近几年来随着哈密地区大棚、温室蔬菜栽培面积的扩大及外地引种频繁,使哈密地区黄瓜根结线虫病的发生逐年加重,该病是黄瓜的毁灭性病害,在老菜地、重茬地发病严重。特别 In recent years, with the greenhouse in Hami region, greenhouse vegetable cultivation area expansion and frequent introduction of the field, so that the incidence of cucumber root knot nematodes in Hami area increased year by year, the disease is a cucumber devastating disease in the old vegetable fields, crop stubble disease serious. especially