春播谷子是河北北部农作区主要粮食作物之一,有着悠久的栽培历史。常年发生的病害主要有谷子白发病(霜霉病)和黑穗病。发生的虫害主要有土跳蚤(粟茎跳甲、粟鳞斑叶甲、粟番死甲)、钻心虫(粟灰螟和粟叶甲)和粘虫。一、谷子白发病和黑穗病为害与防治该两种病害均是病菌为害花序,一般抽穗前很难识别,抽穗后才出现典型症状。病株抽穗迟,健株大部分进入乳熟期以后,病穗才抽出心叶。该病菌传播途径均是病菌孢子粘附在种子上或 Spring sown millet is one of the major grain crops in northern Hebei farming area, has a long history of cultivation. Perennial diseases are mainly white millet mildew (downy mildew) and smut. The main pests occurred were soil fleas (millet stems, crustacean leaf, decapitated beetle), borer worms (Smut and borer) and armyworms. First, millet white hair and smut damage and control of the two diseases are pathogenic fungus infested, generally difficult to identify before heading, heading typical symptoms. Strain heading later, most of the healthy plants into the milky maturity, the diseased spike out of the heart leaves. The pathways of germs are germs spores attached to the seeds or