欢迎访问《中国农学通报》,

中国农学通报 ›› 2005, Vol. 21 ›› Issue (11): 110-110.

所属专题: 烟草种植与生产

• 目次 • 上一篇    下一篇

揭膜和不揭膜对烤烟叶片结构的影响

赵光伟,孙广玉   

  • 出版日期:2005-11-05 发布日期:2005-11-05

Effects of Polyethylene Mulch on Anatomical Structure in Leaves of Flue-Cured Tobacco

Zhao Guangwei, Sun Guangyu   

  • Online:2005-11-05 Published:2005-11-05

摘要: 采用石蜡切片的方法研究了不同覆盖处理的烤烟叶片解剖结构。研究结果表明,揭膜和不揭膜主要影响到中下部叶片的厚度,7月28日测定时,揭膜的叶片厚度比不揭膜的处理提高了25.88%,叶片厚度的增加主要是海绵组织厚度和栅栏组织厚度的增加。不揭膜的烤烟叶片的栅栏组织厚度变化比较有规律,均是随着叶位的上升而变薄;而揭膜的叶片到第二次测定时是中间的叶片最厚,下部叶片栅栏组织厚度与上部叶相差不大,说明揭膜后烤烟叶片的发育期提前了。所以,要根据黑龙江烟区的气候特点,在夏季气温较高时,适时揭膜。

Abstract: This study was conducted, using the method of slices of paraffin wax, to investigate anatomical structures in leaves of flue-cured tobacco treated with applying polyethylene mulch and taking off polyethylene mulch after transplanting. The result showed tha