نتایج جستجو برای: alternaria spp
تعداد نتایج: 54697 فیلتر نتایج به سال:
Prevalent fungal pathogens of cereals in Lithuania belong to diverse systematic groups and this makes search for microbial biocontrol measures rather difficult. One of the options would be broad-spectrum biocontrol agents. In order to find these, 1037 seed-borne and 11 soil-borne rhizosphere pathogenic fungi were isolated and their systematic position determined. Fungi of genera Alternaria, Ulo...
A total of 134 clinical samples such as hair plucks and skin scrapings were collected from dogs with cutaneous lesions of alopecia, hyperpigmentation, and scales. A part of clinical material was directly examined under microscope after digestion with 10% potassium hydroxide. The remaining material was cultured in Sabouraud‘s Dextrose agar to study the presence of fungi based on the colony morph...
Fungal endophytes are important in plant ecology and common in plants. We attempted to test cointroduction and host-jumping hypotheses on a community basis by comparing endophytes isolated from invasive spotted knapweed (Centaurea stoebe, Asteraceae) in its native and invaded ranges. Of 92 combined, sequence-based haplotypes representing eight classes of Fungi, 78 occurred in only one of the tw...
A batata é a solanácea de maior importância econômica no agronegócio mundial. ocorrência doenças causadas por fungos e chromistas (oomicetos cercozoários) pode comprometer seriamente cultura, o rendimento qualidade tubérculos. Entre os danos causados destacam-se principalmente: falhas germinação; tombamentos; manchas foliares; lesões em caules, murchas; podridões; manchas, má formação apodrecim...
The anecic earthworm Lumbricus terrestris L. was kept in laboratory microcosms containing beech forest soil without litter, with beech leaf litter or with lime leaf litter. The structure of microfungal communities in soil, litter and fresh and aged (100 days) earthworm faeces was analysed using the washing and plating technique. The passage of mineral soil through the gut of L. terrestris affec...
The world potato is facing major economic losses due to disease pressure and environmental concerns regarding pesticides use. This work aims at addressing these two issues by isolating indigenous bacteria that can be integrated into pest management strategies. More than 2,800 strains of Bacillus-like and Pseudomonas-like were isolated from several soils and substrates associated with potato agr...
Asthma exacerbations can be caused by a number of factors, including the fungal allergen Alternaria, which is specifically associated with severe and near-fatal attacks. The mechanisms that trigger lung responses are unclear and might vary between allergens. A comparison between Alternaria, Aspergillus, Candida, and house dust mite, all allergens in humans, showed that only Alternaria promoted ...
Problems in the degradation and biodegradation of cultural heritage objects exposed or stored public buildings museums construction materials are caused (between others) by activity microorganisms. Biodeterioration can be observed not only at level building museum buildings, but also from which art made (natural artificial) is determined factors such as chemical composition nature material, mic...
Fungi are eukaryotic, heterogeneous, unicellular to filamentous, spore-bearing, and chemoorganotrophic organisms which lack chlorophyll. This present study was carried out isolate identify fungi from petroleum-contaminated soil. Several fungal genera included Rhizopus spp., Mucor Penicillium Rhizoctonia Aspergillus Alternaria Cladosporiumspp. were isolated using potatoes dextrose agar, Czapek-D...
This research is focused on evaluating the impact of crude oil and kerosene soil microbiota. The enumeration total heterotrophic bacterial count revealed that impacted with yielded low microbial counts ranged from 3.2 × 106 CFU/g, 105 to 2.6 103 CFU/g while coliform obtained samples ranges 105CFU/g 2.2 CFU/g. fungal 2.0 x 102 1.4 genera bacteria isolated soils belong genera: Pseudomonas spp., B...
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