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  • 1
    Electronic Resource
    Electronic Resource
    Growth responses and dependence of Acacia nilotica var. cupriciformis on the indigenous arbuscular mycorrhizal consortium of a marginal wasteland soil (1996)
    Springer
    Mycorrhiza 6 (1996), S. 441-446 
    Details
    ISSN: 1432-1890
    Keywords: Key words Acacia nilotica ; Indigenous AM consortium ; Infectivity potential ; Mycorrhizal dependence ; Phosphorus utilization efficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The responses of Acacia nilotica L. var. cupriciformis to phosphorus application and inoculation with the indigenous consortium of arbuscular mycorrhizal (AM) fungi were evaluated in a nursery experiment using soil from a marginal wasteland. A positive growth response to mycorrhizal inoculation was observed at an Olsen-P level of 20 ppm in the presence of the natural population of AM fungi. There was growth stimulation by either inoculation or additional P at the highest soil P of 40 ppm. Colonization was negatively correlated to soil P but P content of both shoot and root were positively correlated. Inoculation with the indigenous AM consortium significantly increased the uptake of P at all levels of applied P. Acacia is moderately dependent upon the AM symbiosis and exhibited a maximal mycorrhizal dependence (MD) of 18.25% at 20 ppm Olsen-P level under the conditions studied. A sharp and considerable reduction in MD and dry matter yield observed at 40 ppm P suggests that the external P requirement for maximal production of biomass was met at approximately 20 ppm Olsen-P.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005720050144
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A comparison of AM fungi inoculants using Capsicum and Polianthes in marginal soil amended with organic matter (1998)
    Springer
    Mycorrhiza 7 (1998), S. 307-312 
    Details
    ISSN: 1432-1890
    Keywords: Key words Arbuscular mycorrhiza ; Capsicum ; Formulations ; Inocula ; Organic matter ; Polianthes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Different types of nursery inocula formulations, namely mixed indigenous cultures and Glomus intraradices Schenck and Smith, were compared with commercially available inoculants of AM fungi in a pot experiment using two horticultural crops, Capsicum and Polianthes. Soil-based inocula and soil beads produced the highest response in both crops. Glomus intraradices resulted in the highest yield in both Polianthes (45% increase in spike length) and Capsicum (112% increase in fruit yield). Among the commercial inocula tested, only Mycorise enhanced spike length (33%) and fruit yield (11%) in the two hosts. Overall AM colonization was higher in Polianthes than in Capsicum. Sheared root inocula of G. intraradices resulted in high colonization (upto 68%) but the yield enhancement was lower than with soil-based formulations. The mixed indigenous culture produced the highest number of spores and propagules and commercial inocula the lowest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005720050197
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Mycorrhizal effects on the acclimatization, survival, growth and chlorophyll of micropropagated Syngonium and Draceana inoculated at weaning and hardening stages (1999)
    Springer
    Mycorrhiza 9 (1999), S. 215-219 
    Details
    ISSN: 1432-1890
    Keywords: Key words Mixed indigenous consortium ; Micropropagated plants ; Acclimatization period ; Substrate fertility ; Chlorophyll content
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Micropropagated plantlets of Syngonium podophyllum and Draceana sp. were inoculated during an early weaning stage of acclimatization with a mixed indigenous consortium of arbuscular mycorrhizal (AM) fungi. Both species were colonized but a significantly higher colonization was observed (38%) in Draceana than S. podophyllum when it was harvested after 20 weeks. Draceana plants showed little difference in the extent to which they were colonized, when examined either at the weaning stage or hardening stage; however, S. podophyllum plants at the weaning stage were better colonized than at 20 weeks. Survival was high in inoculated plants at lower fertility in both hosts. Moreover, S. podophyllum showed better stolon production than uninoculated controls at both fertility levels, though the increase was higher at lower fertility. Draceana showed no response in shoot height to any treatment. Chlorophyll accumulation in both hosts was significantly influenced by inoculation, fertility and stage (weaning and hardening). A significant increment in shoot P uptake was also observed in both hosts related to inoculation, stage and fertility. Inoculation with the AM consortium had a significant and favourable effect on acclimatization of micropropagated S. podophyllum and Draceana at the weaning stage, saving almost 15 days in the total hardening process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005720050269
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  • 4
    Electronic Resource
    Electronic Resource
    Effects of the particle size of soil-less substrates upon AM fungus inoculum production (2000)
    Springer
    Mycorrhiza 10 (2000), S. 43-48 
    Details
    ISSN: 1432-1890
    Keywords: Sand ; Perlite ; Glomus intraradices ; Charcoal ; Coalmarl
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Glomus intraradices was examined in a locally available sand graded by particle size, planted with Zea mays and fertilized with a nutrient solution. Plants in sand with particle sizes of 0.50–0.78 mm had higher root fresh weights, spore production and percent mycorrhizal colonization than with other particle sizes. Production of spores and infectious propagules was enhanced by a nutrient solution without P. Plants were also inoculated with G. intraradices in pots containing clay-brick granules, charcoal, coalmarl, sand or perlite of the optimal particle size (0.50–0.78 mm). Percent root length colonized by G. intraradices and production of infectious propagules were 40–50 % higher for plants grown in clay-brick granules and sand than in the other media.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005720050286
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  • 5
    Electronic Resource
    Electronic Resource
    Characterisation of the yeast Pichia membranifaciens and its possible use in the biological control of Botrytis cinerea, causing the grey mould disease of grapevine (2001)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 202 (2001), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Pichia membranifaciens strain FY-101, isolated from grape skins, was found to be antagonistic to Botrytis cinerea, the causal organism of the grey mould disease of the grapevine. When grown together on solid as well as liquid media, the yeast brings about the inhibition of this parasitic fungus, coagulation and leakage of its cytoplasm, and suppression of its ability to produce the characteristic grey mould symptoms on the grapevine plantlets. In vitro experiments confirm that this yeast can be used as a biological control organism against B. cinerea. An account of the molecular characterisation of P. membranifaciens (complete sequence of the ITS region of its ribosomal DNA, GenBank accession No. AF 270935), as well as the interaction between B. cinerea and the yeast, are given here.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.2001.tb10808.x
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Biomass production and changes in soil productivity during longterm cultivation of Prosopis juliflora (Swartz) DC inoculated with VA mycorrhiza and Rhizobium spp. in a semi-arid wasteland (1998)
    Springer
    Biology and fertility of soils 26 (1998), S. 208-214 
    Details
    ISSN: 1432-0789
    Keywords: Key words Biomass ; Prosopis juliflora ; Rhizobium ; Soil productivity ; VA mycorrhiza
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The growth of Prosopis juliflora and its contribution to soil enrichment following inoculation with three vesicular-arbuscular isolates, Glomus caledonius, Gigaspora calospora, and an indigenous strain, and two Rhizobium isolates, P-5 and Tal-600, were assessed. The trees were 6 years old and grew on a semi-arid wasteland. There was a significant increase in the biomass of closely spaced P. juliflora inoculated with G. caledonius alone. P. juliflora, growing on a relatively nutrient-deficient wasteland, significantly restored the soil productivity by ameliorating and enriching the soil. A significant reduction in the soil reaction (pH) and a considerable improvement in soil organic carbon build-up and phosphorus, at both depths, were observed in all the treatments by the end of the experiment. Moreover, although the total nitrogen content increased in comparison to controls, this increase was not statistically significant when comparisons were made between respective treatments at the beginning of the experiment and after 6 years‘ growth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003740050369
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