【摘要】 近年来京郊蔬菜软腐病害有所增加.经对夏季各类主要蔬菜和窖藏后期的大白菜研究鉴定,欧氏软腐细菌为害大白菜、蕃茄、青椒、马铃薯、黄瓜、冬瓜、南瓜和丝瓜等。经过形态、生理生化特性、致病性等一系列的测定,发现蔬菜上腐烂细菌的种类有所变化,窖藏后期大白菜腐烂主要病原是假单孢杆菌(Pseudomonas spp夏季蔬菜上主要是胡萝卜软腐欧氏杆菌胡萝卜软腐致病型(Erwinia carotovora pv.carotovora),在蕃茄和丝瓜上还发现有胡萝卜软腐欧氏菌马铃薯黑胫病致病型(Erwinia carotovora pv.atroseptica).更多还原

【Abstract】 38 isolates of soft rot bacteria isolates from more than 13 places inBeijing were identified.10 isolates of soft rot bacteria from Chinesecabbage in late storage state were Pseudomonas spp.,24 isolates from tomato,peper,potato,cucumber,white gourd,pumpkin and towel gourd were Erwiniacarotovora pv.carotovora(Ecc) and the other 4 isolates from tomato andtowel gourd were Erwinia carotovora pv.atroseptica (Eca).Eca not only cancause black leg of potato but also can cause soft rot of summer vegetablesin Beijing.更多还原