玉米青枯病是我省近年来广为流传的一种病害,局部地区发生相当严重,且有扩大蔓延的趋势。1379年以来,我们对该病在杨陵地区的发生、危害、症状特点及影响因素进行了初步调查,现报道如下。 Corn bacterial wilt is widely spread in our province in recent years, a serious disease occurred in some areas, and there is a tendency to expand and spread. Since 1379, we conducted a preliminary investigation on the occurrence, harm, symptom characteristics and influential factors of the disease in Yangling area. The report is as follows.