冬小麦叶片中过氧化氢水平的突然升高是由冷处理引起的。
Abrupt increase in the level of hydrogen peroxide in leaves of winter wheat is caused by cold treatment.
作者信息
Okuda T, Matsuda Y, Yamanaka A, Sagisaka S
机构信息
The Institute of Low Temperature Science, Hokkaido University, Sapporo 060, Japan.
出版信息
Plant Physiol. 1991 Nov;97(3):1265-7. doi: 10.1104/pp.97.3.1265.
Abstract
After cold treatment of seedlings of winter wheat (Triticum aestivum L.), levels of hydrogen peroxide in the leaves were measured. The concentration of hydrogen peroxide increased to about three times the control level within a few minutes, and returned to the normal level in 15 to 20 minutes. The elevated level of hydrogen peroxide was found to be equivalent to 1.5 micromoles per gram fresh weight tissues of leaves.
摘要
对冬小麦（普通小麦）幼苗进行冷处理后，测定了叶片中过氧化氢的含量。过氧化氢浓度在几分钟内增加到对照水平的约三倍，并在15至20分钟内恢复到正常水平。发现过氧化氢水平的升高相当于每克叶片鲜重组织1.5微摩尔。
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