| 河南玉米叶斑病发生的区域特征 |
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| 引用本文： | 段鹏飞,刘天学,李潮海.河南玉米叶斑病发生的区域特征[J].河南农业大学学报,2010,44(2). |
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| 作者姓名： | 段鹏飞 刘天学 李潮海 |
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| 作者单位： | 河南农业大学农学院,河南,郑州,450002 |
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| 基金项目： | 国家粮食丰产科技工程项目，河南省重大科技专项 |
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| 摘 要： | 2007,2008年调查了19个玉米品种在河南不同生态区(豫西南、豫中南、豫东、豫中、豫北)病害发生情况.并结合不同生态区气候条件(温度、湿度、降水、日照)对河南玉米病害发生的区域特征进行分析.结果表明,乳熟期豫东褐斑病发病最严重、腊熟期豫西南南方锈病发病最严重、腊熟期豫中南弯孢叶斑病发病最严重.豫中、豫北病害较轻.吐丝前温度是促使病原孢子萌发侵染关键因素,吐丝后降水总量、温度、湿度是促使病害发展及再侵染的主要生态条件.
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| 关 键 词： | 玉米病害 区域特征 不同生态区 河南 |
Regional characteristics of corn leaf spot disease occurrence in Henan |
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| DUAN Peng-fei,LIU Tian-xue,LI Chao-hai.Regional characteristics of corn leaf spot disease occurrence in Henan[J].Journal of Henan Agricultural University,2010,44(2). |
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| Authors: | DUAN Peng-fei LIU Tian-xue LI Chao-hai |
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| Institution: | Agronomy College/a>;Henan Agricultural University/a>;Zhengzhou 450002/a>;China |
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| Abstract: | State-trial test for 19 maize varieties,research on corn disease in different ecological zones(southern-western,southern-central,eastern,central and northern region)in province of Henan for the past two years(2007,2008 year),and combination of climatic conditions(temperature,humidity,precipitation,Sunshine) in different ecological zones,analysis of corn disease regional characteristics occurred in Henan.The results show that: Physoderma brown spot was the most serious disease in eastern region at 20 days af... |
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| Keywords: | corn disease regional characteristics different ecological zone Henan |
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