ISSN:
1573-5036
Keywords:
Mycorrhizosphere
;
Organic acids
;
Pinus sylvestris
;
Rhizosphere
;
Soil
;
Streptomyces spp
Source:
Springer Online Journal Archives 1860-2000
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Summary The streptomycetes studied released into the medium the following organic acids: pyruvic, α-ketoglutaric, lactic, malic (or citric), succinic and oxalic. Soil streptomycetes produced more α-ketoglutaric-, lactic- and succinic acid than the root zone microorganisms. Mean indices of the total production of organic acids were in the following order: soil〉rhizosphere〉mycorrhizosphere. Amounts of pyruvic acid excreted by the soil streptomycetes were inversely proportional to their biomass, whereas those of α-ketoglutaric acid were directly proportional to dry weight. Small repeatability of the results of α-keto acids determinations in these organisms was stated.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02375138
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