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Anchored the Liaocheng eight counties, census the city line road, communities, attractions and some of the units within the green area in the Northwestern urban greening plant pests and diseases, to fill gaps in the local. On the basis of the census, summed up the problems in my area garden pests and diseases and governance, the new trend of garden pests and diseases, some types of disasters in the local Occurrence of the garden pests and diseases in the current countermeasures and local garden pests and diseases prevention and treatment approaches and technologies. A survey to more than 160 kinds of green plants, most species will suffer from one or several pest damage some plants not found during the investigation pests and typical disease hazards, such as citrate tree, fir, cedar, and so on. Classification of specimen collection, identification, were found in the typical diseases of 113 species, including fungi, bacteria, viruses, parasitic seed plants and nematodes; found 127 kinds of garden pests belonging to Lepidoptera, Coleoptera, Homoptera, Orthoptera, Hemiptera and Thysanoptera and other projects, including a variety of pests and diseases in the region for the first time reported. The survey found that local garden diseases serious harm to the species are more than 20 kinds, such as rose black spot, root knot nematode, the Euonymus japonicus powdery mildew, leaf spot and scab, cherry, Tau brown spots hole disease, Acacia wilt, Bauhinia anthracnose, angular leaf spot, grassy lawn leaf spot, rust and Fusarium root rot: garden pests types of serious harm to nearly 40 species, such as the Oriental Holcocerus Boring, acacia Kyrgyzstan small insects, the Ailanthus ditch orbital like and a variety of sawyer beetles, leaf-eating Diaphania perspectalis, Sophora japonica Geometrid, Sylepta borer, rose cut sawfly, wheat Makino borer and beet the vaginal discharge borer, sucking pests a variety of aphids, mites, scale insects, thrips, leafhoppers, plant bugs and the fleas are common in my area or local area serious. The survey shows that the damage by insects, was more severe disease, different the pest community composition in the different regions and ecological conditions, different years and different season pest advantage populations. Through the investigation, learned the District Garden Plant Protection seriously lagging behind the pace of green development, relevant inputs, technical strength is weak, and the very existence of the present edge of greenery and plant protection separation. The study found that the occurrence of garden pests and diseases presents many new trend, some new species have emerged and continue to increase, such as bronze ware psyllid, acacia insects Gidding, Semanotus longicorn came with the introduction of new plants for landscaping Liriomyza sativae and Bemisia tabaci came from abroad in recent years, an important agricultural damage as early as also the urban green areas settled; along with fruit trees into the city, some scale insects class the pear Stephanitis, hawthorn spider mite, peach point leafhoppers and a variety of plants brown spots perforated disease rapid increase in urban green belt and
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