Responses of Soybean Plants to Vesicular-Arbuscular Mycorrhizal Inoculation

概要

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The responses of growth and seed yield of soybean to the inoculation of indigenous micro-organisms were compared in three Kyushu soils, each differing in soil phosphate status. The inoculation to irradiated Kasuya soil (high in both total and available phosphate) and Osumi soil (high in total phosphate but low in available phosphate) resulted in increased dry matter and seed yields. However, seed yields decreased after the inoculation to irradiated Kashii soil, which was low in both total and available phosphate. The effect of inoculation with spores of vesicular-arbuscular mycorrhizal fungi, Glomus TMosseae and G. etunicatus on growth and seed yield of soybean was tested in Aso soil, which was high in total phosphate but low in available phosphate. Inoculation greatly increased the dry matter and seed yields in irradiated soil with or without added phosphate fertilizer. In unsterilized soil the effect of inoculation was much clearer when phosphate fertilizer had been applied than when its addition was omitted.
九州大学の論文
1987-03-31