A GREEN PIGMENT SIMILAR TO THE PG FRACTION OF P TYPE HUMIC ACIDS AND RELATED COMPOUNDS PRODUCED BY LITTER-DECOMPOSING FUNGI

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概要

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• The coloring matter of fruiting bodies which were formed by wood-decomposing fungi (Ascomycetes, Xylariaceae) was investigated. Alkali-soluble green pigmants showing absorption spectra similar to that of Pg were obtained from the fruiting bodies of three species, Hypoxylon annulatum, Hypoxylon sp., and one unidentified fungus. Alkali-insoluble perylenequinones were detected in all the fruiting bodies examined. The organisms most likely to produce Pg and/or its precursor were selected from the viewpoint of the chemical nature of the pigments and the ecology of the organisms. It was concluded that a mycorrhiza former (Cenoccocum graniforme), and five litter decomposers (Alternaria tenius, Aureobasidium pullulans, Hypoxylon annulatum, and two others ) were producers of Pg and/or its precursor. On the other hand, Elsinoe sp., Cercosporina sp., and Cladosporium sp. which are parasites and whose pigments were found to be chemically different from Pg, were not considered to be main producers of the Pg precursor.

• 社団法人日本土壌肥料学会の論文

著者

• Sato Osamu

  Water Research Institute Nagoya University

関連論文

• THE CHEMICAL NATURE OF COMPONENTS OF PG : GREEN FRACTION OF P TYPE HUMIC ACID
• METHODS FOR ESTIMATING Pg CONTENT IN P TYPE HUMIC ACID AND FOR CALCULATING ΔLOG K OF ITS Pb FRACTION
• THE CHEMICAL NATURE OF THE GREEN FRACTION OF P TYPE HUMIC ACID
• A GREEN PIGMENT SIMILAR TO THE PG FRACTION OF P TYPE HUMIC ACIDS AND RELATED COMPOUNDS PRODUCED BY LITTER-DECOMPOSING FUNGI
• THE DISTRIBUTION OF PG (GREEN FRACTION OF P TYPE HUMIC ACID) AND THE DEGREE OF HUMIFICATION OF PB (BROWN FRACTION OF P TYPE HUMIC ACID) IN SOILS OF CENTRAL JAPAN

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