棉花铃病的发生规律及防治措施

• 作 者: 文学
• 机 构: 中国农科院科研部,
• 出 处: 农业科技通讯
• 发表日期: 1992年07期
• 关键词: 烂铃 棉花高产 重病田 稳产 棉铃 红腐 棉株生长 地膜棉 结铃期 缩节胺

棉花铃病在我国南、北方棉区均有不同程度的发生和危害,直接影响棉花的产量与品质。据棉花铃病联合调查组1984～1985年调查,全国棉花烂铃率为10～30%,重病田高达40%以上,估计全国棉花因烂铃造成的损失约10～30%。因此,防止棉花铃病的发生和为害是保证棉花高产、稳产的一个重要环节。

Cotton bollworm occurred in different extents and harms in south and north cotton areas of our country and directly affected the yield and quality of cotton. According to a survey conducted by the Joint Investigation Team for Cotton Boll Disease, from 1984 to 1985, the rate of rotten boll bolls in the country was 10-30% and that for severe diseases was as high as 40% or more. The estimated loss of cotton caused by rotten bolls in the whole country is about 10-30%. Therefore, to prevent the occurrence of cotton bollworm and damage is to ensure high yield and stable yield of cotton is an important part.