| 2017年玉米重大病虫害发生特点和原因分析 |
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| 引用本文： | 刘 杰,刘万才,姜玉英.2017年玉米重大病虫害发生特点和原因分析[J].植物保护,2019,45(3):152-157. |
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| 作者姓名： | 刘 杰 刘万才 姜玉英 |
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| 作者单位： | 全国农业技术推广服务中心, 北京 100125 |
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| 基金项目： | 国家重点研发计划(2016YFD0300700) |
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| 摘 要： | 本文总结了2017年我国玉米病虫害发生概况,重点分析了亚洲玉米螟、二点委夜蛾、黏虫、棉铃虫以及大斑病、南方锈病等近年玉米上发生为害明显的重大病虫害的发生特点,分析讨论了虫源基数、天气条件、种植制度以及品种抗性和防控水平等因素对玉米病虫害发生的影响。
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| 关 键 词： | 玉米 重大病虫害 发生特点 原因分析 |
| 收稿时间： | 2018/7/6 0:00:00 |
| 修稿时间： | 2018/8/29 0:00:00 |
Occurrence characteristics and related factors of major corndiseases and insect pests in 2017 |
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| LIU Jie,LIU Wancai,JIANG Yuying.Occurrence characteristics and related factors of major corndiseases and insect pests in 2017[J].Plant Protection,2019,45(3):152-157. |
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| Authors: | LIU Jie LIU Wancai JIANG Yuying |
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| Institution: | National Agro Tech Extension and Service Centre, Beijing 100125, China |
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| Abstract: | Ostrinia furnacalis, Athetis lepigone, Mythimna separata, Helicoverpa armigera, northern corn leaf blight and southern corn rust are the major corn insect pests and diseases, which can cause heavy yield losses in corn production. This paper summarized the occurrence characteristics of these major corn diseases and pests in 2017. The main influence factors related to the occurrence of the major corn diseases and pests were discussed, including the initial insect population, weather conditions, cropping systems, variety resistance and control measures. |
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| Keywords: | corn major diseases and pests occurrence characteristics cause analysis |
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