Acta Agrestia Sinica

Acta Agrestia Sinica ›› 2017, Vol. 25 ›› Issue (3): 680-684.DOI: 10.11733/j.issn.1007-0435.2017.03.035

Previous Articles    

Investigation and Analysis on Alfalfa Disease after Cutting in Heilongjiang Province

LIU Xiang-ping, YANG Zhi-ming, NIE Ying-ying, LI Guo-liang   

  1. College of Animal Science & Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang Province 163319, China
  • Received:2016-05-16 Revised:2016-12-14 Online:2017-06-15 Published:2017-08-29

黑龙江省刈割后苜蓿病害现状调查与分析

刘香萍, 杨智明, 聂莹莹, 李国良   

  1. 黑龙江八一农垦大学动物科技学院, 黑龙江 大庆 163319
  • 作者简介:刘香萍(1979-),女,黑龙江肇东人,博士,副教授,E-mail:187247053@qq.com
  • 基金资助:

    黑龙江省应用技术研究与开发计划项目（GC13B411）；黑龙江省农垦总局科研项目（HNK125B-12-06）；黑龙江八一农垦大学学成、引进人才科研启动计划（XZR2014-07）资助

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Abstract:

In order to find out the present situation of alfalfa(Medicago sativa L.)disease after cutting in Heilongjiang Province, we have investigated and analyzed on it. The results showed that disease infection rate of alfalfa was 95.17%~100.00%, and showed the tendency of increase gradually from northwestern to southeast. The disease distribution of alfalfa leptasphaerulina leaf spot was 60.42%~87.50%, and the disease index was 14.52%~20.97%. The disease distribution of alfalfa common leaf spot was 96.13%~100.00%, and the disease index was 31.11%~38.66%. The disease distribution of alfalfa rust disease was 5.97%~23.89%, and the disease index was 2.07%~8.29%.

Key words: Alfalfa, Disease, Heilongjiang Province

摘要：

为了明确黑龙江省苜蓿（Medicago sativa L.）刈割后病害的现状，对其进行了调查与分析。结果表明：苜蓿病害率为95.17%~100.00%，整体呈现西北部低于东南部。其中，苜蓿小光壳病发病率主要在60.42%~87.50%范围之内，病情指数为14.52%~20.97%；苜蓿褐斑病主要发病率为96.13%~100.00%，病情指数为31.11%~38.66%；苜蓿锈病主要发病率在5.97%~23.89%之间，病情指数为2.07%~8.29%。

关键词: 苜蓿, 病害, 黑龙江省

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