湖北农业科学 ›› 2019, Vol. 58 ›› Issue (11): 28-30.doi: 10.14088/j.cnki.issn0439-8114.2019.11.007

• 育种·栽培 • 上一篇    下一篇

再生稻丰两优香1号头季稻倒伏原因浅析

陈义1, 王良军2, 罗斌斌2, 杨姣3, 刘绪红3   

  1. 1.当阳市植物保护站,湖北 当阳 444100;
    2.当阳市农业技术推广中心,湖北 当阳 444100;
    3.当阳市农产品监督检验检测站,湖北 当阳 444100
  • 收稿日期:2019-01-17 出版日期:2019-06-10 发布日期:2019-12-05
  • 作者简介:陈义(1969-),男,湖北当阳人,高级农艺师,主要从事农技推广、农业科教等工作,(电话)18071307263(电子信箱)kjk222@163.com。

A brief analysis on the reasons of lodging in the first season of ratooning rice variety Fengliangyouxiang No.1

CHEN Yi1, WANG Liang-jun2, LUO Bin-bin2, YANG Jiao3, LIU Xu-hong3   

  1. 1.Dangyang Plant Protection Station,Dangyang 444100,Hubei,China;
    2.Dangyang Agricultural Technology Extension Center,Dangyang 444100,Hubei,China;
    3.Dangyang Supervision and Inspection Station of Agricultural Products,Dangyang 444100,Hubei,China
  • Received:2019-01-17 Online:2019-06-10 Published:2019-12-05

摘要: 湖北省当阳市水稻再生稻面积已由点片种植向成片发展,两河镇胡场村五组连片种植的再生稻品种丰两优香1号头季稻进入黄熟期即收获前15 d左右,出现由北向南向一侧全部覆地倒伏,经过实地调查,对连片倒伏田块和连片未倒伏田块的植株进行了测量和分析。结果表明,倒伏与栽培方式有关,即抛秧栽培易引起倒伏,机插秧相对抗倒。倒伏的发生主要与根颈粗度、地上伸长节间数、穗粒数等因素有直接关系。

关键词: 再生稻, 丰两优香1号, 头季稻倒伏, 原因, 对策

Abstract: Ratooning rice in Dangyang city, Hubei province, has been developed fromspot planting to adult planting. Ratooning rice variety Fengliangyouxiang No.1 has appeared lodging with all of plants fell on the ground from north to south side when rice was into yellow ripeness stage(15 days before harvest) in five groups of Huyang village, Lianghe Town. Through field investigation, the characters of plants in lodging field and unlodgingfield were measured and analyzed. The results showed that lodging was related to cultivation pattern, throwing transplantation caused lodging easily, and machine planting was resistant to lodging. The occurrence of lodging was directly related to the root neck thickness, the number of overground elongation joints, the number of grains per spike and other factors.

Key words: ratooning rice, Fengliangyouxiang No.1, lodgingin in the first season, reason, countermeasures

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