贵新高等级公路护坡草地病虫害调查及防治

根据2001年度对贵新高等级公路护坡草地病虫害进行的调查，结果表明贵新高等级公路护坡草地病虫害发生较为普遍和严重。其中：主要病害共有7种，分别是：锈病、黑粉病、白粉病、褐斑病、云斑病、离蠕孢叶枯病和由交链孢属引起的叶斑病。主要害虫有6科15种，其中：蝗科3种、飞虱科2种、叶蝉科5种、夜蛾科2种、蚜科1种、蝽科2种。在调查的基础上提出了防治措施。

Investigation of Plant Diseases and Insect Pests of Lawn for Protecting Side Slopes of High Grade in Gui-Xin Highway and It''''s Chemical Provention and Cure

On the basis of investigation of plant diseases and insect pests of seeding protection for side slopes of highway Gui-Xin high grade in 2001, the results show that the plant diseases and insect pests on the expressway spread widely and seriously. The main disease harms have 7 Species: Pucinia spp., Entyloma dactylidis, Erysiphe graminis, Rhizoctonia solani, Rhynchosporium secalis(oud.) Davis, Bipolaris spp., and leaf spot was caused by Alternaria. The main insect pests have 15 Species 6 Families: the Acrididae to have 3 Species; the Delphacidae to have 2 Species; the Cicadellidae to have 5 Species; the Noctuidae to have 2 Species; the Aphididae to have 1 Species; the Pentatomidae to have 2 Species. The measures of prevention and cure are presented.