Effect of salinity stress on some physiological traits of selected citrus seedlings and identification of tolerant genotypes

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Etehadpour Marzieh; Fatahi Moghadam reza; ZAMANI ZABIHOLLAH; GOLEIN BEHROOZ; NAGHAVI MOHAMMAD REZA

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Journal: Iranian Journal of Horticultural Science Year:2019 | Volume:50 | Issue:2 Page(s): 421-433

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Title

Effect of salinity stress on some physiological traits of selected citrus seedlings and identification of tolerant genotypes

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Keywords

Antioxidant enzymesQ1

chlorophyllQ1

‘Cleopatra’mandarinQ1

malondialdehydeQ1

tolerant genotypesQ1

Abstract

In order to identify salinity tolerant genotypes, seedlings of tolerant and susceptible genotypes named ‘ Cleopatra’ mandarin and ‘ Troyer’ citrange, and some screened citrus genotypes to salinity (sum of 28 genotypes) from Citrus Research Institutes of Ramsar and Darab were assessed. Three levels of sodium chloride including 0, 40 and 90 mM were applied on eight months seedlings for 12 weeks under greenhouse conditions in a factorial experiment based on completely randomized design with three replications. Physiological traits including chlorophylls a and b, proline, lipid peroxidation, enzyme activity of superoxide dismutase, ascorbate peroxidase and catalase, total protein and quantum yield of photosystem Π were studied. The results of physiological traits showed that salinity reduced the chlorophyll a and b, total protein, quantum yield of photosystem II, ascorbate peroxidase activity and catalase activity in studied genotypes. In this study, proline content, malondialdehyde concentration and superoxide dismutase activity increased under salt stress. Genotypes G8, G44 (sour orange), G19, G25 and G42 (bergamot) in several traits including chlorophyll content, lipid peroxidation, proline content and enzymes activity were better than others. G8 genotype was better than salinity tolerant cultivar, ‘ Cleopatra’ , in some traits. Consequently, mentioned genotypes could be considered as tolerant or semi-tolerant genotypes for further research or practical purposes.

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APA: Copy

Etehadpour, Marzieh, Fatahi Moghadam, reza, ZAMANI, ZABIHOLLAH, GOLEIN, BEHROOZ, & NAGHAVI, MOHAMMAD REZA. (2019). Effect of salinity stress on some physiological traits of selected citrus seedlings and identification of tolerant genotypes. IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 50(2 ), 421-433. SID. https://sid.ir/paper/148320/en

Vancouver: Copy

Etehadpour Marzieh, Fatahi Moghadam reza, ZAMANI ZABIHOLLAH, GOLEIN BEHROOZ, NAGHAVI MOHAMMAD REZA. Effect of salinity stress on some physiological traits of selected citrus seedlings and identification of tolerant genotypes. IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2019;50(2 ):421-433. Available from: https://sid.ir/paper/148320/en

IEEE: Copy

Marzieh Etehadpour, reza Fatahi Moghadam, ZABIHOLLAH ZAMANI, BEHROOZ GOLEIN, and MOHAMMAD REZA NAGHAVI, “Effect of salinity stress on some physiological traits of selected citrus seedlings and identification of tolerant genotypes,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 50, no. 2 , pp. 421–433, 2019, [Online]. Available: https://sid.ir/paper/148320/en

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