title: Introgression of self-compatibility from Coffea heterocalyx to the cultivated species Coffea canephora.
abstract: Self-compatibility segregation was assessed in two successive backcross progenies originating from an interspecific cross between Coffea canephora (self-incompatible) and Coffea heterocalyx (self-compatible). After self- and cross-pollination, pollen tube behaviour in styles was observed under ultraviolet fluorescence microscopy and fruit-set was determined at harvesting time. Segregation ratios in the two progenies were consistent with monofactorial control of self-compatibility. Self-compatible plants exhibited higher fruit-set than self-incompatible ones in open-pollination conditions. Segregation of AFLP markers was scored in the first backcross progeny. By molecular linkage analysis, the S locus could be mapped to a short linkage group.
authors.affiliation: Centre IRD, 911 Avenue Agropolis B.P. 5045, 34032 Montpellier Cedex 1, France.
authors.forename: I.
authors.initials: I
authors.lastname: Coulibaly
authors.forename: M.
authors.initials: M
authors.lastname: Noirot
authors.forename: M.
authors.initials: M
authors.lastname: Lorieux
authors.forename: A.
authors.initials: A
authors.lastname: Charrier
authors.forename: S.
authors.initials: S
authors.lastname: Hamon
authors.forename: J.
authors.initials: J
authors.lastname: Louarn