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石榴枯萎病病害分级标准研究
引用本文:邓吉,陆进,李健强,潘俊,朱春雨,吴新平.石榴枯萎病病害分级标准研究[J].中国农业科学,2005,38(12):2440-2445.
作者姓名:邓吉  陆进  李健强  潘俊  朱春雨  吴新平
作者单位:1. 中国农业大学农学与生物技术学院,北京,100094
2. 云南蒙自县植保植检站,蒙自,661100
3. 云南蒙自县新安所镇农业综合服务中心,蒙自,661106
4. 农业部农药检定所,北京,100026
基金项目:中国农业大学科技处专项研究基金、农业部农药检定所农药田间药效试验准则编制项目和教育部新世纪人才支持计划(NECT-04-0128)致谢:感谢云南省、红河州和蒙自县科技管理部门的支持;中国农业大学理学院刘亚佳、蒙自县植检站朱丈棣、张丈华等参与部分调查,中国农业科学院马存研究员、云南农业大学刘云龙教授为本文提出修改意见,谨此致谢!
摘    要: 石榴枯萎病是最新报道在云南蒙自近年来发生和危害日益加剧的一种新病害。作者在石榴盛花期和采收期进行了田间普查,同时以10个石榴园中包括健康和病害严重程度不同的总计240棵石榴树为调查对象进行了详实的采样、数据测定和数码照相记录,在病害危害症状归类、图象分析、数据统计与拟合、文献追踪和咨询专家的基础上,首次从定性和定量角度研究并提出了石榴主干基部病斑总宽度与主干基部周长的宽度比R,并以该参数区分石榴枯萎病9级严重程度的病害分级标准。该分级标准的制定在石榴抗枯萎病品种选择和药剂防控病害田间效果评价等相关研究中具有参考应用的价值。

关 键 词:石榴枯萎病  危害程度  分级标准
收稿时间:09 21 2005 12:00AM
修稿时间:2005-09-21

Severity Scale System of Pomegranate Wilt Disease Caused by Ceratocystis fimbtiata Ellis & Halst
DENG Ji,LU Jin,LI Jian-qiang,PAN Jun,ZHU Chun-yu,WU Xin-ping.Severity Scale System of Pomegranate Wilt Disease Caused by Ceratocystis fimbtiata Ellis & Halst[J].Scientia Agricultura Sinica,2005,38(12):2440-2445.
Authors:DENG Ji  LU Jin  LI Jian-qiang  PAN Jun  ZHU Chun-yu  WU Xin-ping
Institution:1.College of Agriculture and Bio-technology, China Agricultural University, Beijing 100094; 2 .Plant Protection and Quarantine Station of Mengzi County, Yunnan Province, Mengzi 661100; 3. Comprehensive Agricultural Service Centre ofXin An-suo Town in Mengzi County, Yunnan Province, Mengzi 661108; 4 .Institute for the Control of Agrochemicals, Ministry of Agriculture, Beijing 100026
Abstract:The pomegranate wilt is a kind of new plant disease occurred in Mengzi County of Yunnan Province and is aggravating in recent years. General field investigation, sample collection, vision analysis, and experts consultation on the disease were carried out on total of 240 pomegranate trees in 5 orchards during two growing seasons. Based on the data collected on emergence and symptoms of pomegranate wilt, the authors proposed a severity scale system of the disease according to the ratio (R) of the spread of wilt in trunk base to the width of trunk base. The system contains nine grades in disease severity. This system is useful to selection of disease-resistance pomegranate species and evaluation of protective reagents against the wilt in field trials.
Keywords:Wilt of pomegranate  Disease severity  Severity scale system
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