贮藏条件对解除休眠水曲柳种子生理特性的影响
[目的]探究贮藏期间水曲柳种子生理指标的变化规律,为水曲柳种子短期干燥贮藏提供理论依据。[方法]以贮藏在-20℃和室温(25℃±2℃)下的含水量 14%水曲柳种子为材料,分别测定种子的电导率、丙二醛、抗氧化酶活性和内源激素含量,选择萌发表现最稳定的含水量 7%种子在-20℃贮藏处理作为对照。[结果]含水量 14%种子在室温下的电导率始终高于其他处理,0 d～180 d 时MDA 含量持续升至4.60 mmol/L,SOD活性呈"S"型变化,GA3…查看全部>>
[Objective]To study the changes of physiological indexes of Fraxinus mandshurica seeds during storage,and to provide theoretical basis for short-term drying storage of F.mandshurica seeds.[Method]The electrical conductivity,malondialdehyde,antioxidant enzyme activity and endogenous hormone contents of 14%F.mandshurica seeds stored at-20℃and room temperature(25℃±2℃)were determined,respectively.The 7%seeds with the most stable germination performance were sele…查看全部>>
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