河北省部分地区花卉病害初步调查

Preliminary Investigation on Flower Diseases Pests in Partial Area of Hebei Province

2008年春季通过对河北省的沧州市、唐山市、承德市3市部分花卉基地进行病害调查,发现真菌性病害5种,病毒病1种。真菌性病害包括灰霉病、白粉病、炭疽病、叶斑病和腐烂病,其中灰霉病有6种寄主,白粉病有2种寄主,炭疽病有5种寄主,叶斑病有7种寄主,腐烂病有1种寄主。病毒性病害寄主仅见于百叶竹。此外,还系统介绍了各类病害发生症状、特点、为害程度及发生地,并进行了分类。

Five fungal diseases,one virus disease and three pathogenic insects were found through the investigation of major species of garden flowers in Tangshan,Cangzhou and Chengde of Hebei Province in spring of 2008.Fungal diseases included gray mold,powdery mildew,anthracnose,grea leaf,and putrefaction.Thereinto gray mold disease,powdery disease,anthracnose disease,grea leaf disease and putrefaction disease were found in 6,2,5,7 and 1 species of garden flower respectively.The virus disease was generally confirmed to be mosaic virus,of which host plant was just found in hectoleaf bamboo.The symptom,feature,infection degree and environment of the plant diseases were systematically introduced and classified in the paper.