Zinc soil application enhances photosynthetic capacity and antioxidant enzyme activities in almond seedlings affected by salinity stress

Amiri, Azam; Baninasab, Bahram; Ghobadi, Cyrus; Khoshgoftarmanesh, Amir Hossein

doi:10.1007/s11099-016-0078-0

Cited by 26 publications

(27 citation statements)

References 36 publications

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“…Proline protects membranes, enzymes and proteins, acts as osmolyte, nitrogen storage compound and ROS scavenger, buffering cytosolic pH, balances redox status of the cell, activates specific gene expression and signaling molecule to modulate mitochondrial functions, and also reduces Na + and Cl -accumulation (Singh et al, 2015;Sadak and Abdelhamid, 2015). Present findings were in line with those observed in almond (Amiri et al, 2016), wheat (Kausar et al, 2013), rice (Revathi and Arumugam Pillai), faba bean (Sadak and Abdelhamid, 2015) and mung bean (Hozayn et al, 2013) under salt stress. Exogenous MeJA successfully raised the proline concentration in salt-affected cowpea plants.…”

Section: Physiological Responsessupporting

confidence: 90%

“…Reduction in net photosynthetic rate was due to closure of stomata, decreased chlorophyll value and RWC of cowpea plants. Other researchers also reported that reduction in photosynthesis under salinity stress can be attributed to closure of stomata and decreasing internal CO 2 concentration, reduced water potential and enzyme activities, increased production of ROS in chloroplasts and decreased chlorophyll content (Amiri et al, 2016;Aftab et al, 2011). Seed priming with MeJA especially @ 50 µM under salt stress, enhanced net photosynthetic rate; via improving stomatal conductance, chlorophyll value and water status of cowpea plants.…”

Section: Physiological Responsesmentioning

confidence: 96%

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Amelioration of salinity tolerance in cowpea plants by seed treatment with methyl jasmonate

Sadeghipour

2017

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A pot experiment was conducted to investigate the role of methyl jasmonate (MeJA) in alleviation of the adverse effects of salinity on cowpea. Seeds were soaked in 0, 25 and 50 µM MeJA for 20 h and then the seedlings were irrigated with different concentrations of NaCl (0, 50 and 100 mM). Salt stress markedly decreased growth attributes namely shoot length, shoot and root dry weight and leaf area. NaCl stress also significantly reduced chlorophyll value, stomatal conductance, net photosynthetic rate, total soluble proteins and relative water content (RWC). Furthermore, salinity noticeably increased proline and total soluble sugars content. Nonetheless, seeds treatment with MeJA especially 50 µM, improved the growth of cowpea plants by increasing chlorophyll value, stomatal conductance, net photosynthetic rate, total soluble proteins, proline accumulation, total soluble sugars and RWC under salt stress conditions. Thus results indicate that pretreatment of seeds with MeJA could be used as an effective technique for improving cowpea plants tolerance to salt stress.

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Section: Physiological Responsessupporting

confidence: 90%

Section: Physiological Responsesmentioning

confidence: 96%

Amelioration of salinity tolerance in cowpea plants by seed treatment with methyl jasmonate

Sadeghipour

2017

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“…Nevertheless, a substantial part of the reduction in shoot growth and fruit production in Zn-deficient plants may be explained by the negative impacts of Zn deficiency on carbon assimilation. A strong reduction in leaf P n in response to Zn deficiency has been shown across a broad diversity of plant species (e.g., Amiri et al, 2016;Fu et al, 2015;Mattiello et al, 2015;Tavallali et al, 2009), including pecan (Hu and Sparks, 1991). Zinc has been proposed to have major effects on P n in a number of different ways, including its essential roles in the function of the carbonic anhydrase enzyme, which assists in movement of CO 2 to the site of the Calvin cycle in the chloroplast stroma, and the Cu-Zn superoxide dismutase enzyme, which is involved in protection of plant cells against oxidative damage by reactive oxygen species (Broadley et al, 2012;Cakmak, 2000;Yruela, 2013).…”

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confidence: 99%

Soil-application of Zinc-EDTA Increases Leaf Photosynthesis of Immature ‘Wichita’ Pecan Trees

Heerema

VanLeeuwen

Thompson

et al. 2017

J. Amer. Soc. Hort. Sci.

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Zinc deficiency is common in pecan (Carya illinoinensis) grown in alkaline, calcareous soils. Zinc (Zn)-deficient pecan leaves exhibit interveinal chlorosis, decreased leaf thickness, and reduced photosynthetic capacity. Low photosynthesis (Pn) contributes to restricted vegetative growth, flowering, and fruiting of Zn-deficient pecan trees. Our objectives were to measure effects of soil-applied ethylenediaminetetraacetic acid (EDTA)-chelated Zn fertilizer on gas exchange of immature ‘Wichita’ pecan and characterize the relationship between leaf Zn concentration and Pn. The study orchard had alkaline and calcareous soils and was planted in Spring 2011. Zinc was applied throughout each growing season as Zn EDTA through microsprinklers at rates of 0 (Control), 2.2, or 4.4 kg·ha−1 Zn. Leaf gas exchange and SPAD were measured on one occasion in the 2012 growing season, four in 2013, and five in 2014. Soil Zn-EDTA applications significantly increased the leaf tissue Zn concentration throughout the study. On all measurement occasions, net Pn was significantly increased by soil-applied Zn EDTA compared with the control, but Pn was not different between the two soil-applied Zn-EDTA treatments. Leaf Pn in midseason did not increase at leaf tissue Zn concentrations above 14–22 mg·kg−1. Leaf SPAD consistently followed a similar pattern to Pn. Soil Zn-EDTA application increased leaf stomatal conductance (gS) compared with the Control early through midseason but not after August. Intercellular CO2 concentration was significantly lower for Zn-EDTA-treated trees than the Control even on dates when there was no significant difference in gs, which suggests that soil application of Zn-EDTA alleviated nonstomatal limitations to Pn caused by Zn deficiency.

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“…Zn and gypsum supplies were more effective in the saline site as compared to the non-saline site. This could be due on the one hand to the alleviation of Zn deficiency in the saline site, and a possible role of Zn in protecting crops against Na toxicity reported by Amiri et al (2016) on the other hand this could be due to the reduction of initial level of salinity by gypsum application in the saline site. As a result, grain yields in the saline site were improved considerably, and the yield reduction caused by the salinity stress was significantly reduced under NPK-Zn and NPK-gypsum management options.…”

Section: Effects Of Management Options On Gy Yr and Anuementioning

confidence: 95%

“…The application of zinc (Zn) is also crucial with respect to various aspects of plant physiology. According to Amiri et al (2016), Zinc supply could mitigate the adverse effects of salinity by reducing the uptake and accumulation of Na in plants. Furthermore, regardless of the tolerance level of cultivars and soil constraints, fertilizer recommendations for rice in the SRV are blanket, involving only N, P and K nutrients.…”

Section: Introductionmentioning

confidence: 99%

Suitable management options to improve the productivity of rice cultivars under salinity stress

Mel

Bado²,

Ndiaye

et al. 2018

Archives of Agronomy and Soil Science

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Growing rice in saline soils by minimizing damage on growth and yield remains a challenge. We conducted field experiments in the Africa Rice research field located in the Senegal River delta (16°11ʹ N, 16°15ʹ W) to study the effects of three management options of fertilization e.g. (i) nitrogen, phosphorus, and potassium fertilization: NPK; (ii) NPK combined with zinc: NPK-Zn, and (iii) NPK combined with gypsum: NPKgypsum on the soil salinity level, the nutrient uptake and the productivity of different rice cultivars. The whole objective of this study is to determine how zinc or gypsum associated to NPK fertilizer can improve the growth and productivity of rice crop in saline soil. Results showed that the initial soil salinity level was reduced rapidly in plots treated with gypsum. The leaf-K/Na ratio, agronomic nitrogen use efficiency (ANUE), and grain yield of rice cultivars under the salinity stress were improved by the NPK-gypsum and NPK-Zn options relatively to the NPK option, suggesting that NPK-gypsum and NPK-Zn are suitable management options in reducing adverse effect of low K/Na, low ANUE as well as to improve rice yield under salinity stress.

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Zinc soil application enhances photosynthetic capacity and antioxidant enzyme activities in almond seedlings affected by salinity stress

Cited by 26 publications

References 36 publications

Amelioration of salinity tolerance in cowpea plants by seed treatment with methyl jasmonate

Amelioration of salinity tolerance in cowpea plants by seed treatment with methyl jasmonate

Soil-application of Zinc-EDTA Increases Leaf Photosynthesis of Immature ‘Wichita’ Pecan Trees

Suitable management options to improve the productivity of rice cultivars under salinity stress

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