FANG Jing.Effect of High Voltage Electric Field on Germination of Cucumber Seeds Under Drought Stress[J].Northern Horticulture,2014,38(13):41-43.
高压电场对干旱胁迫下黄瓜种子萌发的影响
- Title:
- Effect of High Voltage Electric Field on Germination of Cucumber Seeds Under Drought Stress
- 文章编号:
- 1001-0009(2014)13-0041-03
- 分类号:
- S 642.2
- 文献标志码:
- B
- 摘要:
- 以“津春2号”黄瓜种子为试材，研究了不同强度的高压电场（100、200、300、400 kV/M）〖JP3〗及PEG6000模拟干旱胁迫处理对黄瓜种子萌发的影响。结果表明：干旱胁迫时电场处理能提高黄瓜种子的发芽率、鲜重、萌发指数和活力指数；萌发期黄瓜种子的超氧化物歧化酶(SOD)、过氧化物酶（POD）活性、过氧化氢酶（CAT）活性显著高于对照，膜脂过氧化产物丙二醛（MDA）含量降低；电场处理后酶活性的提高可能是静电场促进干旱条件下种子萌发的原因之一。
- Abstract:
- Taking‘Jinchun No.2’cucumber seed as materials，the effect of different strength high voltage electric field（100，200，300，400 kV/M）and drought stress simulated by PEG6000 on influnce of cucumber seeds germination were studied.The results showed that germination rate，fresh weight，germination index and vigor index of cucumber seeds in drought stress were improved by using high voltage electric field，activity of SOD，POD and CAT of cucumber seeds during germination were significantly higher than control，and MDA was decreased.The experiment deduced that electrostatic field which could improve enzyme activity was played an important role in seed germination under drought stress.
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备注/Memo
作者简介：方晶（1969-），女，邢台威县人，本科，讲师，现主要从事物理科技等教学与研究工作。