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This is the public archive with ID 398b93da34aa6f0de79884e9381de065 created on 2022-11-17 14:43:07 by Athina Koutouleas, IGN <atk@ign.ku.dk>.
Athina Koutouleas, Conor Blunt, Aljosa Bregar, Jon Kehlet Hansen, Anders Ræbild, Herve Etienne and Frederic Georget
Interspecific grafting of Coffea arabica on C. canephora put to the test under shade and different elevations 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.a.s.l.) 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 effects of grafting, genotype and elevation were determined on the above- and below ground growth, agronomic traits, photosynthesis as well as bean and cup qualities. The attached files are supplementary data which are available for external review and analyses. S 1. Pairwise testing and ANOVA results S 2. Timeline of grafting process S 3. Leaf gas-exchange raw data
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