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生态学杂志 ›› 1989, Vol. ›› Issue (2): 38-40,45.

• 专论与综述 • 上一篇    下一篇

浅谈农田生态与水稻病虫害之关系

谭荫初   

  1. 湖南省农业科学院植物保护研究所
  • 收稿日期:1987-09-27 修回日期:1987-12-02 出版日期:1989-04-10

Relations between Farmland Ecological Factors and Rice Diseases and Pests

Tan Yinchu   

  1. Institute of Plant Protection, Hunan Academy of Agricultural Sciences
  • Received:1987-09-27 Revised:1987-12-02 Online:1989-04-10

关键词: 紫花苜蓿, 品种, 根系生物量, 根系分布

Abstract: The main farmland ecological factors affecting population constitution of rice diseases and pests in Hunan province include the reform of cropping systems,the improvement of cultural practices and the renewal of rice varieties.Among which, the first is the main factor, the second is an important condition,and the last is the material base.From now on integrated management should be strengthened to improve the farmland ecological conditions and reduce the discase and pest damages.

Key words: Alfalfa, Cultivar, Root system biomass, Root system distribution