摘要
通过对全国主要棉区棉铃虫历史资料的研究和分析，结合进行全国棉铃虫预报工作的实践，阐述了搞好棉铃虫预报应重视的几个具普遍意义的问题，即使用总虫量和把握气候条件的变化对做好预报的重要性；提出各地应科学制定棉铃虫发生程度是搞好预报的基础，指出搞好数据库建设是提高测报水平的有效途径。
With the forecasting practice for nationwide, the history of the cotton bollworm occurrence in main cotton cultivated area were analyzed. It was stated in this paper that using the total amount of whole generation and emphasizing on the relationship with change of weather conditions are the key to improve the forecasting quality for the pest attacking.It also emphasizing on the importance to standardize the occurrence degrees and establish the pest forecasting data bank management system.
出处
《植保技术与推广》
1998年第4期5-7,共3页
Plant Protection Technology and Extension
关键词
棉铃虫
预测预报
发生程度
经济损失
cotton bollworm monitoring and forecasting occurrence degrees
