Comparative Response of Two Rice (Oryza sativa L.) Cultivars to Applied Zinc and Manganese for Mitigation of Salt Stress

Nadeem, Faisal; Azhar, Muhammad Tehseen; Anwar‐ul‐Haq, Muhammad; Ṣābir, Muḥammad; Samreen, Tayyaba; Tufail, A.; Awan, Hafiz Umair Masood; Wu, Juan

doi:10.1007/s42729-020-00275-1

Cited by 34 publications

(15 citation statements)

References 61 publications

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“…Salinity is an important constraint for crop production in many geographic regions of the world, and frequently occurs in irrigated lands of arid and semi-arid regions [ 1 ]. Irrigation water containing trace amounts of sodium chloride (NaCl) increases salt levels in arable soils [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

“…Zinc reduces excessive Na uptake under saline environments through affecting structural integrity and permeability of stem cell membrane [ 23 ]. Zinc nutrition is effective in decreasing Na accumulation and improving K/Na ratio in plants under salinity [ 1 , 24 ]. Therefore, cell membranes show high permeability or leakage of some compounds from the roots under Zn deficiency [ 25 ].…”

Section: Introductionmentioning

confidence: 99%

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The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

Tolay

2021

PLoS ONE

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Salinity is among the most important abiotic stresses, which negatively affect growth, nutrient uptake and yield of crop plants. Application of different micronutrients, particularly zinc (Zn) have the potential to ameliorate the negative impacts of salinity stress. However, the role of Zn in improving salinity tolerance of basil (Ocimum basilicum L.) is poorly understood. This study evaluated the impact of different Zn levels (0, 5 and 10 mg kg-1) on growth and nutrient acquisition traits of basil under different salinity levels (0, 0.5, 1.0 and 1.5% NaCl). Data relating to biomass production, chlorophyll index, sodium (Na), potassium (K) uptake, K/Na ratio, Zn, copper (Cu), manganese (Mn) and iron (Fe) uptake were recorded. Increasing salinity level reduced biomass production, chlorophyll index and nutrient uptake traits (except for Na and Fe accumulation) of basil. Zinc application (10 mg kg-1) improved biomass production, chlorophyll index and nutrient acquisition traits under normal as well as saline conditions. The reduction in chlorophyll index and biomass production was higher under 0 and 5 mg kg-1 than 10 mg kg-1 Zn application. The K concentration decreased under increasing salinity; however, Zn application improved K uptake under normal as well as saline conditions. Different growth and nutrient acquisition traits had negative correlations with Na accumulation; however, no positive correlation was recorded among growth and nutrient uptake traits. The results revealed that Zn application could improve the salinity tolerance of basil. However, actual biochemical and genetic mechanisms involved in Zn-induced salinity tolerance warrant further investigation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

Tolay

2021

PLoS ONE

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“…Sohaib et al [ 34 ] reported that the application of PGPR, e.g., Pseudomonas fluorescens , Pseudomonas putida , and Serratia ficaria , alleviated the salinity stress through their ACC-deaminase activity and promoted the physiology, growth, and yield attributes of wheat. The application of Zn minerals also alleviated the salinity stress through reducing Na + and Cl − ; increasing Zn and K + concentrations; increasing the membrane stability index; increasing the SPAD value; increasing the activity of antioxidant enzymes including SOD, CAT, and GR; and enhancing phytohormones such as indole-3-acetic acid (IAA) and abscisic acid (ABA) [ 35 ]. Dimkpa et al [ 22 ] demonstrated drought stress alleviation through the application of ZnO-nanoparticle-coated urea, which promoted wheat grain yield and Zn accumulation under drought stress.…”

Section: Discussionmentioning

confidence: 99%

“…Zinc sulfate and BAZ-coated urea provided relief and lowered the antioxidant enzyme activity, which may be associated with enhancement of the nutrient uptake at the cost of Na accumulation in the plant [ 25 ]. An excessive Zn concentration in the soil probably lowered the uptake and accumulation of unnecessary Na [ 16 , 35 ].…”

Section: Discussionmentioning

confidence: 99%

Impact of Coating of Urea with Bacillus-Augmented Zinc Oxide on Wheat Grown under Salinity Stress

Ain

Naveed

Hussain

et al. 2020

Plants

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Zinc (Zn) availability is limited in salt-affected soils due to high soil pH and calcium concentrations causing Zn fixation. The application of synthetic Zn fertilizer is usually discouraged due to the high cost and low Zn use efficiency. However, salt-tolerant Zn-solubilizing bacteria (ZSB) are capable of solubilizing fixed fractions of Zn and improving fertilizer use efficiency. In the current study, a product was formulated by coating urea with bioaugmented zinc oxide (ZnO) to improve wheat productivity under a saline environment. The promising ZSB strain Bacillus sp. AZ6 was used for bioaugmentation on ZnO powder and termed as Bacillus sp. AZ6-augmented ZnO (BAZ). The experiment was conducted in pots by applying urea granules after coating with BAZ, to evaluate its effects on wheat physiology, antioxidant activity, and productivity under saline (100 mM NaCl) and non-saline (0 mM NaCl) conditions. The results revealed that the application of BAZ-coated urea alleviated salt stress through improving the seed germination, plant height, root length, photosynthetic rate, transpiration rate, stomatal conductance, soil plant analysis development (SPAD) value, number of tillers and grains, spike length, spike weight, 1000-grain weight, antioxidant activity (APX, GPX, GST, GR, CAT, and SOD), and NPK contents in the straw and grains of the wheat plants. Moreover, it also enhanced the Zn contents in the shoots and grains of wheat by up to 29.1 and 16.5%, respectively, over absolute control, under saline conditions. The relationships and variation among all the studied morpho-physio and biochemical attributes of wheat were also studied by principal component (PC) and correlation analysis. Hence, the application of such potential products may enhance nutrient availability and Zn uptake in wheat under salt stress. Therefore, the current study suggests the application of BAZ-coated urea for enhancing wheat’s physiology, antioxidant system, nutrient efficiency, and productivity effectively and economically.

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“…Promising developments in the area of nanoparticle fertilizers should also be taken into account, as they have been used to alleviate micronutrient deficiencies in crops (Bala et al 2019). The Zn fertilizer dose calculation proposed here could also be adapted for other crops, especially those cultivated under saline conditions since Zn fertilization can alleviate salt stress (Nadeem et al 2020).…”

Section: Discussionmentioning

confidence: 99%

The Development of a Model for Recommending the Application of Zinc Fertilizer in the Mediterranean Region of Central Chile

Salazar

Manrique

Tapia

et al. 2020

J Soil Sci Plant Nutr

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The main aim of this study is to develop a mechanistic model of fertilization for recommending the application of zinc (Zn) fertiliser for maize based on the mass balance of Zn. The model would consider the critical Zn level for maize (Zn CL), Zn availability in the soil (Zn A) and Zn buffering capacity (Zn b). Soil samples were collected from 78 maize fields for chemical and physical characterization including measuring Zn A and Zn b. Additionally, a crop management survey was carried out in each field. The classification and regression trees method (CART) was used and relationships between Zn b and some soil properties were established, clay content being the most relevant to the model, besides soil reaction (pH) and silt content. The application of Zn fertilizer can be adequately calculated by a mechanistic model that considers Zn A , Zn b and Zn CL above that which maize crop yields do not increase. This work highlights the importance of Zn b evaluation by the incubation procedure and the extraction of available Zn by DTPA solution. As hypothesised and then demonstrated in this work, Zn b is closely related to soil pH and texture (clay and silt). Our results suggest that, in between 51 and 97% of fields examined, it would be necessary to apply Zn fertilisers to produce the maximum maize yield.

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Comparative Response of Two Rice (Oryza sativa L.) Cultivars to Applied Zinc and Manganese for Mitigation of Salt Stress

Cited by 34 publications

References 61 publications

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

The impact of different Zinc (Zn) levels on growth and nutrient uptake of Basil (Ocimum basilicum L.) grown under salinity stress

Impact of Coating of Urea with Bacillus-Augmented Zinc Oxide on Wheat Grown under Salinity Stress

The Development of a Model for Recommending the Application of Zinc Fertilizer in the Mediterranean Region of Central Chile

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