一、地黄地黄常见病害有斑枯病、斑点病、轮纹病、枯萎病、花叶病等。应选用健康无病的植株栽种,并加强田间管理,适当增施钾肥,提高抗病能力;其次,与禾本科植物实行轮作,于发病期前10～20天开始喷药保护,可用65%的代森锌500～600倍液、50%的多菌灵800～1000倍液或1︰1︰140的波尔多液。地下病害用800倍的50%甲基托布 First, Rehmannia glutinosa common diseases spot blight, spot disease, ring disease, blight, mosaic disease and so on. Should be used to plant healthy and disease-free plants, and strengthen field management, appropriate increase of potassium, improve disease resistance; Secondly, with grasses plants rotation, 10 to 20 days before onset onset of spraying protection, available 65% Debenzin 500 ~ 600 times the liquid, 50% of the carbendazim 800 ~ 1000 times or 1: 1: 140 Bordeaux mixture. 800 times the underground disease with 50% methyl thiophene