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从我国51种植物上,分离到158株冰核活性细菌,鉴定后,确定属于3个属17个种或变种,即:1. Pseudomonas fluorescens biovar Ⅱ; 2. ps. marginalis; 3, ps. vicidiflava; 4. Pseudomonas sp. (非萤光菌); 5. ps. syringae pvs, Lachmans; 6. ps. syringae pv. syringae; 7. ps. syringae pv. pisi; 8. ps. syringae pv.