Econometric Analysis of Documents Relating to Prevalence of Apple Ring Rot

• 作 者: Shen Yueling Zhao Zengfeng Cao
• 机 构: HebeiAgriculturalUniversity
• 出 处: Plant Diseases and Pests(植物病虫害研究：英文版)
• 发表日期: 2013年2期
• 关键词: 苹果轮纹病 计量分析 文件 患病率 发生程度 基础研究 控制建议 统计分析 Apple ring rot Epidemiological Preventio
• 基金项目: Supported by Special Fund for Agro-scientific Research in the Public Interest ＂Species and Damage Characteristic of Pests in Apple＂ （200903004-42） ＆ ＂Research and Demonstration of Fruit Trees Rot Dise

After retrieving all papers with the theme of " apple ring rot" from 1994 to 2010,the article made a statistical analysis on locations,occurrence degree,regularity,prevention and treatments of apple ring rot according to published time.The resul