SHEN Jie,LIU Mei-yan,WANG Jing-jing,et al.Study on Enhancement of Waterlogging Tolerance of Cucumber Seedlings by 6-BA[J].Northern Horticulture,2012,36(01):18-20.
6-BA浸种提高黄瓜幼苗耐涝性的研究
- Title:
- Study on Enhancement of Waterlogging Tolerance of Cucumber Seedlings by 6-BA
- 文章编号:
- 1001-0009（2012）01-0018-03
- Keywords:
- cucumber; 6-BA; soaking; waterlogging stress
- 分类号:
- S 642.2
- 文献标志码:
- A
- 摘要:
- 以“津研4号”黄瓜为试材，研究了6-BA浸种对淹涝胁迫下黄瓜幼苗根系活力、根系电导率、保护酶活性、乙醇脱氢酶（ADH）活性的影响。结果表明：淹涝使黄瓜幼苗根系活力显著下降，根电导率显著升高，6-BA浸种可延缓淹涝胁迫下黄瓜幼苗根系中的根系活力的降低和根系电导率的升高；淹涝使黄瓜根系的超氧化物歧化酶(SOD)、过氧化物酶(POD)、过氧化氢酶(CAT)、乙醇脱氢酶（ADH）活性均呈先升后降的趋势，6-BA浸种处理可以使淹涝胁迫下的黄瓜在较长时间内维持较高的保护酶和ADH活性，从而提高黄瓜对淹涝胁迫的抵抗能力。
- Abstract:
- ‘Jinyan No.4’ was choosed as material and the seeds were soaked with 6-BA. The root activities,root conductivities,protective enzyme activities and alcohol dehydrogenase enzyme activities of cucumber root under waterlogging stress were studied.The results showed that root activity and root conductivity of cucumber root under flooding stress were significant decreased and significant increased respectively,6-BA soaked could delay root activity decreased and root conductivity increased of cucumber root under waterlogging stress;The activity of superoxide dismutase (SOD),peroxidase (POD),catalase (CAT),alcohol dehydrogenase (ADH) of cucumber roots under waterlogging stress increased first and then decreased,6-BA soaked could lead the protective enzyme and alcohol dehydrogenase enzyme of cucumber under waterlogged to maintain a higher activity in an extended period, and the ability of anti-waterlogging stress of cucumber was increased .
参考文献/References:
[1]王忠.植物生理学[M].北京:中国农业出版社,2000:225-240
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备注/Memo
第一作者简介：申杰（1986-），女，在读硕士，研究方向为植物生理与分子生物学。E-mail: sj19860125@163.com。