基于文献计量学的棉花黄萎病研究态势分析

On Status and Trends of Cotton Verticillium Wilt Based on Bibliometric Analysis

利用文献计量学方法和Web of Science(WOS)的SCI-E及CNKI数据库中棉花黄萎病相关研究的文献数据,从文献年代分布、学科分布、主要刊文期刊、核心作者、主要研究机构和高被引论文等方面进行分析,进而结合信息可视化软件CitespaceⅢ绘制棉花黄萎病研究领域的知识图谱,分析和总结该领域的研究热点与前沿.WOS数据库中,棉花黄萎病研究文献近年来呈现快速上升趋势,其中发文量前5位的国家为中国、美国、西班牙、土耳其和澳大利亚,中美两国发文量分别占42.88%和29.91%,远高于其他国家和地区;在发文量前5位的机构中,中国农科院发文量位居榜首,其次为美国加州大学、美国农业部和南京农业大学.发文学科主要分布在植物科学、农学、生物化学与分子生物学、生物技术应用微生物学和基因遗传学等领域.发文量前10位的期刊累计发文量高达36.70%,其中植物病理学(9.81%)、欧洲植物病理学(4.43%)和植物病害(4.27%)发文量较高.在CNKI数据库中,中国农科院棉花研究所和植物保护研究所发文量居主导地位,分别占11.37%和9.25%,其次是河北农业大学(9.25%)和南京农业大学(6.94%).发文量前10名的期刊占据了57.81%的发文量,发文量最高的期刊是棉花学报,占总发文量的20.62%.在棉花黄萎病研究领域中,无论发表论文的绝对数量,还是排名靠前的核心作者占比和核心机构占比等方面,中国和美国都居于主导地位.近年来,棉花黄萎病研究热点主要体现在两个黄萎病病原菌(大丽轮枝菌和黑白轮枝菌)、研究模式植物(拟南芥)和分子机理探索(基因表达)等方面.该领域突现强度较大的3大主题是抗病性、水杨酸和植物免疫,研究热度一直持续到现在,构成了目前棉花黄萎病领域的研究前沿.

Bibliometric analysis was used to retrieve articles from Web of Science(SCI-E)and CNKI databases.Yearly distribution,subject,journals,countries/institutions,core authors and high cited articles of publications were analyzed,and based on the theory of mapping knowledge domain,research trends and frontiers were abstracted by CitespaceⅢinformation visualization software.The results show that publications on cotton(Gossypium hirsutum L.)increased rapidly during recent years in Web of Science database.The top five most productive countries were China,USA,Spain,Turkey,Australia,of which China and USA contributed 42.88%and 29.91%publications,respectively,which is far exceeded the total publications from other countries and regions.The top five productive institutions were Chinese Academy of Agricultural Sciences,Institute of Cotton Research,University of California System,United States Department of Agriculture(USDA),Nanjing Agricultural University.The top subjects with the most papers were plant science,agriculture,biochemistry molecular biology,biotechnology applied microbiology,and genetics heredity.The top 10 journals contributed 36.70%of total publications,of which phytopathology was the first(9.81%),and followed by European journal of plant pathology(4.43%),plant disease(4.27%).In CNKI,Institute of Cotton Research of Chinese Academy of Agricultural Sciences ranked first(11.37%),and followed the by Institute of Plant Protection of Chinese Academy of Agricultural Sciences(9.25%),Hebei Agriculture University(9.25%),and Nanjing Agriculture University(6.94%).The top 10 journals contributed 57.81%of total papers,with Cotton Science ranking the first(20.62%).China and USA were the two predominant countries on cotton verticillium wilt studies as indicated by high proportion in number of publication,core authors,and core institutions.In the last years,the studies of cotton verticillium wilt focused on two pathogenic bacteria(Verticillium dahlia and alboatrum),model plant(Arabidopsis),and molecular mechanism(gene expression).The recent research frontiers were involved in disease resistance,salicylic acid,and plant immunity.