Investigation the effect of humic acid on some morphhophysiological and biochemical characteristics of almond rootstocks under salinity stress

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Hatami Elnaz; SHOKOUHIAN ALI AKBAR; GHANBARI ALIREZA; NASERI LOTFALI

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Journal: Iranian Journal of Horticultural Science Year:2020 | Volume:51 | Issue:3 Page(s): 523-536

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Title

Investigation the effect of humic acid on some morphhophysiological and biochemical characteristics of almond rootstocks under salinity stress

Author(s)

Hatami Elnaz | SHOKOUHIAN ALI AKBAR | GHANBARI ALIREZA | NASERI LOTFALI | Issue Writer Certificate

Keywords

Element concentrationQ1

humic acidQ1

NaClQ2

Prunus dulcis Mill.Q1

stomatal conductivityQ1

Abstract

Choosing suitable feed sources remove the problems of salinity from the plant. For this purpose, an experiment as factorial was conducted in a RCBD with three replications at the University of Mohaghegh Ardabili during 2015-16. The first factor was humic acid (HA) application at four levels: (0, 2. 5, 5 and 7 kgha-1), the second factor was salinity at four levels: (0, 60, 120 and 180mM NaCl) and the third factor was two-years old almond rootstocks seedling at two levels (GF677 and GN15). Results showed that with increasing salinity, root/stem dry weight increased, especially in GF677, Na+ and Cl– and SI increased, especially in GN15 and SLA, K+ and N, leaf osmotic potential, gs, Pn and T were decreased, especially in GN15. Carbohydrates increased to 120mM NaCl, especially in GF677 and then decreased. GF677 with an increase in HA up to 5 kgha-1, in the salinity of 180mM NaCl, with the highest root/stem dry weight and SLA, the lowest Na+ and Cl-and the highest K+ and N of leaf had the highest leaf osmotic potential (-1. 9MPa) and carbohydrate (86. 92 mg gFW-1) compared to other rootstocks. The highest gs (0. 53 mmol m-2s-1) and Pn (18. 73 μ molCO2 m-2s-1) were found in GF677, 2. 5 kgha-1 HA and 0 mM NaCl. With increasing HA, in these conditions, the SI decreased, especially in GF677. Therefore, GF677 was evaluated as the most tolerant rootstock for salinity and 2. 5 and 5 kgha-1HA was evaluated as the most appropriate levels for affecting almond rootstocks.

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APA: Copy

Hatami, Elnaz, SHOKOUHIAN, ALI AKBAR, GHANBARI, ALIREZA, & NASERI, LOTFALI. (2020). Investigation the effect of humic acid on some morphhophysiological and biochemical characteristics of almond rootstocks under salinity stress. IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 51(3 ), 523-536. SID. https://sid.ir/paper/378713/en

Vancouver: Copy

Hatami Elnaz, SHOKOUHIAN ALI AKBAR, GHANBARI ALIREZA, NASERI LOTFALI. Investigation the effect of humic acid on some morphhophysiological and biochemical characteristics of almond rootstocks under salinity stress. IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2020;51(3 ):523-536. Available from: https://sid.ir/paper/378713/en

IEEE: Copy

Elnaz Hatami, ALI AKBAR SHOKOUHIAN, ALIREZA GHANBARI, and LOTFALI NASERI, “Investigation the effect of humic acid on some morphhophysiological and biochemical characteristics of almond rootstocks under salinity stress,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCES (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 51, no. 3 , pp. 523–536, 2020, [Online]. Available: https://sid.ir/paper/378713/en

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