小麦丛矮病是由灰飞虱传播的病毒病,其发生规律与田间灰飞虱的种群数量有关。近年来,小麦丛矮病在河北省邢台市各小麦种植区均有不同程度的发生,对邢台市小麦生产已构成潜在威胁。1发生规律小麦丛矮病病原物为北方禾谷花叶病毒,由媒介灰飞虱传毒。带毒灰飞虱取食小麦植株后,可致健康植株发病。病株表现为叶脉褪绿黄化,植株矮化, Dwarf disease of wheat is a virus disease transmitted by Laodelphax striatellus and its occurrence is related to the population of Laodelphax striatellus in the field. In recent years, wheat dwarf disease in Xingtai City, Hebei Province, all wheat growing areas have varying degrees of occurrence, Xingtai City, wheat production has posed a potential threat. 1 occurs regular wheat dwarf disease pathogen Northern cereal mosaic virus, transmitted by the media Laodelphax striatellus. With poisoned planthopper feeding on wheat plants, can cause healthy plants disease. The diseased plants showed chlorotic chlorosis, plant dwarfing,