Effects of EMFs on Some Biological Parameters in Coffee Plants (Coffea arabica L.) Obtained by in vitro Propagation
Elizabeth Isaac Alemán1, Andrew Mbogholi2, Yilan Fung Boix1, Justo González-Olmedo2, Antonio Chalfun-Junior3
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1Departament of Bioelectromagnetism, Nacional Centre of Applied Bioelectromagnetism,
Apartado 4078, CP 90400, Santiago de Cuba, Cuba
2Department of Tissue Culture, Centre of Bioplants,
Km 9. Carretera Morón, Ciego de Avila, Cuba
3Department of Biology, Laboratory of Plant Molecular Physiology, Federal University of Lavras.
Campus Universitário, Lavras, Minas Gerais, Brasil
Pol. J. Environ. Stud. 2014;23(1):95-101
In vitro coffee seedlings were exposed to an electromagnetic field (EMF) of 2 mT during 3 minutes in establishment, multiplication, and acclimazation phases. Shoot and root lengths and leaf pair numbers of treated groups increased when compared to control; in addition to SOD, CAT, and APX activities of in vitro-treated groups showed a decrease in levels. Four months after the magnetic treatment was applied, the same parameters were evaluated. Shoot lengths, root lengths, the pair of leaves numbers, and CAT activity increased in treated plants. APX activity decreased in treatment seedlings, whereas SOD activity did not show a difference between experimental groups.
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