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    Wyświetlanie 1-4 z 4
    Tytuł:
    Side effects of fungicides and insecticides on entomopathogenic fungi in vitro
    Autorzy:
    Fiedler, Z.
    Sosnowska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/65735.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    entomopathogenic fungi
    colony growth
    side effect
    fungicide
    insecticide
    in vitro
    sporulation
    Opis:
    Products based on different strains of entomopathogenic fungi are now being used in Integrated Pest Management (IPM) programs. Compatibility studies of chemical and biological control agents are necessary to be able to give proper recommendations for their integrated use. The effect of three insecticides based on imidacloprid, spinosad and abamectin, and three fungicides based on chlorothalonil, azoxystrobin and thiophanate-methyl on the activity of the following entomopathogenic fungi: Metarhizium anisopliae (Metschn.) sensu lato, Beauveria bassiana (Bals.-Criv.) Vuill., Acremonium sp. was tested under laboratory conditions. Tests of the influence of the pesticides on growth and production of conidia were performed. From this study, we concluded that all tested insecticides can be applied together with fungus B. bassiana products in IPM programs. They even stimulate sporulation of this fungus at the recommended dose, 0.5 of the recommended dose and 1.5 times the recommended dose. In the case of fungicides we observed inhibition of growth and sporulation of B. bassiana and reduction of growth and sporulation of other species of fungi.
    Źródło:
    Journal of Plant Protection Research; 2017, 57, 4
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphologial variation in colonies of Chalara fraxinea isolated from ash (Fraxinus excelsior L.) stems with symptoms of dieback and effects of temperature on colony growth and structure
    Zróżnicowanie morfologiczne kolonii Chalara fraxinea wyizolowanych z jesionów (Fraxinus excelsior L.) z objawami zamierania oraz wpływ temperatury na ich wzrost i strukturę
    Autorzy:
    Kowalski, T.
    Bartnik, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/28411.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    morphological variation
    colony
    Chalara fraxinea
    isolation
    ash
    Fraxinus excelsior
    stem
    dieback symptom
    temperature effect
    colony growth
    colony structure
    Opis:
    The present paper presents the results of long-term observations of differences in growth and morphology of colonies of C. fraxinea isolated from ash stems with symptoms of dieback and the results of studies on effects of temperature on growth and morphology of colonies in vitro. Thirty randomly chosen C. fraxinea cultures, originating from six Forest Districts in southern and northern Poland, viz. Andrychów, Gryfice, Kańczuga, Lębork, Miechów and Mircze, were included in the temperature assay. Colony growth and morphology were evaluated in vitro, on malt extract agar. Two replicates of each isolate were incubated at 5, 10, 15, 20, 25 and 30oC in darkness. Colonies of C. fraxinea isolated from necrotic stem tissues of diseased ash trees differed greatly in colour, structure, growth rate, presence of sectors and stromata as well as the intensity of conidial sporulation. Colony characters were often lost in further sub-cultures grown on the same medium. Colonies of C. fraxinea grew at 5-25oC in vitro. Three isolates still grew, though slowly, at 30oC. The optimum temperature for growth was 20oC. Among 30 isolates tested, five grew most quickly at 25oC and four at 15oC. Differences among colony diameters recorded at 5, 10, 15, 20 and 30oC were statistically significant, while differences at 15 and 25oC were not. At some temperatures, statistically significant differences in growth rate were related to the origin of the isolates. There were three main colony colour types. Temperature was the main factor affecting colony morphology in vitro. The formation of sectors was observed in 36% of colonies, pseudoparenchymatous stromata in 10.4% of colonies, and white crystalline substances in 53.3% of colonies. The results of in vitro observations were used for discussion of the effects of temperature on growth and activity of C. fraxinea in vivo.
    Źródło:
    Acta Agrobotanica; 2010, 63, 1
    0065-0951
    2300-357X
    Pojawia się w:
    Acta Agrobotanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The search for new biological activities for selected insect peptides
    Autorzy:
    Kuczer, M.
    Dziubasik, K.
    Luczak, M.
    Majewska, A.
    Kamysz, W.
    Saniewska, A.
    Konopinska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/55140.pdf
    Data publikacji:
    2008
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    antitumour peptide
    antifungal activity
    antiviral peptide
    oostatic peptide
    antiviral activity
    Phoma narcissi
    Botrytis tulipae
    colony growth
    biological property
    antimicrobial activity
    insect peptide
    biological activity
    insect
    peptide
    Opis:
    New biological properties of selected insect peptides are presented. The subjects of the investigation included insect oostatic peptides, like Neb-colloostatin (I) and Neb-TMOF(II), and/or insect peptides with antiviral or antitumor activity, such as alloferon (III) and its analogues modified at position 1 of the peptide chain. In the study was also included the oligopeptide Any-GS (VII) and its truncated analogues. The peptides were tested for antimicrobial activity on a series of bacterial species, antiviral activity against Human Herpes Virus type 1 (HHV-1) in vitro using a Vero cell line, and the growth and development of plant pathogens Phoma narcissi and Botrytis tulipae. The results of the biological investigations indicate that among the peptides investigated, compounds VII and IX inhibit the growth of plant pathogens P. narcissi and B. tulipae, whereas compounds I and II stimulate the mycelium growth of the aforementioned pathogens. Other peptides show slow antimicrobial activity but do not inhibit the replication of HHV-1 in Vero cells.
    Źródło:
    Pestycydy; 2008, 1-2; 5-11
    0208-8703
    Pojawia się w:
    Pestycydy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of biopreparations and synthetic fungicides on growth on micorrhizal fungus Oidiodendron sp. in vitro
    Wpływ biopreparatów i syntetycznych fungicydów na wzrost in vitro grzyba mikoryzowego Oidiodendron sp.
    Autorzy:
    Marjańska-Cichoń, B.
    Sapieha-Waszkiewicz, A.
    Miętkiewski, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/11364526.pdf
    Data publikacji:
    2005
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Biosept 33 SL biopreparation
    synthetic fungicide
    propolis
    fungi
    growth colony
    Oidiodendron
    Bioczos SL biopreparation
    fungicide
    mycorrhizal fungi
    growth
    Biochikol 020 PC preparation
    in vitro growth
    Opis:
    The influence of biopreparations Bioczos SL, Biosept 33 SL, Biochikol 020 PC, Propolis and synthetic fungicides Euparen Multi 50 WG, Horizon 250 EW and Teldor 500 SC was examined on the growth of micorrhizal fungus Oidiodendron sp. Fungicides were added to PDA medium at the following concentrations: recommended dose, 5-times lower than the recommended and 5-times higher than the recommended. The synthetic fungicides were more toxic to Oidiodendron sp. than biopreparations. On the medium containing Horizon 250 EW fungus did not growth. The greather part of biopreparations inhibited growth of Oidiodendron sp. but only Bioczos SL and Propolis in dose 5-times higher than the recommended, toataly inhibited growth of fungus colonies.
    Badano wpływ biopreparatów Bioczos SL, Biosept 33 SL, Biochikol 020 PC, Propolis oraz fungicydów syntetycznych Euparen Multi 50 WG, Horizon 250 EW oraz Teldor 500 SC, na wzrost i rozwój grzyba mikoryzowego Oidiodendron sp. Do pożywki PDA dodawano badane preparaty w dawkach: zalecanej w praktyce rolniczej, 5-krotnie mniejszej i 5-krotnie większej od zalecanej, a następnie inokulowano grzybem Oidiodendron sp. Wykazano, że fungicydy syntetyczne okazały się bardziej toksyczne w stosunku do badanego grzyba niż biopreparaty. Preparat Horizon 250 EC przy koncentracji zalecanej uniemożliwił wzrost grzyba do końca trwania eksperymentu. Większość biopreparatów ograniczało wzrost grzyba Oidiodendron sp., lecz tylko przy stężeniu najwyższym, w przypadku Bioczosu SL oraz Propolisu, obserwowano całkowite zahamowanie wzrostu kolonii grzyba.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2005, 04, 2; 11-19
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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