Efficiency of Cucumber Resistance Induced by ABA to Pseudoperonospora cubensis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Efficiency of Cucumber Resistance Induced by ABA to Pseudoperonospora cubensis

Author(s):: LIU Gao-feng; Department of Landscape Engineering,Heze College,Heze,Shandong 274000

Keywords:: absicsic acid; cucumber; Pseudoperonospora cubensis; induced resistance

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.

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Last Update: 2014-08-24