24 phages were isolated from rice leaves infected by bacterial leaf streak in 18counties/cities,Hunan Province.The specificity of these phages was detected.The resultsshowed they only infected the causal agent Xanthomonas oryzae pv.oryzicola,but had notinfected other species of pathogenic bacteria of plants.90 causal agent isolates collected fromHunan,Guandong,Guanxi,Fujian and Sichuan provinces were used to determine their sensi-tivity to these phages.It was found that these isolates could be devided into 3 groups and 23lysotypes.Improvin...
