通过大量的观察调查,搞清了由苗木携带而传入潍坊地区的几种园林病虫害即龙柏叶枯病、大叶黄杨巢蛾、白蜡蚧、悬铃木方翅网蝽、美国白蛾的发生危害特点,同时结合当地实际,制定出较为合理的综合防治方案。 Through a large number of observations and surveys, it has been clarified that several garden pests and diseases, such as Cypress’s leaf blight, Big yellow leaf-like nest moth, white wax scale, Platycladus orientalis, and American white moth, carried by seedlings and introduced into Weifang area, Characteristics, combined with local conditions, to develop a more reasonable integrated prevention and control programs.