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  • 1
    Electronic Resource
    Electronic Resource
    GERMANIUM HYDRIDE (1922)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 44 (1922), S. 1909-1918 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01430a009
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of age on the germination of Cassinia arcuata seeds in storage and buried in soil (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 37 (1997), S. 0 
    Details
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Seeds of Cassinia arcuata R. Br. (sifton bush), collected annually from near Orange (1987-92) and Boorowa (1987-89). New South Wales. Australia, were stored in a laboratory at a mean temperature of 21°C and a mean relative humidity of 25% and germinated each year for up to 8 years. Seeds from the 1990 and 1992 Orange collections were buried 5 mm and 40 mm deep in the soil for 0.5-2.7 years and the number and germinability of recovered seeds recorded. Germination capacity of seeds stored in the laboratory increased during the first 2 years of storage and then declined slightly in year 3 and markedly in years 4 and 5 to very low levels in year 6 and subsequent years. The seeds collected near Orange had nil germination after 6 years’storage, whereas Boorowa seeds still had 0.2% and 3.5% germination after 7 and 8 years’storage respectively. Seeds that failed to germinate were shown to be non-viable by the tetrazolium test. There was no decline in germination rate during the first 3 years of storage, but, thereafter, there was a substantial annual decline, which would reduce the rate of establishment of seedlings in the field and render them susceptible to competition from improved pastures. The longer and deeper the burial of seeds in the soil and the older the seeds, the fewer seeds that germinated when recovered; meaned for both depths of buriai 23% of 0.9-year-old seeds that had been buried for 0.5 years and 3.4% of 5.1-year-old seeds that had been buried for 2.7 years were recovered in a germinable state. The main causes of loss during burial were germination in the soil and destruction by soil organisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3180.1996.d01-4.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Effects of root- and stolon-infecting fungi on root-colonizing nematodes of white clover (2002)
    Oxford, UK : Blackwell Science Ltd
    Plant pathology 51 (2002), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The effects on white clover (Trifolium repens) of different combinations of the nematodes Meloidogyne trifoliophila, Helicotylenchus dihystera and Heterodera trifolii and nine stolon-infecting and three root-infecting fungi were studied in a glasshouse experiment. The presence of the fungus Phytophthora megasperma alone increased (P 〈 0·001) root-rot severity and reduced (P 〈 0·001) plant growth. Other species combinations, such as Phoma nebulosa and Alternaria alternata, interacted and increased root-rot severity. Combinations of P. megasperma with Pythium irregulare, and P. nebulosa with Phoma medicaginis or A. alternata, increased M. trifoliophila populations. Several other fungi (P. irregulare, P. nebulosa, Colletotrichum coccodes, Macrophomina phaseolina, P. medicaginis and Phoma sp.) interacted with the nematode M. trifoliophila causing severe root-knot symptoms. The results indicated that fungi and nematodes interacted to cause root and stolon rot and reduced yields, and that poor persistence of white clover in pastures is likely to be a problem with a complex etiology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-3059.2002.00686.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Kohlenoxyd und Kohlendioxyd (1928)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 75 (1928), S. 39-46 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01378653
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    Paper (German National Licenses)
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