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  • 1990-1994  (2)
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Materialart
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    Incidence of Acremonium lolii and lack of correlation with barley yellow dwarf viruses in Tasmanian perennial ryegrass pastures (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 41 (1992), S. 0 
    Details
    ISSN: 1365-3059
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: The perennial ryegrass endophyte Acremonium lolii occurred in all ryegrass (Lolium perenne) pastures sampled in Tasmania. Cultivars tested included Ellett, Martlet, Tasdale, Tasmanian No. 1 and Victorian. The range in incidence was 4–94% (average 66%). Many pastures more than 4 years old caused perennial ryegrass staggers syndrome in livestock, and the range in incidence in these pastures was 79–94%. There was no correlation, positive or negative, between barley yellow dwarf virus infection and the incidence of A. lolii. There was good agreement between ELISA and microscopic examination of epidermal strips. However unlike previous studies, the ELISA test was specific for A. lolii and did not detect Acremonium coenophialum, the endophyte of tall fescue.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-3059.1992.tb02312.x
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Barley yellow dwarf viruses in Japanese pasture grasses and lack of correlation with the presence of fungal endophytes (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 42 (1993), S. 0 
    Details
    ISSN: 1365-3059
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Pasture grasses from temperate Japan were tested for infection with barley yellow dwarf viruses (BYDVs) and fungal endophytes. BYDVs from both the MAV and RPV subgroups were detected, but no symptoms attributable to BYDV infection were observed. Not all isolates from the MAV subgroup could be clearly discriminated as MAV or PAV solely on ELISA results, and may have been intermediate serotypes or mixed infections. BYDVs were found to infect fescue (Festuca arundinacea: 17%), ryegrass (Lolium perenne: 41%), timothy (Phleum pratense: 94%) and Poa spp. (20%). Fescue and ryegrass were predominantly infected with RPV and PAV, respectively. The small collections of Poa spp. were only infected with PAV, while timothy was only tested for MAV subgroup viruses. In fescue 26% of tillers were infected with Acremonium coenophialum, and 60% of ryegrass tillers from an ecotype collection were infected with Acremonium lolii. There was no correlation between BYDV infection and the presence of endophytes for the above species or for Epichloe typhina-infected (50%) timothy. An ELISA test for A. lolii did not detect A. coenophialum in fescue or E. typhina in timothy but showed good agreement with epidermal staining of A. lolii in ryegrass leaf sheaths.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-3059.1993.tb01465.x
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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