Cobalt occurs in the minerals cobaltite, smaltite and erythrite ( Barceloux, 1999 ). 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. (Transl.of Fiziol.Rast.15(1):116-122) 68, 94-99 Media Brenchley, W. E. 193 8. The focus of this study is on the toxic effect of cobalt (Co) to higher plants. 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). Russ.J.Plant Physiol. Experiments were also carried out on young bulls (Bos taurus L.) fed with the hay grown on these meadows. 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. EFFEcrs oF Co oN PLANTS 1.2. 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. 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. 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. 2004), where moose in Eastern North America were observed to have a wasting debilitating disease. function for this element in higher plants has not been identified. 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. Ann.Appl.Biol. 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. Kandil H (2007) Effect of cobalt fertilizer on growth, yield and nutrients status of faba bean (Vicia faba L.) plants. 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. 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. 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. The Cobalt-containing vitamin B 12 does not occur in 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. 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