Whereas normal cobalt concentrations in plants are cited to be as low as 0.1-10 mg g-1 dry weights, its beneficial role as a trace element has been described (Bakkaus et al., 2005). Soil–plant–microbe interactions are widely investigated in the study of soil–plant processes (Huang et al., 2014; Dessaux et al., 2016). Effect of Aluminum and Coba lt on the Nucleic Acid Content and Ribonuclease Acitivty i n the Growth Points of Sunflower Under W ater Deficit Conditions 37728. 2004), where moose in Eastern North America were observed to have a wasting debilitating disease. Cobalt occurs in the minerals cobaltite, smaltite and erythrite ( Barceloux, 1999 ). Soils near mining and melting facilities may contain very high amounts of cobalt, so that the uptake by humans through eating plants can cause health effects. When plants grow on contaminated soils they will accumulate very small particles of cobalt, especially in the parts of the plant we eat, such as fruits and seeds. These results are in agreement with Gad who found the stimulation effect of cobalt on the plant metabolism and endogenous plant hormones like auxins and gibberellins which increase the growth compared with control. 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. The Cobalt-containing vitamin B 12 does not occur in plants. The focus of this study is on the toxic effect of cobalt (Co) to higher plants. Influence of the rhizosphere biota on trace element uptake by plants. Russ.J.Plant Physiol. Soils near mining and melting facilities may contain very high amounts of cobalt, so that the uptake by humans through eating plants can cause health effects. Effect of Cobalt in Plants on Animals Cobalt uptake by plants allows its access to animals. Beneficial Effects l.2.2Toncity of Co in plants I.2.2.I Toxic effects of Co on plant yield 1.2.2.2 Toxic effects … 1 l.1 Physical and chemical properties of cobalt 1.1.2 Biochemistry of Cobalt 1.1.3 Cobalt in plants and in the environment 1.2 Pnysror.ocrcar. 1. Comparative Effects of Cobalt, Nickel and Copper on Plant Growth. While animals that eat these plants will accumulate cobalt, cobalt is not known to biomagnify (produce increasingly higher concentrations) up the food chain. Experiments were also carried out on young bulls (Bos taurus L.) fed with the hay grown on these meadows. A lack of cobalt in a form which plants or earth dwelling organisms are able to absorb can have major effects on the health of the wildlife in an area. Plants can accumulate very small amounts of cobalt from the soil, especially in the parts of the plant that you eat most often, such as the fruit, grain, and seeds. A classic example of this is the “Nova Scotia Moose Mystery” (Frank et al. Cobalt (hyper)accumulation in ultramafic soils is triggered by the available Co : Ni ratio. Table 2 The effect of NZVC on the growth indices of soybean plants … When plants grow on contaminated soils they will accumulate very small particles of cobalt, especially in the parts of the plant we eat, such as fruits and seeds. J Appl Sci Res 3:867–872 Google Scholar Kandil H, Ihab MF, El-Maghraby A (2013) Effect of cobalt level and nitrogen source on quantity and quality of soybean plant. function for this element in higher plants has not been identified. Kandil H (2007) Effect of cobalt fertilizer on growth, yield and nutrients status of faba bean (Vicia faba L.) plants. (Transl.of Fiziol.Rast.15(1):116-122) 68, 94-99 Media Brenchley, W. E. 193 8. Ann.Appl.Biol. EFFEcrs oF Co oN PLANTS 1.2. In higher plants has not been identified 1999 ) allows its access to Animals on. Available Co: Ni ratio observed to have a wasting debilitating disease l.1. 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