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KMID : 0379119810090030133
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Korean Journal of Mycology
1981 Volume.9 No. 3 p.133 ~ p.139
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Studies on the Development of a New Strain No. 705 of Agaricus bisporus (Lange) Sing
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박용환/Park, Yong Hwan
신관철/유창현/변명옥/Shin, Gwan Chull/You, Chang Hyun/Byun, Myung Ok
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Abstract
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Two hundred forty seven isolates obtained from 21 white or cream-colored mushroom strain by single spore isolation or multiple spore germination were compared type of mycelial growth in vitro and yield trial in a preliminary test. As a result of these tests, four isolates were selected and compared the yields of sporophores with those of 505 and 702 which are leading strains in mushroom production. The newly selected isolate No. 705 showed high yield of mushroom with good quality as described below.
1. The isolate No. 705 produced 13% more mushrooms than those from the strain No. 703. Both produced creamy type of mushroom. The isolate No. 705 showed high blanching yield ratio and moderate resistance to Mycogone perniciosa. 2. For the isolate No. 705 obtained by multiple spore germinations, the optimum temperature of mycelial growth was 25℃, also the mycelial growth was better at 15℃ than others, optimum moisture content of the compost was 65% and optimum casing soil pH for mycelial growth was 7.8. 3. The new isolate No. 705 produced more number of sporophores and the ratio between parts of sporophores were intermediate of those from the strains No. 505 and No. 703.
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