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Breeding for low seed caffeine content of coffee (Coffea L.) by interspecific hybridization |
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| Authors: | Paulo Mazzafera Alcides Carvalho |
| Institution: | (1) Department of Plant Physiology, IB, UNICAMP, CP6109, 13081 Campinas, SP, Brasil;(2) Department of Genetics, Instituto Agronômico, CP28, 13100 Campinas, SP, Brasil |
| Abstract: | Summary Seeds from open-pollinated flowers collected from hybrids of several Coffea species were analysed for caffeine content. The caffeine content was not always intermediary to that of the parents; higher and lower values were found. Diploid F1 hybrids between accessions of C. eugenioides and C. salvatrix showed the lowest seed caffeine content. Seeds of the tetraploid hybrids C. arabica × C. salvatrix or C. arabica × C. eugenioides hybrids presented low caffeine content. The possibility of breeding coffee to reduce the caffeine content in the seeds by interspecific hybridization of C. arabica with other Coffea species is discussed. |
| Keywords: | Coffea species interspecific hybrids seed caffeine content |
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