【摘要】 １９９２ ～１９９６ 年，从辽宁省不同生态地区共采集番茄叶霉病菌标样６７ 份，采用国际通用的鉴别寄主进行生理小种鉴定，结果表明，该省番茄叶霉病菌以生理小种１．２ ．３ 为主，是当前生产上流行的优势小种，而１ ．２ ．３ ．４ 为稀有小种。更多还原

【Abstract】 During 1992～1996,67 tomato leaf mold pathogen ( Fulvia fulva ) strains were isolated from different ecological regions in Liaoning Province and biological race composition was analyzed based on the reaction of strains to the international differential hosts,the results indicated that race 1.2.3 was dominant races,and race 1.2.3.4 rarely occurred.更多还原