@article{fdi:010046005, title = {{G}enetic analysis of partial resistance to coffee leaf rust ({H}emileia vastatrix {B}erk & {B}r.) introgressed into the cultivated {C}offea arabica {L}. from the diploid {C}. canephora species}, author = {{H}errera, {P}. {J}. {C}. and {A}lvarado, {A}. {V}. and {C}ortina, {G}. {H}. {A}. and {C}ombes, {M}arie-{C}hristine and {R}omero, {G}. {G}. and {L}ashermes, {P}hilippe}, editor = {}, language = {{ENG}}, abstract = {{T}he objective of this study was to identify polymorphic molecular markers associated with partial resistance to coffee leaf rust, {H}emileia vastarix. {A} segregating {F} (2) population derived from a cross between the susceptible {C}offea arabica cv. {C}aturra and a {C}. canephora-introgressed {A}rabica line exhibiting high partial resistance was analyzed. {R}ust resistance measured as rust incidence ({RI}) and defoliation ({DEF}) was evaluated in field conditions in three consecutive years (2003-2005). {D}uring the 2003 season, which was characterized by favorable conditions for a rust epidemic, the {F} (2) plants exhibited different levels of resistance ranging from very susceptible (50.1% for {DEF} and 49.5% for {RI}) to highly partial resistance (9.1% for {DEF} and 3.7% for {RI}). {M}olecular analysis enabled identification of seven polymorphic markers (5 {AFLP} and 2 {SSR}) exhibiting significant association with partial resistance. {C}oexistence of resistance homozygous alleles ({RR}) at codominant {SSR} loci was correlated with high resistance. {T}his study is the first attempt to develop {PCR}-based sequence specific markers linked to partial rust resistance in coffee.}, keywords = {{C}offea arabica ; {H}emileia vastatrix ; {O}range leaf rust ; {P}artial resistance ; {M}olecular markers}, booktitle = {}, journal = {{E}uphytica}, volume = {167}, numero = {1}, pages = {57--67}, ISSN = {0014-2336}, year = {2009}, DOI = {10.1007/s10681-008-9860-9}, URL = {https://www.documentation.ird.fr/hor/fdi:010046005}, }