Antioxidant response of guava (Psidium guajava L. ) genotypes to salinity

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Shamili Mansoore

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Journal Paper

Paper Information

Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2020 | Volume:9 | Issue:36 Page(s): 377-396

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Information Journal Paper

Title

Antioxidant response of guava (Psidium guajava L. ) genotypes to salinity

Author(s)

Shamili Mansoore | Issue Writer Certificate

Keywords

AntioxidantQ1

CarotenoidQ2

ChlorophyllQ2

GuavaQ2

Ion leakageQ1

SalinityQ1

Abstract

Guava, with two bearing seasons, is among economic crops in the south and south-east of Iran. However, the Salinity has adverse affects on development of this plant and thus it is necessary to introduce its tolerant genotypes. Therefore, a factorial experiment in completely randomized design was conducted in Bandar Abbas city during the years 2018-2019 and 15 superior Guava genotypes were treated with sodium chloride (2 and 6 dSm-1 ). Then relative leaf water content, Chlorophyll content, Carotenoid, soluble sugars, Ion leakage, Chlorophyll fluorescence, catalase and peroxidase activities were monitored. In present study, the relative water content and Chlorophyll fluorescence of salt-exposed genotypes was reduced. The content of Chlorophyll (a, b and total) and Carotenoids after salt treatment were significantly decreased. Also, Salinity caused increases in catalase, peroxidase and Ion leakage in most of the genotypes. According to principle component analysis, leaf relative water content, Chlorophyll fluorescence, soluble sugars and Ion leakage accounted for 60. 30 of the total variance. The high content of Chlorophyll, Carotenoids and Antioxidant enzymatic activity grouped G11, G13 and G22 as salt tolerance genotypes. G18, G19 and G25 genotypes were classified as susceptible to salt stress and other genotypes were intermediate.

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APA: Copy

Shamili, Mansoore. (2020). Antioxidant response of guava (Psidium guajava L. ) genotypes to salinity. JOURNAL OF PLANT PROCESS AND FUNCTION, 9(36 ), 377-396. SID. https://sid.ir/paper/377689/en

Vancouver: Copy

Shamili Mansoore. Antioxidant response of guava (Psidium guajava L. ) genotypes to salinity. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2020;9(36 ):377-396. Available from: https://sid.ir/paper/377689/en

IEEE: Copy

Mansoore Shamili, “Antioxidant response of guava (Psidium guajava L. ) genotypes to salinity,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 9, no. 36 , pp. 377–396, 2020, [Online]. Available: https://sid.ir/paper/377689/en

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