一前言 1962年玉米螟防治研究是继1960、1961年之后的第三年,目的在于继續探索玉米螟在河南郑州地区的发生消长規律,以及結合当地的具体情况和条件,找出有利的防治时期和措施,达到无虫保产的效果。本項研究工作在院党委与各級領导的关怀和支持下,并与省农业厅、省农业科产院等单位密切协作,致使得以順利完成。 A preface 1962 corn borer control research is the third year after 1960, 1961, the purpose is to continue to explore the corn borer in Zhengzhou, Henan Province, the occurrence and decline of the law, combined with local conditions and conditions to find a favorable control Period and measures to achieve the effect of insect-free production. This research work is under the care and support of the Party committee and leadership at all levels and in close cooperation with the Provincial Department of Agriculture, Provincial Academy of Agricultural Science and Technology and other units, resulting in the successful completion.