哈密瓜细菌性果斑病是近年来暴发流行的一种瓜类病害,也是我国对内对外检疫性重大植物病害。该病由燕麦嗜酸菌西瓜亚种(Acidovorax avenae subsp.citrulli,Aac)引起,具有发病快、危害广、损失重、防治难的特点,一旦发生往往给瓜产区造成严重经济损失。据报道[1],2007年新疆石河子市温室栽培的西瓜叶片上曾获得一株对Aac有 Hami melon bacterial fruit spot is a melon epidemic outbreak epidemic in recent years, is also a major domestic and foreign quarantine plant disease. The disease is caused by Acidovorax avenae subsp. Citrulli (Aac), which has the characteristics of quick onset, extensive damage, heavy loss and prevention and cure. Once it occurs, it often causes serious economic losses to the melon producing area. It is reported [1] that in 2007, Shihezi City, Xinjiang greenhouse cultivated watermelon leaves have been obtained on a Aac