华北农学报 ›› 1999, Vol. 14 ›› Issue (3): 49-54. doi: 10.3321/j.issn:1000-7091.1999.03.010

所属专题: 小麦 抗旱节水 栽培生理

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离体小麦叶片干旱胁迫过程中水分生理性状的变化

马瑞昆, 贾秀领, 蹇家利, 刘淑贞   

  1. 河北省农林科学院粮油作物研究所, 石家庄 050031
  • 出版日期:1999-09-28
  • 基金资助:
    河北省自然科学基金

Changes in Water Physiological Traits During Drought Stress on Detached Wheat Leaf

Ma Ruikun, Jia Xiuling, Jian Jiali, Liu Shuzhen   

  1. Institute of Cereal and Oil Crops, Hebei Academy of Agricultural and Forestry Sciences, Shijiazhuang 050031
  • Published:1999-09-28

摘要: 1990、1991和1993三个年度应用不同基因型、供水、密度和施氮水平在不同生育期对小麦叶片离体失水过程中叶水势、自由水和束缚水含量及相对电导率等水分生理性状指标变化进行了同步测定分析。研究发现,随离体叶片水分胁迫增强,离体叶片失水速率的变化与其它水分生理性状的变化基本一致.研究还表明,在失水过程中束缚水含量增加,且基因型间存在差异,可能影响离体叶片失水过程。

关键词: 小麦, 离体叶片, 干旱胁迫, 水分生理性状

Abstract: When detached wheat leaves were subjected to drought stress by water loss, the changes in some water physiological traits were simultaneously analyzed by using wheat genotypes under different water regimes, planting densities and nitrogen levels in 1990, 1991and 1993. It was found that the change in RWL with time was in agreement with that of leaf water potential, relative electric conductivity, RWC and free water content. Varying increase in bound water content differing in genotypes was found during water loss of excised leaves.

Key words: Winter wheat, Excised leaf, Drought stress, Water physiological trait

引用本文

马瑞昆, 贾秀领, 蹇家利, 刘淑贞. 离体小麦叶片干旱胁迫过程中水分生理性状的变化[J]. 华北农学报, 1999, 14(3): 49-54. doi: 10.3321/j.issn:1000-7091.1999.03.010.

Ma Ruikun, Jia Xiuling, Jian Jiali, Liu Shuzhen. Changes in Water Physiological Traits During Drought Stress on Detached Wheat Leaf[J]. ACTA AGRICULTURAE BOREALI-SINICA, 1999, 14(3): 49-54. doi: 10.3321/j.issn:1000-7091.1999.03.010.