ABSTRACT Coffee Leaf Rust (CLR) disease is one of the main diseases of coffee plants including Liberica coffee. Liberica coffee is superior variety from Meranti Islands, Lim 1 and Lim 2, have been determined by Minister of Agriculture as resistant varieties against Coffee Leaf Rust (CLR). The largest group of resistance (R) genes is the genes encoding the NBS-LRR (Nucleotide Binding Site-Leuci…