主要病害及防治:花瓣灰霉病花瓣上着生黑色霉点,霉点上可看到菌丝体。炭疽病叶片长出大型黑褐色或淡褐色椭圆形或不定形病斑,病斑上有黑褐色或粉红色同心圆小点。白绢病病菌侵入根及叶片,造成根腐或叶片软腐。受害部位及植株上长出白色菌丝,后转为褐色的菌核颗粒。细菌性软腐病 The main diseases and prevention: Botrytis petal gray black mold on the mold, mildew can be seen mycelium. Anthrax leaves grow large dark brown or light brown oval or amorphous lesions, lesions have dark brown or pink concentric dots. Sickleaf disease invades the roots and leaves, resulting in root rot or soft rot leaves. Damaged parts and plants grow white mycelium, turn into brown sclerotia particles. Bacterial soft rot