隆尧县是农业大县,耕地面积85万亩,常年小麦种植面积60万亩,小麦病虫害年发生面积220万亩次,防治面积高达250万亩次。近年来,随着农业种植结构的调整,耕作方式的改变和一些小麦新种质、新品种的引进推广,小麦病虫草害的发生为害也呈现出新的特点。老病虫回升,新病虫出现,南病北移,北虫南 Longyao County is a large agricultural county, 850000 acres of arable land, perennial wheat acreage 600000 mus, annual occurrence of wheat pests and diseases 2200000 mus times, prevention and control area up to 2500000 mus times. In recent years, along with the adjustment of agricultural planting structure, the change of farming methods and the introduction and popularization of some new wheat germplasm and new varieties, the occurrence of pest, disease and weed damage also showed new characteristics. Old pests rebounded, new pests appeared, South moved north, North Pest South