Evaluation of biochemical changes and enzymatic activity of sunflower (Helianthus annuus L. ) susceptible and resistant lines in response to Sclerotinia disease

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DARVISHZADEH R.; ARJOMANDI N.; NAJAFZADEH R.; HEYDARI R.

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Journal: Journal of Plant Research Year:2018 | Volume:31 | Issue:3 Page(s): 668-681

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Title

Evaluation of biochemical changes and enzymatic activity of sunflower (Helianthus annuus L. ) susceptible and resistant lines in response to Sclerotinia disease

Author(s)

DARVISHZADEH R. | ARJOMANDI N. | NAJAFZADEH R. | HEYDARI R. | Issue Writer Certificate

Keywords

SunflowerQ2

SclerotiniaQ2

Lipid peroxidationQ1

Enzymatic activity and ResistanceQ2

Abstract

Sclerotinia is important fungal disease of Sunflower in Iran that affects its yield. So, evaluation of phenotypic and molecular reaction of genotypes to agent of disease is particular importance to producing resistant hybrid cultivars. In this study, biochemical and enzymatic changes of Sunflower lines (C39 and C100) were studied during different times after inoculation of the lines with Sclerotinia fungal isolates (SSU107 and SSKH41) under controlled conditions as a factorial based on completely randomized design (CRD). For this purpose, characteristics such as lipids peroxidation and accumulation of malon dialdehyde (MDA), antioxidant enzymes' activity like catalase (CAT), ascorbate peroxidase (APX) and guaiacol peroxidase (GPX) were studied. The results showed that Sclerotinia disease increased the biochemical and enzymatic changes of the plants infected with fungal isolates. Resistant and susceptible lines also showed a different response to the disease, so that the accumulation of MDA in resistant lines decreased, the least of which was observed in resistant line C39 inoculated with SSU107. In addition ascorbate peroxidase and guaiacol peroxidase enzymes' activities were more in resistant and susceptible lines, respectively. So, the APX enzymatic activity increased in the line C39 and the GPX enzymatic activity increased in the line C100 after inoculation with SSU107 fungal isolate. According to the results of this study, the line C39 showed good partial resistance, because of the lowest level of Lipid peroxidation and the highest enzymatic activities that causes resistance mechanism of plant against pathogens. The founding of this study can be useful in Sunflower breeding programs for producing cultivars resistance to Sclerotinia disease.

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APA: Copy

DARVISHZADEH, R., ARJOMANDI, N., NAJAFZADEH, R., & HEYDARI, R.. (2018). Evaluation of biochemical changes and enzymatic activity of sunflower (Helianthus annuus L. ) susceptible and resistant lines in response to Sclerotinia disease. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), 31(3 ), 668-681. SID. https://sid.ir/paper/361409/en

Vancouver: Copy

DARVISHZADEH R., ARJOMANDI N., NAJAFZADEH R., HEYDARI R.. Evaluation of biochemical changes and enzymatic activity of sunflower (Helianthus annuus L. ) susceptible and resistant lines in response to Sclerotinia disease. JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY)[Internet]. 2018;31(3 ):668-681. Available from: https://sid.ir/paper/361409/en

IEEE: Copy

R. DARVISHZADEH, N. ARJOMANDI, R. NAJAFZADEH, and R. HEYDARI, “Evaluation of biochemical changes and enzymatic activity of sunflower (Helianthus annuus L. ) susceptible and resistant lines in response to Sclerotinia disease,” JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY), vol. 31, no. 3 , pp. 668–681, 2018, [Online]. Available: https://sid.ir/paper/361409/en

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