摘要
本文调查研究北京市园林花卉(草本花卉)病害种类,。症状及危害,调查结果,草本花卉病害六十多种,分布在四十种植物,其中以真菌病害为主,其次为病毒,细菌,线虫等。发生较普遍和危害严重的病害有:凤仙花白粉病、一串红花叶病、芍药褐斑病、菊花褐斑病、唐菖蒲枯萎病、大理花白粉病及花叶病等病害。
This paper is a study on the Kinds of diseases.Their harm and Symptoms of herbaceous flowers in Beijing.The results of investigation indicated that more than 60 kinds of diseases were found to occurr on about 40 species of herbaceous flowers. among the diseases the more important ones of Common occurrence were the fungal diseases, virus, bacteria and nematodes etc were of less significance,most distinguished of there diseases are. garden balsam powdery mildew, sage mosaic virus, peony brown spot,chrysanthemum brown spot .gladiolus wilt,dahlia powdery mildew and dahlia mosaic virus.
