摘要
采用关键词词频分析法,利用维普数据《中文科技期刊数据库》对我国甜菜夜蛾研究现状和发展趋势进行了计量分析,通过对关键词词频分析发现,我国甜菜夜蛾的研究热点依然是抗药性研究和杀虫剂的利用与筛选,而甜菜夜蛾的基因克隆、表达、核型多角体病毒的利用、不同药剂的复配逐渐成为新的研究热点。
By using frequency analysis of Key words,the development tendency and research status of Spodoptera exigua in China on weipu＇s Chinese Technologically Journal Database were analyzed.Studying on the resistance,using and screening of new insecticides still was the research focus of S.exigua in China,gene cloning,expression,using of nuclear polyhedrosis virus and mixing different insecticides gradually become the new research focus.
出处
《长江蔬菜》
2010年第18期124-127,共4页
Journal of Changjiang Vegetables
基金
公益性行业(农业)科研专项经费(200803007)
关键词
甜菜夜蛾
研究现状
发展趋势
词频分析
Spodoptera exigua
Research status
Development tendency
Analysis of word frequency
