重庆主城公共绿地病虫害调查与防治对策

Investigation and Control Countermeasures of Public Green Space Diseases and Insect Pests in Urban Area of Chongqing

连续3年对重庆大学城公园、璧山观音塘湿地公园、秀湖公园以及重庆大学城各高校校园等公共绿地病虫害发生情况进行调查,结果显示,重庆市主城园林植物中,92种园林植物容易遭受病虫危害,常见易发病虫害主要有34种,其中病害15种、虫害19种。提出以"预防为主、综合防治"的总方针,在加强植物检疫检验的基础上,灵活选用农艺措施、生物防治和化学防治等方法降低公共绿地的病虫害危害。

Disease and insect pest in university campus and other public greenland were investigated for continuous three years, as well as Chongqing University City Park, Bishan Guanyintang Wetland Park, Bishan Xiuhu Wetland Park. Results showed that among the landscape plants in Chongqing City, 92 plant types were vulnerable to pest hazards. There were mainly 34 common diseases and pests, among which 15 were diseases and 19 were insect pests. The general policy of ＂prevention first and integrated control＂ was put forward. Based on strengthening the quarantine inspection, flexibly selecting the agronomic measures, biological control and chemical prevention could reduce the pest damage into a limited range.