Electromagnetic field impact on annual medics and dodder seed germination
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Department of Agronomy and Plants Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran
Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
Int. Agrophys. 2009, 23(2): 111-115
Differences in seed germination characteristics of three annual medic species and dodder were studied after treating with different intensities of electromagnetic field and exposure times. There were significant effects among treatments for germi- nation percentage, shoot length and mass, seedling dry mass and seedling vigour index in dodder seeds (P0.01). Seedling vigour index and dry mass decreased in Cuscuta monogyna seeds under different electromagnetic intensity. Electromagnetic intensity enhancement increased germination rate and percentage and shoot length in annual medic species, as that the highest germination rate and percentage were observed at 128 µT electromagnetic intensity with 10 min of exposure. Therefore, electromagnetic field application can be applied in annual medic farms for greater crop growth and to control the important weeds such as Cuscuta monogyna in them.
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