THE EFFECTS OF SALICYLIC ACID ON THE PEROXIDASE, CATALASE AND POLYPHENOLOXIDASE ACTIVITIES IN POTATO PLANTS INFECTED TO RIZOCTONIA SOLANI

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HADI M.R.; JAFARINIA M.; BALALI G.R.

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Journal: Journal of Molecular and Cellular Researches Year:2016 | Volume:29 | Issue:2 Page(s): 244-255

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Information Journal Paper

Title

THE EFFECTS OF SALICYLIC ACID ON THE PEROXIDASE, CATALASE AND POLYPHENOLOXIDASE ACTIVITIES IN POTATO PLANTS INFECTED TO RIZOCTONIA SOLANI

Author(s)

HADI M.R. | JAFARINIA M. | BALALI G.R. | Issue Writer Certificate

Keywords

POTATOQ2

SALICYLIC ACIDQ2

RHIZOCTONIA SOLANIQ1

PEROXIDASEQ2

CATALASEQ1

Abstract

This study was carried out to evaluate the effects of SALICYLIC ACID on the PEROXIDASE, CATALASE and polyphenoloxidase activities in POTATO Agria cultivar for reducing the pathogenesis of RHIZOCTONIA SOLANI under greenhouse conditions. The POTATO minitubers (without any infection) were transferred to pots containing soil steril for growth. The sterilized soil of pots had infected by R. solani two weeks before planting. The 4 weeksold plants (7-8 leaves) have been treated by 0.1, 0.2, 0.5 and 1 mM SALICYLIC ACID every week for 4 times. Results showed that as SALICYLIC ACID increased, polyphenoloxidase activities were increased in POTATO plants (healthy and infected) whereas were decreased PEROXIDASE and CATALASE activities under the same conditions. On the other hand, it seems that due to decreased activites of CATALASE and PEROXIDASE and production of reactive oxygen species (H2O2, OH-, O2-) which are toxic for fungi, so POTATO plants can be resistance to R. solani. Also, it seems that to increase polyphenoloxidase activity, defensive mechanisms such as lignification and build bridges transverse hydroxyproline in root cell walls cause strengthen in the root tissues, so POTATO plants can be resistance0020against R. solani.

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APA: Copy

HADI, M.R., JAFARINIA, M., & BALALI, G.R.. (2016). THE EFFECTS OF SALICYLIC ACID ON THE PEROXIDASE, CATALASE AND POLYPHENOLOXIDASE ACTIVITIES IN POTATO PLANTS INFECTED TO RIZOCTONIA SOLANI. JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 29(2 ), 244-255. SID. https://sid.ir/paper/248518/en

Vancouver: Copy

HADI M.R., JAFARINIA M., BALALI G.R.. THE EFFECTS OF SALICYLIC ACID ON THE PEROXIDASE, CATALASE AND POLYPHENOLOXIDASE ACTIVITIES IN POTATO PLANTS INFECTED TO RIZOCTONIA SOLANI. JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2016;29(2 ):244-255. Available from: https://sid.ir/paper/248518/en

IEEE: Copy

M.R. HADI, M. JAFARINIA, and G.R. BALALI, “THE EFFECTS OF SALICYLIC ACID ON THE PEROXIDASE, CATALASE AND POLYPHENOLOXIDASE ACTIVITIES IN POTATO PLANTS INFECTED TO RIZOCTONIA SOLANI,” JOURNAL OF MOLECULAR AND CELLULAR RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 29, no. 2 , pp. 244–255, 2016, [Online]. Available: https://sid.ir/paper/248518/en

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