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一、前言沈阳市辉山风景区油松面积达4万余亩、幼林面积大约5千亩左右。近年来,由于日本松干蚧的危害,严重的影响了林木的正常生长和发育。几年来,沈阳市园林科学研究所与我处共同研究日本松干蚧的综合防治课题,取得了一定的进展。一九八七年辉山风景区管理处应用热气流杀虫器进行了大面积防治日本松干蚧的试验工作,并取得了较好的效果。二、防治试验效果应用试验工作于一九八七年八月九日一九月十五日进行,对525亩油松林进行了防治试验。
I. Introduction Shenyang Huishan Scenic Area pine oil area of 4 million mu, young forest area of about 5 acres. In recent years, due to the harm of Japan pine scale, seriously affected the normal growth and development of trees. Over the past few years, Shenyang Institute of Landscape Architecture and our office to study the comprehensive control of Japan’s pine scale, and made some progress. In 1987, Huishan Scenic Spot Management Office conducted a large-scale experimental work on the prevention and control of Japanese pine scale with a hot-air insecticide and achieved good results. Second, the control test The application of experimental work on August 9, 1987 on September 15 carried out on 525 acres of pine forest prevention and control tests.