Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix)
IntroductionCoffee leaf rust (CLR), caused by the obligate parasitic fungus Hemileia vastatrix, is the most significant constraint in Arabica coffee production worldwide. The disease is ubiquitous, and in severe infections, it can lead to defoliation of coffee plants, impacting yield and quality. Th...
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2025-06-01
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| author | Jorge C. Berny Mier y Teran Solene Pruvot-Woehl Solene Pruvot-Woehl Catherine Maina Santos Barrera James Mwita Gimase Brahim Banda Albertino Meza Nathan Aliel Kachiguma Nathan Aliel Kachiguma Elijah K. Gichuru Julio Alvarado Julio Alvarado Suresh Kumar Jonny Alonso Castillo Beatriz Moreno Lopez Ariana Karina Román Ruíz Ari Wibowo Never Mwatsiya Jeena Devasia Divya Kallingapuram Das Edgardo Alpizar Melanie Bordeaux Miftahur Rizqi Akbar Piet van Asten Jean Baptiste Kayigamba Paul Mulemangabo Godfrey Sseremba Benit Mate Hans Alexander Méndez Mendoza Simon Martin Mvuyekure Simon Martin Mvuyekure Jane Jerono Cheserek Rosalío López Morgado Chemutai Job Alunga Nayani Suryprakash Rao Samson Tarusenga Tania Humphrey Christophe Montagnon |
| author_facet | Jorge C. Berny Mier y Teran Solene Pruvot-Woehl Solene Pruvot-Woehl Catherine Maina Santos Barrera James Mwita Gimase Brahim Banda Albertino Meza Nathan Aliel Kachiguma Nathan Aliel Kachiguma Elijah K. Gichuru Julio Alvarado Julio Alvarado Suresh Kumar Jonny Alonso Castillo Beatriz Moreno Lopez Ariana Karina Román Ruíz Ari Wibowo Never Mwatsiya Jeena Devasia Divya Kallingapuram Das Edgardo Alpizar Melanie Bordeaux Miftahur Rizqi Akbar Piet van Asten Jean Baptiste Kayigamba Paul Mulemangabo Godfrey Sseremba Benit Mate Hans Alexander Méndez Mendoza Simon Martin Mvuyekure Simon Martin Mvuyekure Jane Jerono Cheserek Rosalío López Morgado Chemutai Job Alunga Nayani Suryprakash Rao Samson Tarusenga Tania Humphrey Christophe Montagnon |
| author_sort | Jorge C. Berny Mier y Teran |
| collection | DOAJ |
| description | IntroductionCoffee leaf rust (CLR), caused by the obligate parasitic fungus Hemileia vastatrix, is the most significant constraint in Arabica coffee production worldwide. The disease is ubiquitous, and in severe infections, it can lead to defoliation of coffee plants, impacting yield and quality. The use of resistant varieties is the most cost-effective and sustainable strategy for managing coffee leaf rust. Identifying highly resistant varieties, as well as environments where these varieties perform similarly, is a crucial step in breeding programs.MethodsAn international, multi-institutional effort involved the evaluation of 29 varieties, developed by different breeding programs in coffee-producing countries across the globe, for CLR severity under field conditions at 23 sites in Africa, Asia, and Latin America.ResultsThe results showed that both the genotype and genotype-by-site interaction were highly significant, indicating that resistance to coffee leaf rust depends not only on the genetic makeup but also varies between sites. In general, varieties with interspecific introgressions were more resistant than the nonintrogressed pure Arabicas. Although stability and overall resistance were correlated, some of the most resistant varieties were not the most stable. Four mega-environments were identified, and sites that were better at discriminating for resistance were found across the three continents.DiscussionOverall, this multi-institutional cooperation led to the identification of both locally and globally highly resistant coffee leaf rust varieties, as well as an understanding of their underlying genetics and the further causes of genotype-by-environment interactions concerning coffee leaf rust resistance. |
| format | Article |
| id | doaj-art-7781dddcacd046d68aa7f38901833529 |
| institution | Kabale University |
| issn | 1664-462X |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Plant Science |
| spelling | doaj-art-7781dddcacd046d68aa7f389018335292025-08-20T03:25:42ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2025-06-011610.3389/fpls.2025.15835951583595Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix)Jorge C. Berny Mier y Teran0Solene Pruvot-Woehl1Solene Pruvot-Woehl2Catherine Maina3Santos Barrera4James Mwita Gimase5Brahim Banda6Albertino Meza7Nathan Aliel Kachiguma8Nathan Aliel Kachiguma9Elijah K. Gichuru10Julio Alvarado11Julio Alvarado12Suresh Kumar13Jonny Alonso Castillo14Beatriz Moreno Lopez15Ariana Karina Román Ruíz16Ari Wibowo17Never Mwatsiya18Jeena Devasia19Divya Kallingapuram Das20Edgardo Alpizar21Melanie Bordeaux22Miftahur Rizqi Akbar23Piet van Asten24Jean Baptiste Kayigamba25Paul Mulemangabo26Godfrey Sseremba27Benit Mate28Hans Alexander Méndez Mendoza29Simon Martin Mvuyekure30Simon Martin Mvuyekure31Jane Jerono Cheserek32Rosalío López Morgado33Chemutai Job Alunga34Nayani Suryprakash Rao35Samson Tarusenga36Tania Humphrey37Christophe Montagnon38World Coffee Research, Portland, OR, United StatesWorld Coffee Research, Portland, OR, United StatesTechnoServe, Arlington, VA, United StatesWorld Coffee Research, Portland, OR, United StatesWorld Coffee Research, Portland, OR, United StatesKenya Agricultural & Livestock Research Organisation, Nairobi, KenyaOLAM, Kateshi site, ZambiaCooperativa CENFROCAFE, Jaen, Cajarmarca, PeruECOM, Managua, NicaraguaDepartment of Agricultural Research Services, Mzuzu, MalawiKenya Agricultural & Livestock Research Organisation, Nairobi, KenyaWorld Coffee Research, Portland, OR, United StatesCentral Coffee Research Institute, Chikmagalur, Karnataka, IndiaAGROLAV, Santa Ana, El Salvador0Fundación NicaFrance, Finca La Cumplida, Matagalpa, Nicaragua1Asociación Nacional del Café, Ciudad de Guatemala, Guatemala2El Colegio de la Frontera Sur, Tapachula, Chiapas, Mexico3Indonesian Coffee and Cocoa Research Institute, Jember, Indonesia4Coffee Research Institute, Chipinge, ZimbabweCentral Coffee Research Institute, Chikmagalur, Karnataka, IndiaCentral Coffee Research Institute, Chikmagalur, Karnataka, IndiaECOM, Managua, Nicaragua0Fundación NicaFrance, Finca La Cumplida, Matagalpa, Nicaragua3Indonesian Coffee and Cocoa Research Institute, Jember, Indonesia5OLAM, Paksong site, Paksong, Lao People's Democratic RepublicWorld Coffee Research, Portland, OR, United States6National Institute for Agronomic Study of the Belgian Congo, Mulungu, Democratic Republic of Congo7National Coffee Resources Research Institute, Mpoma, Uganda6National Institute for Agronomic Study of the Belgian Congo, Mulungu, Democratic Republic of Congo8Café Finca Mountain Villa Rica, Chanchamayo, PeruWorld Coffee Research, Portland, OR, United States9Rwanda Agriculture Board, Huye, RwandaKenya Agricultural & Livestock Research Organisation, Nairobi, Kenya0Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias, Campo Experimental Cotaxtla, Veracruz, Mexico7National Coffee Resources Research Institute, Mpoma, UgandaCentral Coffee Research Institute, Chikmagalur, Karnataka, India4Coffee Research Institute, Chipinge, ZimbabweWorld Coffee Research, Portland, OR, United States1RD2 Vision, Valflaunes, FranceIntroductionCoffee leaf rust (CLR), caused by the obligate parasitic fungus Hemileia vastatrix, is the most significant constraint in Arabica coffee production worldwide. The disease is ubiquitous, and in severe infections, it can lead to defoliation of coffee plants, impacting yield and quality. The use of resistant varieties is the most cost-effective and sustainable strategy for managing coffee leaf rust. Identifying highly resistant varieties, as well as environments where these varieties perform similarly, is a crucial step in breeding programs.MethodsAn international, multi-institutional effort involved the evaluation of 29 varieties, developed by different breeding programs in coffee-producing countries across the globe, for CLR severity under field conditions at 23 sites in Africa, Asia, and Latin America.ResultsThe results showed that both the genotype and genotype-by-site interaction were highly significant, indicating that resistance to coffee leaf rust depends not only on the genetic makeup but also varies between sites. In general, varieties with interspecific introgressions were more resistant than the nonintrogressed pure Arabicas. Although stability and overall resistance were correlated, some of the most resistant varieties were not the most stable. Four mega-environments were identified, and sites that were better at discriminating for resistance were found across the three continents.DiscussionOverall, this multi-institutional cooperation led to the identification of both locally and globally highly resistant coffee leaf rust varieties, as well as an understanding of their underlying genetics and the further causes of genotype-by-environment interactions concerning coffee leaf rust resistance.https://www.frontiersin.org/articles/10.3389/fpls.2025.1583595/fullCoffea arabicacoffee leaf rustresistancemulti-location trialgenotype by environment |
| spellingShingle | Jorge C. Berny Mier y Teran Solene Pruvot-Woehl Solene Pruvot-Woehl Catherine Maina Santos Barrera James Mwita Gimase Brahim Banda Albertino Meza Nathan Aliel Kachiguma Nathan Aliel Kachiguma Elijah K. Gichuru Julio Alvarado Julio Alvarado Suresh Kumar Jonny Alonso Castillo Beatriz Moreno Lopez Ariana Karina Román Ruíz Ari Wibowo Never Mwatsiya Jeena Devasia Divya Kallingapuram Das Edgardo Alpizar Melanie Bordeaux Miftahur Rizqi Akbar Piet van Asten Jean Baptiste Kayigamba Paul Mulemangabo Godfrey Sseremba Benit Mate Hans Alexander Méndez Mendoza Simon Martin Mvuyekure Simon Martin Mvuyekure Jane Jerono Cheserek Rosalío López Morgado Chemutai Job Alunga Nayani Suryprakash Rao Samson Tarusenga Tania Humphrey Christophe Montagnon Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix) Frontiers in Plant Science Coffea arabica coffee leaf rust resistance multi-location trial genotype by environment |
| title | Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix) |
| title_full | Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix) |
| title_fullStr | Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix) |
| title_full_unstemmed | Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix) |
| title_short | Global Coffea arabica variety trials reveal genotype-by-environment interactions in resistance to coffee leaf rust (Hemileia vastatrix) |
| title_sort | global coffea arabica variety trials reveal genotype by environment interactions in resistance to coffee leaf rust hemileia vastatrix |
| topic | Coffea arabica coffee leaf rust resistance multi-location trial genotype by environment |
| url | https://www.frontiersin.org/articles/10.3389/fpls.2025.1583595/full |
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