Gene Identification and Reaction of Rice Varieties to Korean and Philippine Races of Xanthomonas oryzae. pv. oryzae

Bacterial blight (BB) caused by Xanthomonas oryzae pv. Oryzae (Xoo) is one of the most serious diseases of rice. Ten races of the bacterium have been identif ied in the Philippines. Each race has specif ic virulence to