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Plants may allocate Mn to litter when lignin concentration increases to stimulate C and nutrient cycling between plant and soil. Also, the relatively high concentration of litter Mn may be also attributed to that plants generally do not resorb Mn because high Mn concentration is poisonous to plants (Chen et al., 2021). It is widely …
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Zinc in plants - An overview. Tsonko Tsonev 1 and Fernando Jose Cebola Lidon 2*. 1 Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G.Bonchev Str., Bl.21, 1113 ...
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Zinc (Zn) plays an important role in the physiology and biochemistry of plants due to its established essentiality and toxicity for living beings at certain Zn concentration i.e., deficient or toxic over the optimum range. Being a vital cofactor of important enzymes, Zn participates in plant metabol …
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Inoculation of barley with AMF resulted in improved grain and straw Zn concentrations, especially at low soil Zn concentrations, but did not increase the biomass of the plants. Of the five HvZIP genes tested that are up-regulated under low Zn conditions, one gene (HvZIP13) was significantly up-regulated by mycorrhizal colonisation at the lowest ...
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Zinc (Zn) is an essential micronutrient for plant life. In Minnesota, while some soils are capable of supplying adequate amounts for crop production, addition of zinc fertilizers is needed for others. …
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Zinc concentrations in serum are associated with the patient's and age as well as the time of the blood draw (morning vs. evening) and ... The absorption of zinc from mixed meals or diets containing a combination of animal-based and plant-based foods is lower than from diets or meals containing animal-based foods only . Table 2 ...
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Large variation for grain Zn concentration was observed in crop seasons Y-2012 and Y-2013, with a range of 35.5–67.7 mg/kg and 42.5–80.3 mg/kg, respectively, and mean of 47.8 mg/kg and 56.9 mg ...
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The optimal rate of zinc foliar spray for achieving significant grain yield response was in the range from 1.0 to 1.5 kg Zn/ha. The potential damages that low-zinc bioavailability in soil can have for plants, humans, and animals. Zinc may also be incorporated as a component of proteins and other macromolecules.
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Under drought stress, Zn application improves seed germination, plant water relations, cell membrane stability, osmolyte accumulation, stomatal regulation, water use efficiency …
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In the 1990s, several investigators found that elevated atmospheric CO 2 concentration (hereafter abbreviated to [CO 2 ]) decreased the concentrations of zinc, iron and protein in grains of wheat ...
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Zinc (Zn) is an essential component of thousands of proteins in plants, although it is toxic in excess. In this review, the dominant fluxes of Zn in the soil–root–shoot continuum are described, including Zn inputs to soils, the plant availability of soluble Zn 2+ at the root surface, and plant uptake and accumulation of Zn. Knowledge of these fluxes …
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Plant-based complementary foods often contain high levels of phytate, a potent inhibitor of iron, zinc, and calcium absorption. This review summarizes the concentrations of phytate (as hexa- and penta-inositol phosphate), iron, zinc, and calcium and the corresponding phytate:mineral molar ratios in 26 indigenous and 27 commercially processed plant …
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Plants are the ultimate source of zinc in the human diet, and human Zn deficiency accounts for over 400 000 deaths annually. Here, we review the current understanding of zinc …
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Plants grown under N60 had grain Zn concentrations from 18.3 mg/kg in KDK to 36.7 mg/kg in KS. Increasing N rate increased grain Zn concentration by 40% in HN, but decreased grain Zn concentration by 12% in …
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At a lower concentration (100 mg L −1 ZnO) the translocation of zinc into grains was maximum whereas, at high concentrations, the zinc was localized in other plant parts 54.
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Zinc (Zn) is an important micronutrient for plants since it is involved in many key cellular functions such as metabolic and physiological processes, enzyme activation, and ion …
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ABSTRACT Concern over the food chain transfer of zinc (Zn) is increasing because of its importance in human health. A field experiment was conducted on a low Zn soil to determine the effect of different Zn fertilization strategies on grain Zn concentration and Zn allocation in different plant tissues of rice.
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Background Zinc (Zn) enrichment in cereal grains is a promising method to relieve human Zn malnutrition. Many factors influence grain Zn accumulation, but the role of rhizosphere microbes in soil environment and crop Zn uptake remain unknown. Methods This study examined the relationships between rhizosphere microbes, rhizosphere soil …
DetailsZinc (Zn) is a micronutrient that plays an important role in plant growth and reproduction (Natasha et al, 2022).It is a major component and activator of several enzymes involved in the metabolic activities of plant growth, and as such is involved in improving crop yield and quality (Khampuang et al, 2021).Zn deficiency adversely reduces yield …
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Hewitt (1966) reported optimum levels of zinc for plants grown in nutrient solution to be from 0.3 to 3.0 @ . I Carroll and Loneragan (1968) grew several species over a range of zinc concentrations. All plants grew well at 0.01 pM zinc and gave maximum growth at 0.25 pM zinc or less.
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Background and aims Nitrogen (N), commonly applied to increase rice yield, can influence grain quality by its effect on grain zinc (Zn) concentration. This study evaluated the effects of N fertilizer as applied to the soil and as foliar N on the yield and grain Zn and N concentrations. Methods Two rice varieties with low grain Zn and high …
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Abstract. Plant litter decomposition is not only the major source of soil carbon and macronutrients, but also an important process for the biogeochemical cycling of trace elements such as iron (Fe), manganese (Mn), zinc (Zn), and copper (Cu). The concentrations of plant litter trace elements can influence litter decomposition and …
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Zn's toxic effects depend on its external bioavailable concentration, exposure time, plant genotype, and step of plant development. The most obvious symptoms of Zn toxicity reported in plants are the inhibition of growth, and chlorosis of young leaves (probably the consequence of lower uptake of Fe 2+ and Fe 3+ ), and can …
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1. Lentils. I enjoy using lentils in the place of meat in a sloppy joe. If you enjoy lentils, you'll be pleased to know they can be incorporated into your garden. Lentils tend to grow well in planting zones four through eleven. These plants enjoy rich, well-draining soil. Plus, they …
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Zinc is an essential micronutrient for both plants and animals. In plants, it plays a vital role in various physiological and metabolic processes, thereby causing an optimal plant growth (Rudani and Prajapati 2018).Zn serves structural, catalytic and regulatory roles in a number of proteins and enzymes such as alcohol dehydrogenase …
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Zinc concentration that caused a 50% inhibition of Alternaria brassicicola growth in vitro (Alternaria brassicicola EC 50) and theoretical correspondence between Zn leaf concentration and Zn concentration in solution in Noccaea caerulescens plants grown at 12 and 102 µM Zn (A). Plant and pathogen response curves to metal …
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In a concentration of 100 micro mol/L, zinc suppresses natural killer cell killing and T-cell functions whereas monocytes are activated directly, and in a concentration of 500 micro mol/L, zinc ...
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Zinc (Zn) is the second most abundant transition element after iron in living organisms and is categorized as an essential micronutrient to plants. It takes part in various cellular …
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Zinc plays many essential roles in life. As a strong acid that lacks redox activity under environmental and cellular conditions, the Zn 2+ cation is central in determining protein structure and catalytic function of nearly 10% of most eukaryotic proteomes. While specific functions of zinc have been elucidated at a molecular level in a number of plant …
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Abstract. Zinc is one of the most important micronutrients required for optimal plant growth and productivity. Paradoxically, a higher concentration of the same can be toxic for the plants, and hence, a constant supply of zinc to maintain an optimal intracellular concentration in plants is required which is referred to as zinc homeostasis.
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Zinc is one of the most important micronutrients required for optimal plant growth and productivity. Paradoxically, a higher concentration of the same can be toxic for the …
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Total zinc concentrations in plant cells are quite high, ranging from 0.3 to 3 mM in different cell types (Blindauer and Schmid, 2010). However, due to the high complexing capacity of Zn ions according to the Irwing-Williams series, the biological activity of Zn is not determined by its total concentration ( Haase et al., 2015 ).
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Zinc deficiency causes a type of leaf discoloration called chlorosis, which causes the tissue between the veins to turn yellow while the veins remain green. Chlorosis in zinc deficiency usually affects the base of the leaf near the stem. Chlorosis appears on the lower leaves first, and then gradually moves up the plant.
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Zinc is a micronutrient essential for all living organisms with a key role in growth, development, and defense. Competition for Zn affects the outcome of the host–attacker …
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Iron and zinc are essential micronutrients in plants, which have evolved homeostatic mechanisms to ensure a proper balance between these two transition metals. However, …
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In most plants, it is estimated that 30–200 μg Zn g −1 dry weight is the optimal physiological zinc concentration. Interactions between iron and zinc homeostatic networks Iron and zinc contents in edible plant parts are controlled by complex and intertwined homeostasis mechanisms involving multiple steps ( Hanikenne et al., 2021 ; …
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Plant Breeding is an agronomy journal devoted to crop ... Genome-wide association study of grain iron and zinc concentration in common bean (Phaseolus vulgaris) Yonas Moges ... were associated with grain Fe and Zn concentration. Five quantitative trait nucleotides (QTNs), that is, QTN Fe_1.1, QTN Fe_6.3, QTN Fe_6.5, QTN Fe_10.3 and QTN …
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