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中国农学通报 ›› 2014, Vol. 30 ›› Issue (7): 270-279.doi: 10.11924/j.issn.1000-6850.2013-1984

所属专题: 植物保护 玉米

• 植物保护 农药 • 上一篇    下一篇

2012年玉米病虫害发生概况特点和原因分析

刘杰 姜玉英   

  • 收稿日期:2013-07-20 修回日期:2013-09-29 出版日期:2014-03-05 发布日期:2014-03-05
  • 基金资助:
    公益性行业科研专项经费项目 “二点委夜蛾、 玉米螟等玉米重大害虫监测防控技术研究与示范” (201303026)。

Characteristic of Corn Diseases and Pest in 2012 and Cause Analysis

  • Received:2013-07-20 Revised:2013-09-29 Online:2014-03-05 Published:2014-03-05

摘要: 2012年是近年中国玉米病虫害发生面积最大、为害程度最重的一年。北方春玉米区玉米螟持续严重为害,东北、华北三代粘虫、大斑病严重发生。总结了2012年玉米螟、粘虫和大斑病等重大病虫发生特点,分析了适宜天气条件、病虫源的逐年和逐代积累、栽培管理措施不合理是导致玉米病虫害重发的主要原因。并针对性地提出了加强玉米病虫害监测预警工作、提升科学防病治虫水平的对策建议,本研究旨在对今后进一步做好玉米测报工作,指导玉米病虫害防治、有效控制危害、保障玉米生产都具有重要意义。

关键词: 寿命, 寿命

Abstract: The occurrence area of corn diseases, pests and damage in 2012 was most serious in recent years. Ostrinia nubilalis cause sustained and serious damage. Northern corn leaf blight and armyworms were serious outbreak in the northern spring maize zone. This paper summarized the characteristic of corn diseases and pest in 2012. The serious occurrence of corn diseases and pest in 2012 is mainly caused by suitable weather conditions, the source of diseases and pests accumulated year by year and unreasonable cultivation measures. To control the corn diseases and pest, guarantee corn production safety, several countermeasures are recommended, such as attaching importance to the corn forecast, improve the scientific level of disease and pest control.