水稻二化螟灾变规律与栽培因素之关系分析
Interactions between infestation regularity of Chilo suppressalis and cultivation factor.
韦永保;施守华;刘明熙
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作者单位：安徽省广德县植保植检站,安徽广德242200
中文关键词：二化螟;灾变规律;特点;栽培因素
英文关键词：Chilo suppressalis Walker; infestation regularity; character; plant factor
中文摘要：通过对20多年的历史资料分析,近年来安徽省广德县水稻二化螟Chilo suppressalisWalker灾变规律发生了新变化:发生期推迟,发生程度加重,主害世代推后。栽培因素如种植制度的调整,优质稻品种的普及,水稻播、栽期的推迟,免耕技术的推广等与其关系密切。这些因素将继续向有
英文摘要：Through the analysis of historical data of more than 20 years in Guangde County of Anhui Province, it's was found that the rule of Chilo suppressalis Walker infestation regularity has changed in recent years.Occurrence period is delayed, occurrence de