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  • 1
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary. The use of circulating immune complexes and a commercial monocolonal antibody to ovarian cancer (CA125 kit) in monitoring progress in patients with ovarian cancer has been assessed. While changes in immune complexes were apparent in some patients with active progression of disease, the marked change in values and linear trend make the use of CA125 a useful clinical marker.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 82 (1985), S. 2169-2170 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Plant pathology 45 (1996), S. 0 
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Infection estimates determined by a predictive model developed by Dodd et al. (1991b) were used to time fungicide sprays to control anthracnose disease of mango in the Philippines. For an amount of disease on fruits after harvest which was acceptable to growers, this approach resulted in the application of five fewer sprays compared with a standard spray programme used by the growers in a field trial conducted in 1991–1992. The model predicted only two high anthracnose-risk periods (〉40% of conidia forming appressoria) throughout the duration of the growing period. Rainfall intensity and its time of occurrence during fruit development was found to greatly influence the amount of anthracnose and stem-end rot disease on fruits after harvest. Three relatively strong precipitations (〉20 mm) within a month before harvest resulted in relatively high anthracnose infection of fruits after harvest. At a second field trial, rainfall periods during fruit development did not exceed 4 mm and resulted in virtually disease-free fruits after harvest, including those not treated with fungicide. Again the use of the predictive model resulted in the elimination of five fungicide treatments compared with the standard programme. The amount of rainfall and the time of its occurrence should be considered when planning a disease management scheme for the control of anthracnose on mango fruit.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Weed research 29 (1989), S. 0 
    ISSN: 1365-3180
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Production of viable seeds occurred in immature capitula of Silybum marianum following simulated slashing and mowing. In the slashing treatment, capitula with 20 cm or less of stem attached produced viable seeds if cut off when at least half the florets were open, the proportion of viable seeds ranging from 0·3% in capitula at midanthesis to 12% in those at the end of anthesis. Following mowing, viable seeds were produced in full-sized buds which were close to anthesis and in capitula at any stage of anthesis at the time of plant cutting, the proportion increasing from 0·1% in capitula at the start of anthesis to 30% in those at the end. Within a capitulum, anthesis usually lasted five days in irrigated plants. Ripe seeds were released about 17 days later. Seed production averaged 190 seeds for the primary capitulum and 114 in others. In a flowering season starting in early November and lasting about two months, individual plants had the potential to produce an average of 55 capitula, representing an output of 6350 seeds per plant, of which 94% were viable. In view of the prolonged flowering season and the large seed output of S. marianum, it is argued that the restricted period of oviposition by the weevil Rhinocyllus conicus and the low density of larvae per capitulum might limit its impact as a biological control agent for this weed in Australia.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1890
    Keywords: Key words Alkaline phosphatase ; Mycelium ; Acaulospora ; Gigaspora ; Glomus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Two glasshouse experiments were done to assess the development and metabolic activity of mycorrhizas formed by isolates of arbuscular mycorrhizal fungi (AMF) from three different genera, Acaulospora, Gigaspora and Glomus on either Pueraria phaseoloides L. or Desmodium ovalifolium L. plants. The second of the two experiments included three levels of a localised phosphate source in the pots. Alkaline phosphatase (ALP), stained histochemically in the intra-radical mycelium (IRM) of AMF over sequential harvests, did not provide a direct marker for the efficiency of AMF in mobilising phosphorus (P) for plant growth and development. The ability of the extra-radical mycelium (ERM) to scavenge a localised phosphate source, determined by its extraction from buried 35-μm mesh pouches, was dependent on the species of AMF tested. This work indicates that AMF from different genera have unique patterns of mycelial development when forming mycorrhizas with tropical hosts in the presence of a localised phosphate source. AMF also appear to have different mechanisms for the control of P transfer, within the mycelium, to the host. The significance of the architecture of the ERM is discussed as well as the localisation of ALP in the IRM in determining the efficiency of AMF in terms of P accumulation in planta and subsequent growth of plants.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Mycorrhiza 6 (1996), S. 275-278 
    ISSN: 1432-1890
    Keywords: Key words Arbuscular mycorrhiza ; Glomales ; BEG ; Expert System ; CD-ROM
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Knowledge of the biodiversity of arbuscular mycorrhizal fungi is limited and keys for their identification are not in a user-friendly format for the non-expert. An Expert System, linked to the BEG (La Banque Européenne des Glomales), has been developed on a CD-ROM to produce a multimedia identification system for these fungi.
    Type of Medium: Electronic Resource
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  • 7
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    London : Periodicals Archive Online (PAO)
    The Contemporary Review. 112 (1917:July/Dec.) 320 
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Biology and fertility of soils 7 (1989), S. 113-119 
    ISSN: 1432-0789
    Keywords: Vesicular-arbuscular mycorrhiza ; Herbicides ; Wheat ; Glomus spp. ; Spore germination ; Root infection ; Triticum aestivum L. ; Bifenox ; Mecoprop ; Difenzoquat methyl sulphate ; Chlortoluron
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary We studied the effects of field application rates of four herbicides (Avenge, Ceridor, Dicurane, and Harrier) on spore germination and infection of wheat roots by three species of Glomus grown under conditions of low P availability. Low concentrations of Ceridor (bifenox, mecoprop) and Harrier (mecoprop, ioxynil, clopyralid) inhibited spore germination while higher concentrations were stimulatory. Avenge (difenzoquat methyl sulphate) prevented spore germination completely, while Dicurane (chlortoluron) had no effect. The herbicide applications had no significant effect on the infection rates of any of the three fungi except Harrier on G. geosporum. The herbicide treatments did, however, affect plant growth and ear yields. Ceridor and Harrier increased ear yields, while Dicurane showed marked phytotoxic effects.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Biology and fertility of soils 7 (1989), S. 120-128 
    ISSN: 1432-0789
    Keywords: Vesicular-arbuscular mycorrhiza ; Fungicides ; Glomus spp. ; Spore germination ; Root infection ; Carbendazim ; Tridemorph ; Propiconazole ; Triticum aestivum L.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary We studied the effects of field application rates of three fungicides on spore germination and root infection in three species of Glomus. Bavistin (carbendazim) prevented germination of spores of G. monosporum and G. mosseae whereas Calixin (tridemorph) had no effect. Tilt Turbo (propiconazole) inhibited spore germination less than Bavistin. Spores of G. geosporum germinated in the presence of all three fungicides. Foliar applications of Bavistin alone and in a triple-spray programme significantly reduced infection of all three Glomus species in wheat roots grown in conditions of low P availability (2 mg P 1−1). Two fungicides with triazole derivatives, Sportak and Tilt Turbo, also decreased infection and the former significantly reduced spore production of all three Glomus species. Calixin-treated plants, however, showed increased infection levels, resulting in greater yields and greater foliar-P concentrations than control plants. Milgo (ethirimol) was not detrimental to the vesicular-arbuscular mycorrhizal (VAM) symbiosis when applied as a foliar spray.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1573-7381
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The ultrastructural characteristics of primary afferent fibres, which express α-galactose extended oligosaccharides recognized by LD2 and LA4 monoclonal antibodies, and the subcellular localization of these oligosaccharides were studied. LD2 and LA4 antibodies both label intensely the plasma membrane of primary afferent fibres, and with LD2 antibody all immunoreactive profiles also possessed strong intracellular staining. In contrast, intracellular staining with LA4 antibody was observed in only a subpopulation of stained profiles. LD2-immunoreactive fibres were detected in trigeminal and Lissauer tracts and in lamina I (LI) and lamina II (LII), and appeared as a mixture of unmyelinated and myelinated fibres. The highest density of LD2-immunoreactive synaptic boutons was found in lamina II outer (LIIo). Many of the terminals were simple dome-shaped terminals, making single asymmetric synapses over small and medium-sized dendritic shafts and dendritic spines. All LA4-immunoreactive fibres were unmyelinated. In addition, some small scalloped central-glomerular terminals contacting two or three dendrites were found. LA4-immunoreactive fibres were found more frequently than terminals and appeared most heavily immunostained in trigeminal and Lissauer tracts. In the neuropil of LI and LII, LA4 profiles were generally very weakly immunostained, although a small sample of immunostained synaptic boutons was detected. All LA4-immunoreactive terminals were found in lamina II inner (LIIi) and made simple asymmetric axodendritic synapses. In addition to axons and terminals, some dendrites exhibited LD2 immunoreactivity and this was most intense in the region of synaptic vesicles. In addition to neurons, some endothelial cells were immunostained with LD2 antibody and astrocytes were immunostained with LA4 antibody.
    Type of Medium: Electronic Resource
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