Flammulina velutipes is known as edible and medicinal mushroom. The fungus grow on living trees of Zelkova carpinifolia and dead trees of Diospyros lotus (Stand and fallen) in Behshar forest area. These plants were found as new hosts for F. velutipes. In vitro antagonistic activity of this mushroom against Bipolaris sorokiniana, Ophiostoma ulmi, Pestalotiopsis funerea, Fusarium culmurum, and Fusarium oxysporum was evaluated on MEA as dual culture. Colonies of the fungus were white farinaceous and powdery on MEA, later turns yellow. Daily growth of colony was measured 5.36mm on MEA at 25 o C. Growth coefficient was indicated 36.64 and 90 mm Petriplate was covered up to 15 days after plating. The strongest and poorest antagonistic index have been seen against Ophiostoma ulmi and Bipolaris sorokiniana, respectively.
The genus Ganoderma Karst. has broad‐spectrum usage in biotechnology, medicine and the food industry. The complexity of the morphology within species has led to uncertain identification in the past, but recent advancements in molecular identification methods have provided scientists with the opportunity to better understand the taxonomy of the species. The present study attempts for the first time to elucidate the distinctiveness of the Ganoderma species growing in Iran concerning those elsewhere in the world based on mitochondrial small subunit ribosomal DNA (mtSSU rDNA) and internal transcribed spacer (ITS) sequence data. The results disclosed that the G. lucidum Karst. samples collected in Iran are more similar to the European Ganoderma species than to the Asian (Chinese) one used in this study.
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