Cobalt, a transition element, is an essential component of several enzymes and co-enzymes. It has been shown to affect growth and metabolism of plants, in different degrees, depending on the concentration and status of cobalt in rhizosphere and soil. Cobalt interacts with other elements to form complexes. The cytotoxic and phytotoxic activities of cobalt and its compounds depend on the physico
Beneficial Effects of Cobalt on Plants Senescence Senescence in lettuce leaf in the dark is retarded by cobalt, which acts by arresting the decline of chlorophyll, protein, RNA and, to a lesser extent, DNA. The activities of RNAase and protease, and tissue permeability were
2020-4-26 Other positive impacts include stem development, coleoptile elongation, bud formation, plant growth enhancement and yield when exogenously applied. Some studies show that Co plays a significant role in ethylene production in plants. Besides beneficial impacts on plant life, cobalt has some unfavourable effects too.
2015-12-1 $',t'e \<'.'r" -.i..ffi:þ Cobalt: Physiological Effects and Uptake Mechanisms in Plants by Juhong Liu B. and M. Agr. Sci., Northwest Agricultural University, Shaanxi, China A thesis submitted to The University of Adelaide for the degree of Doctor of Philosophy December, 1998
Cobalt (Co) is an element which is not commonly thought to play as crucial of a role in the health of a plant. However, cobalt is one of the elements which is classified as an essential micronutrient. Cobalt
2017-11-23 Despite the increasing environmental threat of cobalt in the modern era, less is known as its phytotoxicity behavior. Therefore, the present study was undertaken to assess the toxicity effects of cobalt and to understand the associated physio-biochemical response in Brassica napus, an economically important plant crop species. Five-day-old seedlings of four cultivars (Zheda 619, Zheda
Cobalt Metabolism in Plants Interactions between cobalt and several essential enzymes have been demonstrated in plants and animals. Two metal-bound intermediates formed by CO 2 + activate ribulose-1,5 bisphosphate carboxylase/ oxygenase (EC 4.1.1.39).Studies by electron paramagnetic resonance (EPR) spectroscopy have shown the activity to be dependent on the concentration of ribulose 1,5
Effect of Cobalt in Plants on Animals Cobalt uptake by plants allows its access to animals. Kosla demonstrated the effect of irrigation of meadows with the water of the river Ner in Poland on the levels of iron, manganese, and cobalt in the soil and vegetation. Experiments were also carried out on young bulls (Bos taurus L.) fed with the hay grown on these meadows.
Therefore, the present study aimed to decrease the harmful effect of salinity on Nigella sativa L plants by adapting them to saline soil stress through the use of Cobalt. The effects of saline
The influence (negative and positive) of cobalt on living organisms in water and soil environments, including the biological balance of the soil (the number of microorganisms, enzymatic activity) and plant growth and development, and the possibilities of their use in the phytoand bioremediation of areas polluted with cobalt have been described.
2015-12-1 $',t'e \<'.'r" -.i..ffi:þ Cobalt: Physiological Effects and Uptake Mechanisms in Plants by Juhong Liu B. and M. Agr. Sci., Northwest Agricultural University, Shaanxi, China A thesis submitted to The University of Adelaide for the degree of Doctor of Philosophy December, 1998
2016-1-5 Effect of cobalt on growth and yield of fenugreek plants Nadia Gad and Abdel-Moez, M. R. Plant Nutrition Deparetment, National Research Centre, EL-Bohooth St., Dokki, Cairo, Egypt Abstract: Two field experiments were carried out to evaluate cobalt role
2 Abstract: The anthocyanins have a long history as a part of human diet, and their other flavonoids are receiving, renewed attention for their positive health attributes. The principal commercially availability anthocyanins food colorant sources is roselle (Hibiscus sabdariffa L). Thus, the aim of this investigation was to study the effect Co (0, 20, and 40 mg/kg soil )and Ni (0, 25 and 50 kg
Effect of Cobalt in Plants on Animals Cobalt uptake by plants allows its access to animals. Kosla demonstrated the effect of irrigation of meadows with the water of the river Ner in Poland on the levels of iron, manganese, and cobalt in the soil and vegetation. Experiments were also carried out on young bulls (Bos taurus L.) fed with the hay grown on these meadows.
2015-5-9 plant species, soil type and soil chemistry (Bakkus et al., 2005). More acidic the soil, the greater is the potential for Co toxicity at any concentration (Hasan et al., 2011). Co has both beneficial as well as harmful effects to plants. At lower concentration, Co has been reported to have a positive effect on plants.
The influence (negative and positive) of cobalt on living organisms in water and soil environments, including the biological balance of the soil (the number of microorganisms, enzymatic activity) and plant growth and development, and the possibilities of their use in the phytoand bioremediation of areas polluted with cobalt have been described.
1. An account is given of the present position of our knowledge with regard to the distribution and the physiological importance of nickel and cobalt, in relation to plants and animals. 2. Experiments on barley and broad beans were carried out in water cultures with the sulphates and chlorides of cobalt
2008-11-11 The effect of different concentrations of cobalt added to two soil types, a sandy and a sandy loam soil, was studied on growth performance and tissue cobalt concentration of wheat plants. DTPA‐extractable cobalt was significantly higher in the
2019-4-15 With rapid development of the construction of nuclear power plants along the coast, the concern of negative effects of potentially unexpected release of nuclides on marine organisms has increased. Cobalt (Co) is one of the crucial nuclides in nuclear polluted seawater. The effect of its presence in seawater on life cycle of macroalgae has seldom been studied. In this investigation, a
The effects of six microelements (Cu 2+, Mn 2+, Fe 2+, Mo 2+, Zn 2+, Co 2+) on the production of betalains and the growth of suspension cultures of Beta vulgaris were studied. The increase of Co 2+ from 1–5 μM resulted in a 60% increment on the production of betalains. A positive effect of this divalent ion was only accomplished when it was added at the beginning of the culture.
2016-1-5 Effect of cobalt on growth and yield of fenugreek plants Nadia Gad and Abdel-Moez, M. R. Plant Nutrition Deparetment, National Research Centre, EL-Bohooth St., Dokki, Cairo, Egypt Abstract: Two field experiments were carried out to evaluate cobalt role
2019-8-2 low concentration of cobalt was beneficial for can be concluded that cobalt at lower concentrations seedling growth. Cobalt at higher concentrations has a stimulating effect on the germination process suppressed the seedling growth and dry weight of the and seedling growth and will inhibit the same at higher ragi and paddy seedlings.
2015-5-9 plant species, soil type and soil chemistry (Bakkus et al., 2005). More acidic the soil, the greater is the potential for Co toxicity at any concentration (Hasan et al., 2011). Co has both beneficial as well as harmful effects to plants. At lower concentration, Co has been reported to have a positive effect on plants.
2019-6-27 However, up to now, there is no study done on the effects of nanoscale zerovalent cobalt (NZVC) on chlorophyll a fluorescence in plants. In this study, the effects of NZVC on growth (such as the plant height, dry weights of stems and leaves and leaf area) and photosynthetic parameters of soybean plants were studied.
Two f ield exper iment were c arried o ut to study the effect of cobalt on growth, yield, nodules formation and n utrients content of faba bean grown in El-Nobaria farm u sing four levels of cobalt 0, 5, 10, 1 5 and 20 ppm. D ry w eights o f ro ots, shoots, stem, p od, gr ain a nd nodules formation significantly increased by i ncrease p ercentage c obalt levels in a ll treatments co mpared
2019-4-15 With rapid development of the construction of nuclear power plants along the coast, the concern of negative effects of potentially unexpected release of nuclides on marine organisms has increased. Cobalt (Co) is one of the crucial nuclides in nuclear polluted seawater. The effect of its presence in seawater on life cycle of macroalgae has seldom been studied. In this investigation, a
2018-6-17 nano-cobalt and caused a significant reduction in AMI. 3.2. Effect of cobalt nanoparticles on mitotic division of S. cannabina The mitotoxic effects of cobalt nanoparticles on root meristematic cells of S. cannabina were estimated on the basis of total abnormality percentages. Percentages of different
Therefore, the present study aimed to decrease the harmful effect of salinity on Nigella sativa L plants by adapting them to saline soil stress through the use of Cobalt. The effects of saline
2021-6-28 As shown in Table 1, the escalated level of salt stress significantly reduced the cucumber growth parameters.Under the highest level of the applied salt stress (4 ds m −1), the dry weight of plant shoot and root decreased, by approximately 37 and 21%, respectively.Regardless of salt stress, the cucumber growth was significantly affected by cobalt and melatonin applications ().
The effects of six microelements (Cu 2+, Mn 2+, Fe 2+, Mo 2+, Zn 2+, Co 2+) on the production of betalains and the growth of suspension cultures of Beta vulgaris were studied. The increase of Co 2+ from 1–5 μM resulted in a 60% increment on the production of betalains. A positive effect of this divalent ion was only accomplished when it was added at the beginning of the culture.
Home