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为害莲藕的病虫主要有蚜虫、食根金花虫、莲藕腐败病等。防治蚜虫可用10%大功臣或40%氧化乐果乳剂,防治食根金花虫可用呋喃丹1-2公斤撒毒土或敌百虫晶体100-150克拌细土在清晨撒施。腐败病是影响莲藕产量和品质的主要病害,俗称黑根病、黑心病,也称藕瘟,发病部位主要是地下藕和叶片。地下茎被病菌侵染后,初期症状不明显,横断病茎,可见近中心处的维
Pests damage pests are mainly aphids, edible root golden pest insects, lotus root rot disease. Control of aphids can be used 10% hero or 40% omethoate gel, prevention and treatment of root euphorbia Furadan available 1-2 kg sprinkle toxic soil or trichlorfon crystals 100-150 g mixed fine soil in the morning spreading. The rotten disease is the main disease that affects the yield and quality of the lotus root, commonly known as the black root disease, black heart disease, also known as the lotus root blast, the incidence of the site is mainly underground lotus root and leaves. Underground stems infected by bacteria, the initial symptoms are not obvious, transverse disease stem, visible near the center of the dimension