由茎点霉真菌造成的黑心,称黑腐病,是由病菌侵入芹菜茎基部或叶柄基部引起的,发病部位在近地面的地方,呈黑褐色腐烂。有些产生小黑点,是病原茎点霉的分生孢子器。病原菌由种子带来,可以引起幼苗猝倒死亡;多数会在移栽后发生,造成大量死亡。可以于发病初期喷用丙森锌、甲托或春雷氧氯铜进行防治。由欧氏干菌引起的黑心软腐病属细菌病。会使茎部或叶柄 Caused by the Phyllostachyces black heart, said black rot, is caused by bacteria invade celery stem base or petiole base caused by the incidence of the site near the ground, dark brown decay. Some produce black spots, is the pathogen Phyton conidia. Pathogenic bacteria are brought by seeds and can cause cataplasm catastrophic death; most occur after transplanting, resulting in a large number of deaths. In the early stages of the spray can be sprayed with propine Zinc, Jiaotong or spring thunder oxychloride for prevention and treatment. Caudatus caused by the black heart soft rot is a bacterial disease. Will make the stem or petiole