Effect of Salt Stress on Physiological Responses of Four Citrus Rootstock Plantlets under In vitro Condition

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Rostamian Laleh; CHALAVI VIDA; SADEGHI HOSEIN

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2020 | Volume:21 | Issue:4 Page(s): 447-458

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Title

Effect of Salt Stress on Physiological Responses of Four Citrus Rootstock Plantlets under In vitro Condition

Author(s)

Rostamian Laleh | CHALAVI VIDA | SADEGHI HOSEIN | Issue Writer Certificate

Keywords

Ion leakageQ2

lipid PeroxidationQ3

relative water contentQ1

sodium chlorideQ1

tissue cultureQ1

Abstract

Salinity is one of the problems citrus production faces around the world, and the tolerance or resistance mechanism of citrus rootstocks to salinity is not well known. This study investigates the physiological responses of four citrus rootstocks, namely Sour orange (Citrus aurantium L. ), Poncirus (Poncirus trifoliate Raf. ), Citromelo (Citrumelo), and Citrange (Citranges), to salinity stress in a factorial experiment, based on completely randomized design under in vitro conditions. The explants are prepared from all four rootstocks and transferred in a Murashige and Skoog (MS) solid culture medium, containing 8. 9 μ M BA and 0. 5 μ M NAA with different concentrations of sodium chloride (0, 50, 100, and 200 mM) in three replications. Based on the obtained results, fresh and dry weight of plantlets, water content, leakage, and photosynthetic pigments such as chlorophyll a, chlorophyll b, and carotenoid have had a negative correlation with salinity concentration and concentration of sodium ion in the tissue of the leaves. Although leakage increases by increasing concentration of sodium chloride on all four rootstocks, the sour orange rootstock statistically showed the least leakage as compared to other rootstocks. In all salinity treatments, the amount of rootstocks photosynthetic pigment reductions has been statistically significant (p ≤ 0. 01) in comparison to the control. Among the tested rootstocks, the amount of photosynthetic pigments in the Citrange rootstock surpassed that of other rootstocks. In conclusion, Citrange and Sour orange rootstocks show better resistance to the damages, caused by salt stress.

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APA: Copy

Rostamian, Laleh, CHALAVI, VIDA, & SADEGHI, HOSEIN. (2020). Effect of Salt Stress on Physiological Responses of Four Citrus Rootstock Plantlets under In vitro Condition. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 21(4 ), 447-458. SID. https://sid.ir/paper/209384/en

Vancouver: Copy

Rostamian Laleh, CHALAVI VIDA, SADEGHI HOSEIN. Effect of Salt Stress on Physiological Responses of Four Citrus Rootstock Plantlets under In vitro Condition. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2020;21(4 ):447-458. Available from: https://sid.ir/paper/209384/en

IEEE: Copy

Laleh Rostamian, VIDA CHALAVI, and HOSEIN SADEGHI, “Effect of Salt Stress on Physiological Responses of Four Citrus Rootstock Plantlets under In vitro Condition,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 21, no. 4 , pp. 447–458, 2020, [Online]. Available: https://sid.ir/paper/209384/en

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