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From 1986 to 1990, the fifty-three sites (shims) of the five places known as an areas of the pine-mushroom production in Kyoung Sang Do were visited, investigating the biology or ecology of pine-mushrooms. Physical or ecological characteristics of the areas producing pine-mushrooms was similar to those reported in Japan, but not similar to in this regardings; The ages of pine trees, the understory plant flora of the places producing the pine-mushrooms and the soil types. The areas of pine-mushroom productions are divided to two typical areas, the inland and coastal areas. Ecological differences between two areas were found, The understory plant flora and different soil types. Three kinds of soil were, by the naked eyes, were found from our observations of Kyoung Sang Do, but not based on soil analysis. The pine-mushrooms observed in Kyoung Sang Do were related to the root of the pine trees, but not confirmed to be ectomycorrhizally related to the pine trees. The mycelia isolated form the different places were compared with the degradation of phenolic compounds and culture methods, but were not clearly distinguished. The productions of pine-mushroom and several methods for the pine mushroom were suggested under four years´ observations.
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