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  • Vesicular-arbuscular mycorrhiza  (2)
  • BEG  (1)
  • Catecholamine fibres  (1)
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Materialart
Erscheinungszeitraum
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    The BEG Expert System – a multimedia identification system for arbuscular mycorrhizal fungi (1996)
    Springer
    Mycorrhiza 6 (1996), S. 275-278 
    Details
    ISSN: 1432-1890
    Schlagwort(e): Key words Arbuscular mycorrhiza ; Glomales ; BEG ; Expert System ; CD-ROM
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s005720050137
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Effects of herbicides on three vesicular-arbuscular fungi associated with winter wheat (Riticum aestivum L.) (1989)
    Springer
    Biology and fertility of soils 7 (1989), S. 113-119 
    Details
    ISSN: 1432-0789
    Schlagwort(e): Vesicular-arbuscular mycorrhiza ; Herbicides ; Wheat ; Glomus spp. ; Spore germination ; Root infection ; Triticum aestivum L. ; Bifenox ; Mecoprop ; Difenzoquat methyl sulphate ; Chlortoluron
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Geologie und Paläontologie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00292568
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Effect of fungicides on three vesicular-arbuscular mycorrhizal fungi associated with winter wheat (Triticum aestivum L.) (1989)
    Springer
    Biology and fertility of soils 7 (1989), S. 120-128 
    Details
    ISSN: 1432-0789
    Schlagwort(e): Vesicular-arbuscular mycorrhiza ; Fungicides ; Glomus spp. ; Spore germination ; Root infection ; Carbendazim ; Tridemorph ; Propiconazole ; Triticum aestivum L.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Geologie und Paläontologie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00292569
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Distribution of monoamines in the diencephalon and pituitary of the dogfish, Scyliorhinus canicula L. (1973)
    Springer
    Cell & tissue research 137 (1973), S. 451-469 
    Details
    ISSN: 1432-0878
    Schlagwort(e): Hypothalamus ; Pituitary ; Elasmobranch ; Catecholamine fibres ; Fluorescence microscopy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary The distribution of monoamines in the diencephalon and pituitary of the dogfish, Scyliorhinus canicula, has been investigated using the histochemical fluorescence technique of Falck and Hillarp (Falck and Owman, 1965). Terminals of monoamine-containing axons were found in the neurointermediate lobe of the pituitary and the axons were traced, by means of nialamide and L-dopa treatment and lesions, to the nucleus medius hypothalamicus. A separate hypothalamic system converging on the anterior median eminence and the occurrence of aminergic cells in the nuclei lobi inferiores and nucleus medius hypothalamicus were similarly demonstrated. Normal fish show a bilateral uncrossed tegmental tract and two areas of catecholamine-containing neurones in modified ependymal organs. The organum vasculosum hypothalami includes both primary catecholamine and 5-hydroxytryptamine-containing cell types whilst the organum vasculosum praeopticum has only the former type. Both organs contain cells which send club-like processes into the third ventricle. The subcommissural organ does not contain monoamines. The role of hypothalamic catecholamine systems in the regulation of pituitary function is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00307223
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