兰州大学草坪与绿地植物病虫害调查与养护技术

Investigation and protective techniques for turf and virescene plants′ disease and insect harm in Lanzhou university

通过对兰州大学运动场草坪和绿地草坪病虫害调查,共发现由12种病原真菌引起的23种真菌病害,分别寄生于5属6种坪用和绿地植物。危害兰州大学草坪草早熟禾Poapratensis病害3种、黑麦草Loliumperenne病害5种、高羊茅Festucaarundinacea病害2种、紫羊茅F.rubra病害2种、苜蓿Medicagosativa病害6种及白三叶rifoliumrepens病害5种。其中主要病害有:禾草交链孢叶斑病Alternariaalternata,禾草根腐离蠕孢叶斑病Bipolarissorokiniana,禾草新月弯孢叶斑病Curvularialunata,禾草褐斑病Rhizocto-niasolani,早熟禾德氏霉叶斑病Drechslerapoae,苜蓿褐斑病Pseudopezizamedicaginis,苜蓿黑茎病Phomamedicaginis,苜蓿炭疽菌Colletotrichummedicaginis,苜蓿锈病Uromycesstriatus,三叶草锈病U.trifolii及三叶草白粉病Erysiphepisi和苜蓿白粉病E.pisi。危害兰州大学草地的主要有害生物有2类:蛴螬类和蛞蝓Agriolimaxagrestis。在调查基础上,提出了一些切实可行的病虫害综合防治技术措施。

Through disease and insect investigation on Lanzhou University＇s sport and vlrescene turt,23 fungus disease caused by 12 fungal pathogenies are found in total, parasited on turf and virescene plants of 6 species in 5 genus seperately. In Lanzhou university, 3 diseases harm Poa pratensis, 5 on Lolium perenne , 2 on Festuca arundinacea , 2 on F. rubra, 6 on Medicago sativa , 5 on Tri folium repens. Main diseases are： Alternaria alternata , Bipolaris sorokiniana , Curvularia lunata ,Rhizoctonia solani , Drechslera poae , Pseudopeziza medicaginis , Phoma medicaginis , Colletotrichum medicaginis ,Uromyces striatus ,U. trifolii, Erysiphe pisi and E. pisi. There are 2 major types of harmful animals affecting turf plants in Lanzhou university： grub and A. agrestis. On base of investigation, some feasible and comprehensive control techniques and measures to control disease and insect are put forward.