第一次全国玉米螟学术讨论会,于三月二十一日至二十八日在河北省保定市举行。参加会议的有来自全国十三个省、市、自治区的二十四个单位代表。会议总结了十年来玉米螟防治研究工作的丰富经验,如在发生规律研究方面,找出防治关键,拟订了防治策略,明确了防治适期和制订了预测预报方 The first National Corn Stem Borer Symposium was held in Baoding, Hebei Province from March 21 to March 28. Twenty-four representatives from 13 provinces, cities and autonomous regions nationwide attended the conference. The meeting summed up the 10 years experience in the prevention and treatment of corn borer, rich experience, such as the law of occurrence, find out the key to prevention and control, the development of prevention and control strategies, a clear prevention and control of the right period and the development of a prediction and forecasting party