Arbuscular菌根菌の接種とリン酸施与が黒ボク土におけるホワイトクローバとタマネギのリン吸収と生育に及ぼす影響

概要

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White clover (Trifolium repens L.) and onion (Allium cepa L.) were grown under glasshouse conditions in sterile Andosols amended with superphosphate at rates ranging from 0-2.6 g P per 500 mL pot. The effect of two arbuscular mycorrhizal fungi, Glomus mosseae (NICOL. & GERD.) GERDEMANN & TRAPPE and Gigaspora margarita BECKER & HALL on mycorrhizal infection, phosphorus uptake and growth of plants were determined. Infection of arbuscular mycorrhizal fungi was higher in onion than white clover and decreased with phosphate application. Mycorrhiza1 inoculation and phosphate application increased phosphorus uptake and growth of both plant species. Degree of increase with inoculation was greater in white clover inoculated with G. margarita and in onion inoculated with G. mosseae, respectively. It is shown that appropriate combination of mycorrhizal inoculation and phosphate application can improve the phosphorus uptake and growth of plants.
社団法人日本土壌肥料学会の論文
1995-02-05