Notice of RetractionStudy of Selenium Enrichment of Auricularia auricula-Judae (Wooden Ear Fungus)

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

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The Se-tolerance of different strains of Auricularia auricular-judaer (wooden ear) was assayed on agar plates, the effects of selenium and Se-enrichment were studied in submerged culture and cultivation by adding different amounts of sodium selenite into the media. The results suggested that although the mycelial growth of tested strains was restrained, wooden ear can tolerate high concentration of selenium. The mycelia can grow in slow rates even as high as 240 mg/kg of selenium. In submerged culture, however, the tested strains were very sensitive to selenium and the sensitivity among strains was different. Adding 26.31 μg/ml selenium showed negligible inhibition on hyphal growth of strain YX. In cultivation, high concentration of selenium inhibited the hyphal growth and the content of selenium in fruiting body increased along with the addition of sodium selenite in compost. Considering cultivation and selenium enrichment together, the suitable amount of selenium supplied in compost is 26.31 mg/kg.