GUO Sijia,ZHU Yufei,LIU Dongyun.Effect of Drought Stress on Morphological and Physiological Characteristics of Fragaria orientalis[J].Northern Horticulture,2015,39(13):40-43.[doi:10.11937/bfyy.201513011]
干旱胁迫对东方草莓形态及生理指标的影响
- Title:
- Effect of Drought Stress on Morphological and Physiological Characteristics of Fragaria orientalis
- 文章编号:
- 1001-0009（2015）13-0040-04
- Keywords:
- Fragaria orientalis; drought stress; physiological index
- 分类号:
- S 668.4
- 文献标志码:
- A
- 摘要:
- 以东方草莓为试材，研究了干旱胁迫下东方草莓形态学指标变化、土壤含水量、叶片含水量、超氧化物歧化酶(SOD)活性、过氧化物酶(POD)活性、丙二醛(MDA)含量、膜相对透性、脯氨酸含量以及可溶性蛋白质含量的变化，以了解东方草莓对干旱胁迫的适应性。结果表明：东方草莓对干旱胁迫具有较强的忍耐力。干旱胁迫25 d后，SOD活性、POD活性、MDA含量、相对电导率、脯氨酸含量和可溶性蛋白质含量均呈现了不断增加的趋势，且分别比对照高出了46.60%、53.05%、60.00%、79.61%、55.07%、57.14%。
- Abstract:
- Taking Fragaria orientalis as test material，the morphological indexes variation，together with the water content of soil，the water content of leaf,the activity of the super oxide dismutase(SOD),the activity of the peroxidase(POD),the content of the malondialdehyde(MDA),the relative permeability of membrane，the content of proline and the content of soluble protein under drought stress were researched,in order to investigate the adaptation of Fragaria orientalis to drought stress.The results showed that Fragaria orientalis had strong tolerance to drought stress.After 25 days of drought stress，the activities of SOD and POD,the MDA content，the relative conductivity,the content of proline and the content of soluble protein showed a continuous increase trend and were 46.60%,53.05%,60.00%,79.61%,55.07%,57.14% higher respectively than that of the control.
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备注/Memo
第一作者简介：郭思佳（1989-），女，河北张家口人，硕士研究生，研究方向为园林植物资源与应用。E-mail：1244172467@qq.com.责任作者：刘冬云（1971-），女，河北赞皇人，硕士生导师，现主要从事百合遗传育种等研究工作。E-mail：dongyunliu@hebau.edu.cn.基金项目：河北省教育厅资助项目（2010253）。