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一九八○年十一月七日,日本丰田汽车公司赠给北京市市长1000株樱花树苗,分装20箱,由首都国际机场进口。我站赴机场进行初步植物检疫检验,发现有多种生活害虫和樱花根头癌肿病。日方设有出据植物检疫证书。此后,全部树苗运到西南郊苗圃。经我站与园林局有关技术人员一起进行抽样三箱150株详细检查,发现:虫害株率达17.3%、樱花根头癌肿病株率达39.3%,同株既有虫害又有根头癌肿病的被害株率达17.3%,共
On November 7, 1980, Japan’s Toyota Motor Corporation donated 1,000 Sakura saplings to the mayor of Beijing for 20 containers, which were imported by the Capital International Airport. I went to the airport to conduct preliminary phytosanitary inspection and found that there are a variety of life pests and cherry root cancer disease. Japan has issued a phytosanitary certificate. Since then, all saplings shipped to the southwest suburb nursery. After I stood with the Bureau of Parks and related technical personnel to carry out a sample of three boxes of 150 detailed examination and found that: pest rate of 17.3%, Sakura root swollen strain rate of 39.3%, the same strain of both pests and root cancer Sick disease victimization rate of 17.3%, a total of