数字农科院2.0

四川省小麦条锈病流行区划及菌源传播路径分析

文献类型: 中文期刊

作者: 罗林明;陈万权;赵志模;王进军

作者机构:

关键词: 小麦条锈病;流行特点;传播路径;GIS

期刊名称:植物保护学报

ISSN: 0577-7518

年卷期: 2008 年 35 卷 03 期

页码: 220-226

收录情况: 北大核心

摘要: 四川省是我国小麦条锈病菌Puccinia striiformis Westend f.sp.triticiEriks的菌源地和常发区,近10年秋苗病害始见期提前、流行期加长、危害损失呈上升趋势。在实地调查基础上,利用GIS技术对全省132个小麦主产县(市、区)1987—2006年小麦条锈病发生情况进行系统分析。结果表明,四川省小麦条锈病流行区域可划分为川西北越夏区、川西南越夏及冬繁区、盆地冬繁区和川东南春季流行区。GIS软件分析发现病菌孢子在四川盆地内的传播路径为沿岷江、涪江、沱江和嘉陵江等4条河流自北向南、自西向东传播。

分类号: S435.121

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