为了保护好现有林木,巩固大规模绿化成果,许多省都先后提出在3——5年内消灭主要森林虫害的规划。要保证规划的实现,技术措施必须跟上去,我们认为亟须解决下列几个问题:一、预测预报问题:森林害虫预测预报是指导防治工作的重要依据,亟待开展,可先就(1)发生面 In order to protect existing trees and consolidate large-scale afforestation achievements, many provinces have put forward plans for the elimination of major forest pests in three to five years. In order to ensure the realization of the plan, the technical measures must be followed up. We think it urgent to solve the following problems: I. Prediction and Forecasting: Prediction and forecasting of forest pests is an important basis for guiding prevention and control work. It is urgent to proceed with (1) surface