唐山市新区农民近年来种植生姜，获得了较高的经济效益，一般６６７可达万元以上。由于生姜极易发生腐烂病（群众称为姜瘟），加之其分布广、发展快，所以对生姜生产构成了严重危害。生姜腐烂病一般６月开始发生，８月发病率最高。其主要症状是：首先在靠近地面的茎部和地下 In recent years, farmers in Tangshan New District planted ginger and obtained high economic benefits, generally 667 up to more than ten thousand yuan. Because ginger is very prone to rot disease (the masses called Jiang Ping), coupled with its wide distribution and rapid development, it is a serious hazard to ginger production. Ginger rot disease generally began in June, the highest incidence in August. The main symptoms are: first in the stem near the ground and underground