Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica
Interspecific grafting of Coffea arabica scions on C. canephora rootstock has been proposed as a strategy against nematode infestation, but also for cultivation of coffee under environmental stressors (such as temperature extremes). An agroforestry-like microclimate was established using artificial shade nets (30% light interception) across a multi-site elevation trial (from 1000 to 1450 m above sea level) in Costa Rica (Alajuela region). The effects of interspecific grafting of scions from modern C. arabica varieties ('Villa Sarchi' and an F1 hybrid called 'H3') onto C. canephora ('Nemaya') rootstock were tested under these conditions. The interactions between grafting, genotype and elevation were determined on the above- and below ground growth, agronomic traits, photosynthesis as well as bean and cup qualities. Variation in the protuberance of the graft union (trunk vs. below graft union collar diameters) were detected. However, no physical vascular blockages were observed in any of the interspecific grafted plants. Generally, interspecific grafting negatively affected most aerial and root traits as well bean yields for both 'H3' and 'Villa Sarchi' varieties compared to the non-grafted plants. A significant reduction in the photosynthesis of grafted 'H3' (in terms of Vcmax and ΦCO2max) was also observed. However, there were no impacts of grafting on the final bean attributes nor cup quality. Genetics of the scions largely determined coffee yields, with higher yields produced by 'H3' compared to 'Villa Sarchi'. The scion also controlled agronomic traits, bean qualities and belowground biomass (dry weight of taproot, secondary root mass and overall root system). This was observed when either C. arabica or C. canephora scion material was used. Increasing elevation significantly reduced the trunk, branches and shoot system, chlorophyll fluorescence parameters and other agronomic traits. However no significant interactions were found between grafting and elevation (within the range tested). Our results show how interspecific grafting of C. arabica onto C. canephora can reduce plant biomass and productivity under shade and across an elevational gradient, especially when the composite plant involves a vigorous and high yielding F1 hybrid.
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Subjects: | F02 - Multiplication végétative des plantes, F01 - Culture des plantes, Coffea arabica, http://aims.fao.org/aos/agrovoc/c_1721, http://aims.fao.org/aos/agrovoc/c_1920, |
Online Access: | http://agritrop.cirad.fr/604851/ http://agritrop.cirad.fr/604851/1/Koutouleas%20et%20al%20Scientia%20Horticulturae.pdf |
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dig-cirad-fr-6048512024-04-25T10:45:42Z http://agritrop.cirad.fr/604851/ http://agritrop.cirad.fr/604851/ Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica. Koutouleas Athina, Blunt Conor, Bregar Aljoša, Hansen Jon Kehlet, Ræbild Anders, Etienne Hervé, Georget Frederic. 2023. Scientia Horticulturae, 320:112162, 16 p.https://doi.org/10.1016/j.scienta.2023.112162 <https://doi.org/10.1016/j.scienta.2023.112162> Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica Koutouleas, Athina Blunt, Conor Bregar, Aljoša Hansen, Jon Kehlet Ræbild, Anders Etienne, Hervé Georget, Frederic eng 2023 Scientia Horticulturae F02 - Multiplication végétative des plantes F01 - Culture des plantes Coffea arabica http://aims.fao.org/aos/agrovoc/c_1721 Costa Rica http://aims.fao.org/aos/agrovoc/c_1920 Interspecific grafting of Coffea arabica scions on C. canephora rootstock has been proposed as a strategy against nematode infestation, but also for cultivation of coffee under environmental stressors (such as temperature extremes). An agroforestry-like microclimate was established using artificial shade nets (30% light interception) across a multi-site elevation trial (from 1000 to 1450 m above sea level) in Costa Rica (Alajuela region). The effects of interspecific grafting of scions from modern C. arabica varieties ('Villa Sarchi' and an F1 hybrid called 'H3') onto C. canephora ('Nemaya') rootstock were tested under these conditions. The interactions between grafting, genotype and elevation were determined on the above- and below ground growth, agronomic traits, photosynthesis as well as bean and cup qualities. Variation in the protuberance of the graft union (trunk vs. below graft union collar diameters) were detected. However, no physical vascular blockages were observed in any of the interspecific grafted plants. Generally, interspecific grafting negatively affected most aerial and root traits as well bean yields for both 'H3' and 'Villa Sarchi' varieties compared to the non-grafted plants. A significant reduction in the photosynthesis of grafted 'H3' (in terms of Vcmax and ΦCO2max) was also observed. However, there were no impacts of grafting on the final bean attributes nor cup quality. Genetics of the scions largely determined coffee yields, with higher yields produced by 'H3' compared to 'Villa Sarchi'. The scion also controlled agronomic traits, bean qualities and belowground biomass (dry weight of taproot, secondary root mass and overall root system). This was observed when either C. arabica or C. canephora scion material was used. Increasing elevation significantly reduced the trunk, branches and shoot system, chlorophyll fluorescence parameters and other agronomic traits. However no significant interactions were found between grafting and elevation (within the range tested). Our results show how interspecific grafting of C. arabica onto C. canephora can reduce plant biomass and productivity under shade and across an elevational gradient, especially when the composite plant involves a vigorous and high yielding F1 hybrid. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/604851/1/Koutouleas%20et%20al%20Scientia%20Horticulturae.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.scienta.2023.112162 10.1016/j.scienta.2023.112162 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scienta.2023.112162 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.scienta.2023.112162 info:eu-repo/semantics/dataset/purl/https://erda.ku.dk/archives/398b93da34aa6f0de79884e9381de065/published-archive.html info:eu-repo/grantAgreement/EC/H2020/727934//(EU) BREEDing Coffee for AgroForestry Systems/BREEDCAFS |
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F02 - Multiplication végétative des plantes F01 - Culture des plantes Coffea arabica http://aims.fao.org/aos/agrovoc/c_1721 http://aims.fao.org/aos/agrovoc/c_1920 F02 - Multiplication végétative des plantes F01 - Culture des plantes Coffea arabica http://aims.fao.org/aos/agrovoc/c_1721 http://aims.fao.org/aos/agrovoc/c_1920 |
spellingShingle |
F02 - Multiplication végétative des plantes F01 - Culture des plantes Coffea arabica http://aims.fao.org/aos/agrovoc/c_1721 http://aims.fao.org/aos/agrovoc/c_1920 F02 - Multiplication végétative des plantes F01 - Culture des plantes Coffea arabica http://aims.fao.org/aos/agrovoc/c_1721 http://aims.fao.org/aos/agrovoc/c_1920 Koutouleas, Athina Blunt, Conor Bregar, Aljoša Hansen, Jon Kehlet Ræbild, Anders Etienne, Hervé Georget, Frederic Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica |
description |
Interspecific grafting of Coffea arabica scions on C. canephora rootstock has been proposed as a strategy against nematode infestation, but also for cultivation of coffee under environmental stressors (such as temperature extremes). An agroforestry-like microclimate was established using artificial shade nets (30% light interception) across a multi-site elevation trial (from 1000 to 1450 m above sea level) in Costa Rica (Alajuela region). The effects of interspecific grafting of scions from modern C. arabica varieties ('Villa Sarchi' and an F1 hybrid called 'H3') onto C. canephora ('Nemaya') rootstock were tested under these conditions. The interactions between grafting, genotype and elevation were determined on the above- and below ground growth, agronomic traits, photosynthesis as well as bean and cup qualities. Variation in the protuberance of the graft union (trunk vs. below graft union collar diameters) were detected. However, no physical vascular blockages were observed in any of the interspecific grafted plants. Generally, interspecific grafting negatively affected most aerial and root traits as well bean yields for both 'H3' and 'Villa Sarchi' varieties compared to the non-grafted plants. A significant reduction in the photosynthesis of grafted 'H3' (in terms of Vcmax and ΦCO2max) was also observed. However, there were no impacts of grafting on the final bean attributes nor cup quality. Genetics of the scions largely determined coffee yields, with higher yields produced by 'H3' compared to 'Villa Sarchi'. The scion also controlled agronomic traits, bean qualities and belowground biomass (dry weight of taproot, secondary root mass and overall root system). This was observed when either C. arabica or C. canephora scion material was used. Increasing elevation significantly reduced the trunk, branches and shoot system, chlorophyll fluorescence parameters and other agronomic traits. However no significant interactions were found between grafting and elevation (within the range tested). Our results show how interspecific grafting of C. arabica onto C. canephora can reduce plant biomass and productivity under shade and across an elevational gradient, especially when the composite plant involves a vigorous and high yielding F1 hybrid. |
format |
article |
topic_facet |
F02 - Multiplication végétative des plantes F01 - Culture des plantes Coffea arabica http://aims.fao.org/aos/agrovoc/c_1721 http://aims.fao.org/aos/agrovoc/c_1920 |
author |
Koutouleas, Athina Blunt, Conor Bregar, Aljoša Hansen, Jon Kehlet Ræbild, Anders Etienne, Hervé Georget, Frederic |
author_facet |
Koutouleas, Athina Blunt, Conor Bregar, Aljoša Hansen, Jon Kehlet Ræbild, Anders Etienne, Hervé Georget, Frederic |
author_sort |
Koutouleas, Athina |
title |
Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica |
title_short |
Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica |
title_full |
Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica |
title_fullStr |
Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica |
title_full_unstemmed |
Effects of interspecific grafting of Coffea arabica and elevation on coffee growth, yield, and quality attributes in Costa Rica |
title_sort |
effects of interspecific grafting of coffea arabica and elevation on coffee growth, yield, and quality attributes in costa rica |
url |
http://agritrop.cirad.fr/604851/ http://agritrop.cirad.fr/604851/1/Koutouleas%20et%20al%20Scientia%20Horticulturae.pdf |
work_keys_str_mv |
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