LIU Gao-feng.Efficiency of Cucumber Resistance Induced by ABA to Pseudoperonospora cubensis[J].Northern Horticulture,2012,36(02):146-148.
脱落酸诱导黄瓜对霜霉病的抗性研究
- Title:
- Efficiency of Cucumber Resistance Induced by ABA to Pseudoperonospora cubensis
- 文章编号:
- 1001-0009（2012）02-0146-03
- 分类号:
- S 642204+3
- 文献标志码:
- A
- 摘要:
- 以“新泰密刺”黄瓜为试材，选用5、10、20、30、40 mg/L的脱落酸(ABA)处理黄瓜幼苗，研究外源ABA对黄瓜抗霜霉病的影响。结果表明：适当浓度ABA处理可诱导黄瓜抗霜霉病，降低病情指数，诱导叶片防御酶POD、SOD、PAL、PPO活性升高。其中10 mg/L浓度处理表现效果最好；诱导抗性可持续8 d以上，第4天防御酶活性均高于第8天。
- Abstract:
- The induced resistance to Pseudoperonospora cubensis was conducted on cucumber treated with different concentrations of exogenous ABA.The results showed the treatments with suitable concentrations of exogenous ABA reduced the disease index,and increased protective enzyme activities(POD,SOD,PAL,PPO).The treatment of 10 mg/L ABA had the best effect on the induced resistance which could maintain more than 8 days,and the effect of the forth day was better than that of the eighth day.
参考文献/References:
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备注/Memo
作者简介：刘高峰（1979-），男，硕士，讲师，现主要从事植物生理与病理学教学与科研工作。E-mail:yllgf2006@126.com。