Econometric Analysis of Documents Relating to Prevalence of Apple Ring Rot

• 作者: Cao Keqiang Shen Yueling Zhao Zengfeng
• 来源期刊: Plant Diseases and Pests(植物病虫害研究：英文版)
• 学科: 农学
• 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
• 年，卷（期）: 2013,（2）
• 页码范围: 18-21
• 页数: 4页
• 分类号: S436.611.1

摘要

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 results showed that the occurrence degree of apple ring rot increased year by year,and were uneven among the major apple producing areas with a trend of spreading gradually from east to west.Researchers had paid more attention to control and pharmaceutical experiments of ring rot,while the studies on basic research,projections and forecasts of the disease were not enough.Some prevention and control recommendations of apple ring rot were proposed based on the detailed analysis.