Acta Agrestia Sinica

Acta Agrestia Sinica ›› 1997, Vol. 5 ›› Issue (3): 175-180.DOI: 10.11733/j.issn.1007-0435.1997.03.005

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A Preliminary Study on the Epidemic Pattern of Ryegrass Rust(Puccinia coronate)

Zhao Meiqi1, Xiao Yueyan1, Chen Heming1, Liu Taiyong2, Huang Fenglu2   

  1. 1. China Agricultural University, Beijing 100094;
    2. Grass Station of Nanshan State Farm, Chengbu 422512
  • Online:1997-08-15 Published:1997-08-15

黑麦草冠锈病流行规律的初步研究

赵美琦1, 肖悦岩1, 陈合明1, 刘太勇2, 黄风禄2   

  1. 1. 中国农业大学, 北京 100094;
    2. 湖南省城步县南山牧场草场站, 湖南省 城步县 422512
  • 基金资助:
    八五国家科技攻关项目85-11-02-02

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Abstract: The ryegrass rust (Puccinia coronate) may infect many grasses, particulary ryegrass.A systematic investigation from 1992 to 1994 has made cleary that the regular season pattern ekisted in field of rye grass rust and there were two disease peaks in a year.Temperature and humidity are the major epidemic factors when abundant rain and humidity and low sunshine, the disease is epidemic.

Key words: Ryegrass, Puccinia coroate, Epidemic, Major epidemic factor

摘要： 黑麦草冠锈病是由禾冠柄锈菌所致,除危害黑麦草外还可侵染多种禾本科牧草。经1992－1994年系统调查,初步明确冠锈病的田间流行有明显的季节性变化,全年有两个发病高峰。在带菌奇主大量存在和雨量充沛多雾少日照的环境条件下,温度是影响病害流行的主导因素。

关键词: 黑麦草, 冠锈病, 流行, 主导因素