Drought tolerance in seedlings of coffee genotypes carrying genes of different species
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Coffee Science (Online) |
Texto Completo: | https://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175 |
Resumo: | Drought is one of the limiting factors to Arabica coffee crop and tolerance sources exist in different Coffea spp. species. The aim of this research was to evaluate the drought tolerance in seedlings of 21 coffee genotypes, carrying genes of different species, by wilting degree analysis of seedling leaves subjected to a period of hydric restriction. The experimental design was completely randomized with 24 replicates, with one seedling of six months per plot. The experiment was carried out in a greenhouse at the Instituto Agronômico do Paraná (IAPAR) in Londrina, Paraná, Brazil. Two evaluations were performed using a leaf wilting index, in the range of grades from 1 to 9, that were performed, in both evaluations, six days after the drought restriction began. Assessments of the intensity of wilt in seedlings allowed to discriminate genotypes with tolerance to drought. The most tolerant genotype to drought was IAPAR 11260 a Coffea arabica (carrier of Coffea racemosa genes), followed by Coffea arabica Ethiopia E368, ‘IPR 100’ (carrier of Coffea liberica genes) and ‘IPR 103’ (carrier of Coffea canephora genes). Coffea canephora cv. ‘Apoatã IAC 2258’ was the most sensitive compared with all Coffea arabica genotypes. |
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Drought tolerance in seedlings of coffee genotypes carrying genes of different speciesTolerância ao déficit hídrico em mudas de genótipos de café portadores de genes de diferentes espéciesCoffea racemosaCoffea libericadroughtcoffee from EthiopiabreedingCoffea racemosaCoffea libericacafeeiro da Etiópiamelhoramento genéticoDrought is one of the limiting factors to Arabica coffee crop and tolerance sources exist in different Coffea spp. species. The aim of this research was to evaluate the drought tolerance in seedlings of 21 coffee genotypes, carrying genes of different species, by wilting degree analysis of seedling leaves subjected to a period of hydric restriction. The experimental design was completely randomized with 24 replicates, with one seedling of six months per plot. The experiment was carried out in a greenhouse at the Instituto Agronômico do Paraná (IAPAR) in Londrina, Paraná, Brazil. Two evaluations were performed using a leaf wilting index, in the range of grades from 1 to 9, that were performed, in both evaluations, six days after the drought restriction began. Assessments of the intensity of wilt in seedlings allowed to discriminate genotypes with tolerance to drought. The most tolerant genotype to drought was IAPAR 11260 a Coffea arabica (carrier of Coffea racemosa genes), followed by Coffea arabica Ethiopia E368, ‘IPR 100’ (carrier of Coffea liberica genes) and ‘IPR 103’ (carrier of Coffea canephora genes). Coffea canephora cv. ‘Apoatã IAC 2258’ was the most sensitive compared with all Coffea arabica genotypes.A seca é um dos fatores limitantes ao desenvolvimento dos cafeeiros arábicos e fontes de tolerância existem nas diferentes espécies de Coffea spp. O objetivo neste trabalho foi avaliar a tolerância à seca em mudas de 21 genótipos de café, portadores de genes de diferentes espécies, por meio da avaliação do grau de murchamento de suas folhas quando submetidas a períodos de restrição hídrica. O delineamento experimental foi inteiramente ao acaso, com 24 repetições de uma muda de seis meses de idade por parcela. O experimento foi conduzido em casa de vegetação no Instituto Agronômico do Paraná (IAPAR) em Londrina, Paraná, Brasil. Foram efetuadas duas avaliações visuais, por um índice de murcha das folhas, com notas de 1 a 9, seis dias após o início da restrição hídrica. As avaliações visuais quanto à intensidade de murcha em mudas permitiram discriminar satisfatoriamente genótipos com maior tolerância à seca. O genótipo mais tolerante à seca foi IAPAR 11260, um Coffea arabica (portador de genes de Coffea racemosa), seguido de Coffea arabica da Etiópia E368, ‘IPR 100’ (portador de genes de Coffea liberica) e ‘IPR 103’ (portador de genes de Coffea canephora). O Coffea canephora cv. ‘Apoatã IAC 2258’ foi mais sensível à seca do que todos os genótipos de Coffea arabica.Editora UFLA2017-06-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfapplication/mswordhttps://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175Coffee Science - ISSN 1984-3909; Vol. 12 No. 2 (2017); 156-163Coffee Science; Vol. 12 Núm. 2 (2017); 156-163Coffee Science; v. 12 n. 2 (2017); 156-1631984-3909reponame:Coffee Science (Online)instname:Universidade Federal de Lavras (UFLA)instacron:UFLAporhttps://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175/pdf_1175_2https://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175/1654Copyright (c) 2017 Coffee Science - ISSN 1984-3909https://creativecommons.org/info:eu-repo/semantics/openAccessCarvalho, Filipe GimenezSera, Gustavo HiroshiAndreazi, ElderSera, TumoruFonseca, Inês Cristina de BatistaCarducci, Fernando CesarShigueoka, Luciana HarumiHolderbaum, Melina MarquesCosta, Kamila Carmezini2017-06-06T13:20:28Zoai:coffeescience.ufla.br:article/1175Revistahttps://coffeescience.ufla.br/index.php/CoffeesciencePUBhttps://coffeescience.ufla.br/index.php/Coffeescience/oaicoffeescience@dag.ufla.br||coffeescience@dag.ufla.br|| alvaro-cozadi@hotmail.com1984-39091809-6875opendoar:2024-05-21T19:53:58.665639Coffee Science (Online) - Universidade Federal de Lavras (UFLA)true |
dc.title.none.fl_str_mv |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species Tolerância ao déficit hídrico em mudas de genótipos de café portadores de genes de diferentes espécies |
title |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species |
spellingShingle |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species Carvalho, Filipe Gimenez Coffea racemosa Coffea liberica drought coffee from Ethiopia breeding Coffea racemosa Coffea liberica cafeeiro da Etiópia melhoramento genético |
title_short |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species |
title_full |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species |
title_fullStr |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species |
title_full_unstemmed |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species |
title_sort |
Drought tolerance in seedlings of coffee genotypes carrying genes of different species |
author |
Carvalho, Filipe Gimenez |
author_facet |
Carvalho, Filipe Gimenez Sera, Gustavo Hiroshi Andreazi, Elder Sera, Tumoru Fonseca, Inês Cristina de Batista Carducci, Fernando Cesar Shigueoka, Luciana Harumi Holderbaum, Melina Marques Costa, Kamila Carmezini |
author_role |
author |
author2 |
Sera, Gustavo Hiroshi Andreazi, Elder Sera, Tumoru Fonseca, Inês Cristina de Batista Carducci, Fernando Cesar Shigueoka, Luciana Harumi Holderbaum, Melina Marques Costa, Kamila Carmezini |
author2_role |
author author author author author author author author |
dc.contributor.author.fl_str_mv |
Carvalho, Filipe Gimenez Sera, Gustavo Hiroshi Andreazi, Elder Sera, Tumoru Fonseca, Inês Cristina de Batista Carducci, Fernando Cesar Shigueoka, Luciana Harumi Holderbaum, Melina Marques Costa, Kamila Carmezini |
dc.subject.por.fl_str_mv |
Coffea racemosa Coffea liberica drought coffee from Ethiopia breeding Coffea racemosa Coffea liberica cafeeiro da Etiópia melhoramento genético |
topic |
Coffea racemosa Coffea liberica drought coffee from Ethiopia breeding Coffea racemosa Coffea liberica cafeeiro da Etiópia melhoramento genético |
description |
Drought is one of the limiting factors to Arabica coffee crop and tolerance sources exist in different Coffea spp. species. The aim of this research was to evaluate the drought tolerance in seedlings of 21 coffee genotypes, carrying genes of different species, by wilting degree analysis of seedling leaves subjected to a period of hydric restriction. The experimental design was completely randomized with 24 replicates, with one seedling of six months per plot. The experiment was carried out in a greenhouse at the Instituto Agronômico do Paraná (IAPAR) in Londrina, Paraná, Brazil. Two evaluations were performed using a leaf wilting index, in the range of grades from 1 to 9, that were performed, in both evaluations, six days after the drought restriction began. Assessments of the intensity of wilt in seedlings allowed to discriminate genotypes with tolerance to drought. The most tolerant genotype to drought was IAPAR 11260 a Coffea arabica (carrier of Coffea racemosa genes), followed by Coffea arabica Ethiopia E368, ‘IPR 100’ (carrier of Coffea liberica genes) and ‘IPR 103’ (carrier of Coffea canephora genes). Coffea canephora cv. ‘Apoatã IAC 2258’ was the most sensitive compared with all Coffea arabica genotypes. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-06-04 |
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://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175 |
url |
https://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175/pdf_1175_2 https://coffeescience.ufla.br/index.php/Coffeescience/article/view/1175/1654 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2017 Coffee Science - ISSN 1984-3909 https://creativecommons.org/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2017 Coffee Science - ISSN 1984-3909 https://creativecommons.org/ |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/msword |
dc.publisher.none.fl_str_mv |
Editora UFLA |
publisher.none.fl_str_mv |
Editora UFLA |
dc.source.none.fl_str_mv |
Coffee Science - ISSN 1984-3909; Vol. 12 No. 2 (2017); 156-163 Coffee Science; Vol. 12 Núm. 2 (2017); 156-163 Coffee Science; v. 12 n. 2 (2017); 156-163 1984-3909 reponame:Coffee Science (Online) instname:Universidade Federal de Lavras (UFLA) instacron:UFLA |
instname_str |
Universidade Federal de Lavras (UFLA) |
instacron_str |
UFLA |
institution |
UFLA |
reponame_str |
Coffee Science (Online) |
collection |
Coffee Science (Online) |
repository.name.fl_str_mv |
Coffee Science (Online) - Universidade Federal de Lavras (UFLA) |
repository.mail.fl_str_mv |
coffeescience@dag.ufla.br||coffeescience@dag.ufla.br|| alvaro-cozadi@hotmail.com |
_version_ |
1799874920960753664 |