that contributed to the total genetic divergence were xylem vessel diameter and stomatal conductance. In conclusion, inoculation with H. vastatrix caused a change in coffee genotypes based on morphophysiological characteristics.
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spelling Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stressCoffee - Leaf rustCoffea arabicaCoffee - Canonical variablesHemileia vastatrixCafeeiro - FerrugemCafé - Variáveis canônicasThe identification of morphophysiological traits responsible for a better plant behavior when infected is useful for cultivar selection, and become crucial for breeding. We investigated the morphophysiological behavior of coffee genotypes before and after inoculation with the pathogen Hemileia vastatrix, causal agent of coffee rust. With multivariate techniques we identified the characteristics that most contribute to total genetic divergence of the genotypes. Ten genotypes of Coffea arabica from the Germplasm Bank of Coffee from Minas Gerais were sown in a nursery and then take to a greenhouse with controlled temperature and humidity. After one month of acclimatization, the artificial inoculation with the fungus H. vastatrix was carried out. The anatomical and physiological evaluations were performed 1 day before inoculation and 160 days after inoculation. When the first symptom emerged, plants were evaluated according to a descriptive scale for coffee rust. We observed significant differences in rust severity and ostiole opening between genotypes. Different groups were formed by the K-means method, based on morphophysiological characteristics. This shows that genetic variability exists between the coffee genotypes evaluated before and after inoculation with the pathogen. The most important characteristics that contributed to the total genetic divergence were xylem vessel diameter and stomatal conductance. In conclusion, inoculation with H. vastatrix caused a change in coffee genotypes based on morphophysiological characteristics.Universidade Federal de Lavras2022-07-04T20:38:14Z2022-07-04T20:38:14Z2021info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfVIANA, M. T. R. et al. Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress. Coffee Science, Lavras, v. 16, e161949, 2021. DOI: 10.25186/.v16i.1949.http://repositorio.ufla.br/jspui/handle/1/50465Coffee Sciencereponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessViana, Mariana Thereza RodriguesAzevedo, Harianna Paula Alves dePereira, Fernanda Aparecida CastroCarvalho, Milene Alves de FigueiredoGuimarães, Rubens Joséeng2022-07-04T20:38:14Zoai:localhost:1/50465Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2022-07-04T20:38:14Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false
dc.title.none.fl_str_mv Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
title Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
spellingShingle Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
Viana, Mariana Thereza Rodrigues
Coffee - Leaf rust
Coffea arabica
Coffee - Canonical variables
Hemileia vastatrix
Cafeeiro - Ferrugem
Café - Variáveis canônicas
Viana, Mariana Thereza Rodrigues
Coffee - Leaf rust
Coffea arabica
Coffee - Canonical variables
Hemileia vastatrix
Cafeeiro - Ferrugem
Café - Variáveis canônicas
title_short Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
title_full Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
title_fullStr Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
title_full_unstemmed Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
title_sort Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress
author Viana, Mariana Thereza Rodrigues
author_facet Viana, Mariana Thereza Rodrigues
Viana, Mariana Thereza Rodrigues
Azevedo, Harianna Paula Alves de
Pereira, Fernanda Aparecida Castro
Carvalho, Milene Alves de Figueiredo
Guimarães, Rubens José
Azevedo, Harianna Paula Alves de
Pereira, Fernanda Aparecida Castro
Carvalho, Milene Alves de Figueiredo
Guimarães, Rubens José
author_role author
author2 Azevedo, Harianna Paula Alves de
Pereira, Fernanda Aparecida Castro
Carvalho, Milene Alves de Figueiredo
Guimarães, Rubens José
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Viana, Mariana Thereza Rodrigues
Azevedo, Harianna Paula Alves de
Pereira, Fernanda Aparecida Castro
Carvalho, Milene Alves de Figueiredo
Guimarães, Rubens José
dc.subject.por.fl_str_mv Coffee - Leaf rust
Coffea arabica
Coffee - Canonical variables
Hemileia vastatrix
Cafeeiro - Ferrugem
Café - Variáveis canônicas
topic Coffee - Leaf rust
Coffea arabica
Coffee - Canonical variables
Hemileia vastatrix
Cafeeiro - Ferrugem
Café - Variáveis canônicas
description The identification of morphophysiological traits responsible for a better plant behavior when infected is useful for cultivar selection, and become crucial for breeding. We investigated the morphophysiological behavior of coffee genotypes before and after inoculation with the pathogen Hemileia vastatrix, causal agent of coffee rust. With multivariate techniques we identified the characteristics that most contribute to total genetic divergence of the genotypes. Ten genotypes of Coffea arabica from the Germplasm Bank of Coffee from Minas Gerais were sown in a nursery and then take to a greenhouse with controlled temperature and humidity. After one month of acclimatization, the artificial inoculation with the fungus H. vastatrix was carried out. The anatomical and physiological evaluations were performed 1 day before inoculation and 160 days after inoculation. When the first symptom emerged, plants were evaluated according to a descriptive scale for coffee rust. We observed significant differences in rust severity and ostiole opening between genotypes. Different groups were formed by the K-means method, based on morphophysiological characteristics. This shows that genetic variability exists between the coffee genotypes evaluated before and after inoculation with the pathogen. The most important characteristics that contributed to the total genetic divergence were xylem vessel diameter and stomatal conductance. In conclusion, inoculation with H. vastatrix caused a change in coffee genotypes based on morphophysiological characteristics.
publishDate 2021
dc.date.none.fl_str_mv 2021
2022-07-04T20:38:14Z
2022-07-04T20:38:14Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv VIANA, M. T. R. et al. Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress. Coffee Science, Lavras, v. 16, e161949, 2021. DOI: 10.25186/.v16i.1949.
http://repositorio.ufla.br/jspui/handle/1/50465
identifier_str_mv VIANA, M. T. R. et al. Coffee genotypes morphophysiological adaptation under coffee leaf rust biotic stress. Coffee Science, Lavras, v. 16, e161949, 2021. DOI: 10.25186/.v16i.1949.
url http://repositorio.ufla.br/jspui/handle/1/50465
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Lavras
publisher.none.fl_str_mv Universidade Federal de Lavras
dc.source.none.fl_str_mv Coffee Science
reponame:Repositório Institucional da UFLA
instname:Universidade Federal de Lavras (UFLA)
instacron:UFLA
instname_str Universidade Federal de Lavras (UFLA)
instacron_str UFLA
institution UFLA
reponame_str Repositório Institucional da UFLA
collection Repositório Institucional da UFLA
repository.name.fl_str_mv Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)
repository.mail.fl_str_mv nivaldo@ufla.br || repositorio.biblioteca@ufla.br
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dc.identifier.doi.none.fl_str_mv 10.25186/.v16i.1949.