GENES CONDITIONING HALO BLIGHT RESISTANCE TO RACES 1, 7, AND 9 OCCUR IN A TIGHT CLUSTER

摘要

Halo blight is a seed-borne bacterial disease (caused by Pseudomonas syringae pv. phaseolicola) that infects common bean (Phaseolus vulgaris L.) worldwide. Genetic resistance is the most effective control method. A host/pathogen differential series developed by Taylor et al. (1996a; 1996b) identifies five resistance genes (Table 1).