A method for differentiating between Coffea arabica and C. canephora plants and their hybrids

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dc.creatorWilliams, J.A.
dc.date2025-07-02T15:16:42Z
dc.date2025-07-02T15:16:42Z
dc.date1972-07-01
dc.date.accessioned2026-06-09T02:07:16Z
dc.descriptionCoffea canephora (Robusta) is diploid (2n=22) and C. arabica is tetraploid (2n=44). Both species are highly polymorphic and some of their forms overlap, making it impossible to always differentiate them on the basis of morphology alone. The experiment reported here describes how a number of leaf surface characters, such as stomatal frequency and size, epidermal cell count, and venation and mesophyll types, were used to differentiate the two species and their hybrids. A liquid plastic compound, duco cement, was used to make impressions of the leaf epidermis. Possible applications of this technique, which uses plastic impressions of leaf surfaces, to study introgression in populations, and the origin and evolution of C. arabica in particular, are discussed.
dc.format5
dc.formatapplication/pdf
dc.identifierhttps://repositorio.catie.ac.cr/handle/11554/13128
dc.identifieropenAccess
dc.identifier.urihttp://hdl.handle.net/123456789/2545
dc.languageen
dc.publisherInstituto Interamericano de Cooperación para la Agricultura (IICA)
dc.relationTurrialba Vol. 22, no. 3
dc.subjectCoffea arabica||Coffea arabica||Coffea arabica||Coffea arabica
dc.subjectCoffea canephora||Coffea canephora||Coffea canephora||Coffea canephora
dc.subjectVariante||variants||variante||variant
dc.subjectBiotecnología||biotechnology||Biotecnologia||biotechnologie
dc.subjectNigeria||Nigeria||Nigéria||Nigéria
dc.subjectSede Central
dc.titleA method for differentiating between Coffea arabica and C. canephora plants and their hybrids
dc.typeArtículo

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