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KMID : 1160220060340040206
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Mycobiology
2006 Volume.34 No. 4 p.206 ~ p.208
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The Fruiting Body Formation of Armillaria mellea on Oak Sawdust Medium Covered with Ground Raw Carrots
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Shim Jae-Ouk
Chang Kwang-Choon
Lee Youn-Su
Park Cheol-Ho
Kim Hey-Young
Lee U-Youn
Lee Tae-Soo
Lee Min-Woong
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Abstract
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To produce an artificial fruiting body of Armillaria mellea on the oak sawdust medium, seven strains of A. mellea were used. The top surface of oak sawdust medium covered with ground raw carrot was inoculated with each of 7 strains and cultured for 30 days at 25oC in the dark condition until the mycelia of A. mellea completely colonized the medium from top to bottom. Then, the mycelia which were fully covered on the top surface of the medium were scratched slightly with a spatula and filled with tap water for 3 hours. To induce the primordial formation, the 7 strains of A. mellea were transferred to the growth chamber under the illumination (350 lux) of 12 hours and relative humidity of 85 ± 5% in a day and then cultured at 16 ± 1oC. Only A. mellea IUM 949 could form primordia on the sawdust medium, but the other strains did not make primordia at the same condition. The primordia of A. mellea IUM 949 were formed 10 days after complete colonization of the medium and the fruiting bodies were produced 7 days after a primordial formation. The experimental results suggested that IUM 949 strain might be a good candidate for mass production of fruiting bodies of A. mellea.
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KEYWORD
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Armillaria mellea, Fruiting bodies, Ground raw carrot, Primordium
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