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  • The world geographic identification of more than 50 physiologic races of H. vastatrix and characterization of 50 coffee physiologic groups of resistance.
  • Demonstration that gene-for-gene theory is applied to coffee-H. vastatrix interactions. By this theory, 9 genes of resistance (SH1-SH9) were characterized and 9 genes of virulence (v1-v9) were inferred.

  • A decisive step forward in the research programme of the CIFC was the discovery, in the late 1950´s, of the Timor Hybrid (HDT), a spontaneous natural hybrid between Arabica and Robusta. Some HDTs, with resistance to all known rust races, were used as sources of resistance in the breeding programmes originating  varieties such as Catimor and Sarchimor.

  • Both HDT and its derivatives as well as all the available coffee materials of CIFC have been provided free of any charge to all the world coffee growing countries.
  •  More than 90% of cultivated resistant coffee varieties were created from the studies carried out at CIFC.
  • Since 1989,  the screening of thousands of coffee genotypes, with C. kahawae isolates from different African coffee regions allowed to identify coffee genotypes with different spectra of resistance. 
  • C. kahawae isolates were characterized at CIFC (aggressiveness, vegetative compatibility, isoenzymes, molecular polymorphism).



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