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  • 1
    Electronic Resource
    Electronic Resource
    Fungistasis as a Factor in the Rhizosphere Phenomenon (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 96-97 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1. Conidium of Fusarium solani that has produced a chlamydospore after being buried in soil. The latter has since germinated owing to the growth near it of a pea root While no definite explanation for the germination of previously inhibited fungal spores can yet be offered, it would seem ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/180096a0
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  • 2
    Electronic Resource
    Electronic Resource
    Examination of Soil Micro-organisms in their Natural Environment (1954)
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 750-751 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the present method, standard soil sampling and rock slicing techniques have been modified with the object of keeping the soil and soil micro-organisms as nearly as possible in their natural state. This involves keeping the stresses acting on the sample small and the temperature low. Small soil ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/174750b0
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  • 3
    Electronic Resource
    Electronic Resource
    Inoculation and field testing of Sitka spruce and Douglas fir with ectomycorrhizal fungi in the United Kingdom (1995)
    Springer
    Mycorrhiza 5 (1995), S. 165-173 
    Details
    ISSN: 1432-1890
    Keywords: Ectomycorrhiza ; Inoculation ; Field testing ; Laccaria spp ; Thelephora terrestris
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Picea sitchensis and Pseudotsuga menziesii seedlings were grown in containers, inoculated with ectomycorrhizal fungi, and planted in British forestry sites. Root samples taken during the year after planting were assessed for mycorrhiza formation. Survival and shoot height were assessed at the end of each year. Observations were made each autumn on the occurrence of sporophores of ectomycorrhizal fungi. Pot experiments were used to assess the colonization potential of soils from the experimental locations. Assessment of mycorrhiza formation by the inoculant fungi both before planting and the following year showed much variation among the fungi used. Similar variation was found among field sites. Inoculation with Laccaria isolates was most successful. Height measurements are reported for the first 2 years after planting, at which time there were few significant effects on growth of Picea sitchensis or Pseudotsuga menziesii seedlings. Experimental assessment of colonization potential was of little value in this work for predicting events in the forest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00203333
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  • 4
    Electronic Resource
    Electronic Resource
    Inoculation and field testing of Sitka spruce and Douglas fir with ectomycorrhizal fungi in the United Kingdom (1995)
    Springer
    Mycorrhiza 5 (1995), S. 165-173 
    Details
    ISSN: 1432-1890
    Keywords: Key words Ectomycorrhiza ; Inoculation ; Field testing ; Laccaria spp ; Thelephora terrestris
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Picea sitchensis and Pseudotsuga menziesii seedlings were grown in containers, inoculated with ectomycorrhizal fungi, and planted in British forestry sites. Root samples taken during the year after planting were assessed for mycorrhiza formation. Survival and shoot height were assessed at the end of each year. Observations were made each autumn on the occurrence of sporophores of ectomycorrhizal fungi. Pot experiments were used to assess the colonization potential of soils from the experimental locations. Assessment of mycorrhiza formation by the inoculant fungi both before planting and the following year showed much variation among the fungi used. Similar variation was found among field sites. Inoculation with Laccaria isolates was most successful. Height measurements are reported for the first 2 years after planting, at which time there were few significant effects on growth of Picea sitchensis or Pseudotsuga menziesii seedlings. Experimental assessment of colonization potential was of little value in this work for predicting events in the forest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005720050055
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  • 5
    Electronic Resource
    Electronic Resource
    Similar Effects on Tomato Plants of Azotobacter Inoculation and Application of Gibberellins (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 851-852 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] INOCULATION of seeds or seedlings of several kinds of crop plant with Azotobacter cultures can increase yields significantly13. Earlier flowering of wheat following Azotobacter treatment has also been observed by us and other workers4,5. Experiments with tomato (Lycopersicum esculentum) have now ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/203851a0
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  • 6
    Electronic Resource
    Electronic Resource
    Studies onAzotobacter species in soil (1962)
    Springer
    Plant and soil 17 (1962), S. 320-332 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The distribution of Azotobacter was studied in the rhizosphere of some crop plants grown in this country. Any rhizosphere effect was very small and frequently Azotobacter was suppressed. No cells were recovered from root washings, indicating absence from the root surface. Azotobacter was absent from the rhizosphere in acid soils. Inoculation of seeds, roots, and soil resulted in establishment of high numbers of Azotobacter in the rhizospheres of plants grown in soil of pH above 6.5 and containing a natural Azotobacter population. Seed inoculation was the most practical and led to good establishment throughout the root system, including adventitious roots of wheat. The final population in the rhizosphere depended on the size and age of the initial inoculum applied to the seed. Best results came from spraying seeds with 14-day-old cultures and sowing the seed on the same day.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01377671
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  • 7
    Electronic Resource
    Electronic Resource
    Studies onAzotobacter species in soil (1962)
    Springer
    Plant and soil 17 (1962), S. 309-319 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Methods for countingAzotobacter species in soil have been examined. The highest counts were obtained from soil suspensions shaken in sterile distilled water containing 10-g glass beads and plated on to glucose agar. Mannitol has been rejected as a suitable substrate in agar media because it gives lower counts of Azotobacter than glucose, an effect which is further enhanced by drying the agar plates. A clear medium free from precipitated phosphate and CaCO3 is recommended for the agar-plate method; the Azotobacter count is affected by the phosphate concentration. The agar-plate and dilution-tube methods were compared; the latter is less accurate but more convenient when many soil samples have to be examined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01377670
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of mycorrhizal inocula on the growth of Sitka spruce seedlings in different soils (1983)
    Springer
    Plant and soil 71 (1983), S. 313-317 
    Details
    ISSN: 1573-5036
    Keywords: Forest ; Glasshouse conditions ; Mycorrhizal fungi ; Nursery ; Seedling response ; Sitka spruce
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Different mycorrhizal fungi were tested for their effectiveness in promoting growth of Sitka spruce seedlings, in two contrasting soils, in a glasshouse pot experiment. In nursery soil,Laccaria amethystina significantly improved growth of seedlings in comparison toL. laccata. Seedlings inoculated with a forest isolate ofThelephora terrestris were significantly larger than those inoculated with a nursery isolate when grown in forest soil. The effectiveness ofComplexipes moniliformis in forest soil was poor in comparison to other mycorrhizal fungi. Strains aswell as species of mycorrhizal fungi affect seedling growth differently. These effects are further influenced by soil type.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182669
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  • 9
    Electronic Resource
    Electronic Resource
    Changes in the mycorrhizal status of Sitka spruce following outplanting (1983)
    Springer
    Plant and soil 71 (1983), S. 319-323 
    Details
    ISSN: 1573-5036
    Keywords: E-strain ; Forest ; Nursery ; Replacement ; Sitka spruce ; Thelephora terrestris
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Occurrence of mycorrhizal types in 4 forest sites and 4 nurseries was determined by mycorrhizal morphology. In total 25 distinct mycorrhizas were found, of which 14 were formed by identifiable fungi. The frequency of occurrence of the ‘E-strain’ fungus, the dominant nursery mycorrhizal fungus, decreases with the age of the outplanted seedling. Some mycorrhizal types were found in all the mature forest sites examined. The fungusT. terrestris was found on all age groups of Sitka spruce studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182670
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  • 10
    Electronic Resource
    Electronic Resource
    Fertilizer levels and fungal strain influence the development of ectomycorrhizae on Sitka spruce seedlings (1987)
    Springer
    New forests 1 (1987), S. 215-223 
    Details
    ISSN: 1573-5095
    Keywords: solid fertilizers ; containerized seedlings ; ectomycorrhizae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Effects of low, medium, and high applications of solid, controlled-release fertilizers on ectomycorrhizal formation of containerized Sitka spruce (Picea sitchensis (Bong.) Carr.) seedlings with a nursery or forest isolate of either Thelephora terrestris (Ehrh.) Fr., Laccaria laccata (Scop. ex Fr.) Cooke, or the “E-strain” fungus was evaluated 14 weeks after inoculation. The influence of fungal species and isolate source on seedling growth and nutrient status was also evaluated through an analysis of variance. Seedlings receiving the low level of fertilization were significantly smaller than those receiving the medium or high level. Fungal species and isolate source did not affect seedling size and was significant only for the percentage of short roots colonized which tended to be highest in the low fertilizer treatment. Analyses of foliage revealed that concentrations of nitrogen and phosphorus did not differ significantly by fertilizer level or fungal type whereas potassium was significantly higher at the low level of fertilization and magnesium was significantly lower at the low level of fertilization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00118759
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