Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars
The main diseases that affect coffee production worldwide are coffee leaf rust (CLR) and coffee berry disease (CBD), caused by fungi <i>Hemileia vastatrix</i> and <i>Colletotrichum kahawae,</i> respectively. The identification of cultivars with stacking resistance genes is of...
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2025-01-01
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| author | Eduardo Granados Brenes Laércio Zambolim Dênia Pires de Almeida Poliane Marcele Ribeiro Bruna Lopes Mariz Eveline Teixeira Caixeta |
| author_facet | Eduardo Granados Brenes Laércio Zambolim Dênia Pires de Almeida Poliane Marcele Ribeiro Bruna Lopes Mariz Eveline Teixeira Caixeta |
| author_sort | Eduardo Granados Brenes |
| collection | DOAJ |
| description | The main diseases that affect coffee production worldwide are coffee leaf rust (CLR) and coffee berry disease (CBD), caused by fungi <i>Hemileia vastatrix</i> and <i>Colletotrichum kahawae,</i> respectively. The identification of cultivars with stacking resistance genes is of paramount importance for the control of these diseases. This work aimed to profile the phenotypic and genetic resistance of 160 genotypes belonging to 36 commercial coffee cultivars from five Central American countries regarding resistance to races II and XXXIII of <i>H. vastatrix</i> through phenotypic evaluation and evaluations associated with the genetic loci of resistance to CLR and CBD by molecular markers. Of the 160 genotypes from Central America evaluated, 26.25% presented genes stacked to the three loci of resistance to CLR and the locus of resistance to CBD, and resistance to races II and XXXIII when inoculated with urediniospores. In addition, 14 genotypes were identified with the presence of the <i>S<sub>H</sub>3</i> gene, whose resistance has not yet been broken. This work revealed errors in passport data or hybridizations in cultivars and even possible resistance breakdown in the Catimor genetic group. These results are essential to the search for strategies in coffee genetic breeding programs. |
| format | Article |
| id | doaj-art-639666d7774a4eb4834a864f5915efbf |
| institution | Kabale University |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj-art-639666d7774a4eb4834a864f5915efbf2025-01-24T13:17:16ZengMDPI AGAgronomy2073-43952025-01-0115123010.3390/agronomy15010230Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee CultivarsEduardo Granados Brenes0Laércio Zambolim1Dênia Pires de Almeida2Poliane Marcele Ribeiro3Bruna Lopes Mariz4Eveline Teixeira Caixeta5Department of Phytopathology, University of Costa Rica, Sede del Atlantico, Turrialba 30501, Costa RicaInstitute of Biotechnology Applied to Agriculture, Biocafé, Federal University of Viçosa, Viçosa 36570-900, MG, BrazilInstitute of Biotechnology Applied to Agriculture, Biocafé, Federal University of Viçosa, Viçosa 36570-900, MG, BrazilEMATER—Technical Assistance and Rural Extension Company—Regional, Viçosa 36570-900, MG, BrazilInstitute of Biotechnology Applied to Agriculture, Biocafé, Federal University of Viçosa, Viçosa 36570-900, MG, BrazilInstitute of Biotechnology Applied to Agriculture, Biocafé, Federal University of Viçosa, Viçosa 36570-900, MG, BrazilThe main diseases that affect coffee production worldwide are coffee leaf rust (CLR) and coffee berry disease (CBD), caused by fungi <i>Hemileia vastatrix</i> and <i>Colletotrichum kahawae,</i> respectively. The identification of cultivars with stacking resistance genes is of paramount importance for the control of these diseases. This work aimed to profile the phenotypic and genetic resistance of 160 genotypes belonging to 36 commercial coffee cultivars from five Central American countries regarding resistance to races II and XXXIII of <i>H. vastatrix</i> through phenotypic evaluation and evaluations associated with the genetic loci of resistance to CLR and CBD by molecular markers. Of the 160 genotypes from Central America evaluated, 26.25% presented genes stacked to the three loci of resistance to CLR and the locus of resistance to CBD, and resistance to races II and XXXIII when inoculated with urediniospores. In addition, 14 genotypes were identified with the presence of the <i>S<sub>H</sub>3</i> gene, whose resistance has not yet been broken. This work revealed errors in passport data or hybridizations in cultivars and even possible resistance breakdown in the Catimor genetic group. These results are essential to the search for strategies in coffee genetic breeding programs.https://www.mdpi.com/2073-4395/15/1/230<i>Coffea arabica</i>multiple resistancepyramided genemolecular markers |
| spellingShingle | Eduardo Granados Brenes Laércio Zambolim Dênia Pires de Almeida Poliane Marcele Ribeiro Bruna Lopes Mariz Eveline Teixeira Caixeta Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars Agronomy <i>Coffea arabica</i> multiple resistance pyramided gene molecular markers |
| title | Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars |
| title_full | Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars |
| title_fullStr | Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars |
| title_full_unstemmed | Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars |
| title_short | Assisted Stacking of Fungal Disease Resistance Genes in Central American Coffee Cultivars |
| title_sort | assisted stacking of fungal disease resistance genes in central american coffee cultivars |
| topic | <i>Coffea arabica</i> multiple resistance pyramided gene molecular markers |
| url | https://www.mdpi.com/2073-4395/15/1/230 |
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