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Wyszukujesz frazę "airborne fungi" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Important phytopathogenic airborne fungal spores in a rural area: incidence of Botrytis cinerea and Oidium spp.
Autorzy:
Oliveira, M
Guerner-Moreira, J.
Mesquita, M.M.
Abreu, I.
Powiązania:
https://bibliotekanauki.pl/articles/49320.pdf
Data publikacji:
2009
Wydawca:
Instytut Medycyny Wsi
Tematy:
airborne fungi
fungi
airborne spore
grey mould
phytopathology
powdery mildew
rural area
Botrytis cinerea
Oidium
Vitis vinifera
Źródło:
Annals of Agricultural and Environmental Medicine; 2009, 16, 2; 197-204
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Human exposure to airborne fungi from genera used as biocontrol agents in plant production
Autorzy:
Madsen, A M
Hansen, V.M.
Meyling, N.V.
Eilenberg, J.
Powiązania:
https://bibliotekanauki.pl/articles/49861.pdf
Data publikacji:
2007
Wydawca:
Instytut Medycyny Wsi
Tematy:
Trichoderma
occupational health
indoor air
airborne fungi
Ulocladium
biological control agent
plant production
Verticillium
allergy
Lecanicillium
human exposure
Beauveria
Paecilomyces
Opis:
The fungi Trichoderma harzianum, T. polysporum, T. viride, Paeciliomyces fumosoroseus, P. lilacinus, Verticillium/lecanicillium lecanii, Ulocladium oudemansii, U. atrum and Beauveria bassiana are used or considered to be used for biocontrol of pests and plant diseases. Human exposure to these fungi in environments where they may naturally occur or are used as biocontrol agents has not been directly investigated to date. This review aims to provide an overview of the current knowledge of human exposure to fungi from the relevant genera. The subject of fungal taxonomy due to the rapid development of this issue is also discussed. B. bassiana, V. lecanii, T. harzianum, T. polysporum, P. lilacinus and U. oudemansii were infrequently present in the air and thus people in general seem to be seldom exposed to these fungi. However, when V. lecanii was present, high concentrations were measured. Fungi from the genera Trichoderma, Paecilomyces and Ulocladium were rarely identifi ed to the species level and sometimes high concentrations were reported. T. viride and U. atrum were detected frequently in different environments and sometimes with a high frequency of presence in samples. Thus, people seem to be frequently exposed to these fungi. Sequence data have led to recent revisions of fungal taxonomy, and in future studies it is important to specify the taxonomy used for identifi cation, thus making comparisons possible.
Źródło:
Annals of Agricultural and Environmental Medicine; 2007, 14, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Detection of airborne microbes in a composting facility by cultivation based and cultivation-independent methods
Autorzy:
Albrecht, A
Witzenberger, R.
Bernzen, U.
Jackel, U.
Powiązania:
https://bibliotekanauki.pl/articles/50677.pdf
Data publikacji:
2007
Wydawca:
Instytut Medycyny Wsi
Tematy:
composting process
airborne microbe
humification
cultivation-independent method
degradation
organic material
bacteria
fungi
counting efficiency
waste management
detection
compost
Opis:
Standard methods for quantifi cation of airborne bacteria are based on cultivation and counting of grown colonies. From complex natural environments it is known that only a small fraction of the total number of cells can be cultivated on routinely used agar-media. Direct microscopic cell counting after DNA-staining usually generates higher concentrations of one to two magnitudes. The objective of the presented study was to compare the concentrations of airborne bacteria sampled in a composting facility by using for any sample the cultivation on trytic soy agar (TSA) – agar, as well as direct counting after DAPI-staining. The concentrations after counting grown colonies were within a range of 105-107 cfu m-3. Concentrations of direct counted cells ranged between 106-109 microbes m-3. In these comparative measurements only 1.5-15.3% of the airborne bacterial cells enumerated by direct counting formed countable colonies after incubation on TSA-agar. Obviously, cultivation based methods underestimate the real amount of airborne microbes. In addition, from literature it is known that inactive or even dead cells can also have the potential to cause health effects. Consequently, a risk assessment based only on measuring colony forming units may, in some cases, not be sufficient.
Źródło:
Annals of Agricultural and Environmental Medicine; 2007, 14, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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