Temat: aspergillus - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Entomopathogenic fungi in populations of the satin moth Stilpnotia salicis L.
Autorzy:: Ziemnicka, J
Sosnowska, D.
Powiązania:: https://bibliotekanauki.pl/articles/65121.pdf
Data publikacji:: 1997
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Beauveria bassiana
satin moth
Stilpnotia salicis
Aspergillus flavus
fungi
entomopathogenic fungi
population
Opis:: Six fungal species, Aspergillus flavus Link ex Fr., Beauveria bassiana (Bals.) Vuill., Acremonium sensu Gams, Fusarium sp. Link ex Fr., Paecilomyces farinosus (Holm. ex Gray) Brown et Smith as well a Paecilomyces fumosoroseus (Wize) Brown et Smith, have been isolated as result of studies on entomopathogenic fungi of the satin moth Stilpnotia salicis. The epizootic induced by the fungus B. bassiana in 1994 caused about 92% reduction of the pest population. That has been noted for the first time in a natural population of S. salicis in Poland.
Badania nad entomopatogennymi grzybami prowadzono w latach 1972 - 1996 na 33 populacjach białki wierzbówki Stilpnotia salicis L. pochodzących z 12 województw: bydgoskiego, ciechanowskiego, kaliskiego, katowickiego koszalińskiego, leszczyńskiego, legnickiego, płockiego, poznańskiego, toruńskiego, włocławskiego i zielonogórskiego. Trzynaście badanych populacji zakażonych było grzybami, w tym w jedenastu stwierdzono mieszaną infekcję z wirusami. Wyizolowano 6 gatunków grzybów: Aspergillus flavus Link ex Fr., Beauveria bassiana (Bals.) Vuill., Acremonium sensu Gams, Fusarium sp. Link ex Fr., Paecilomyces farinosus (Holm. ex Gray) Brown et Smith oraz Paecilomyces fumosoroseus (Wize) Brown et Smith. Obserwowana w 1994 roku epizoocja wywołana przez grzyb B. bassiana spowodowała około 92% redukcję populacji szkodnika. Zjawisko to notowane było po raz pierwszy w naturalnej populacji S. salicis w Polsce.
Źródło:: Journal of Plant Protection Research; 1997, 37, 1-2
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Antifungal activity of essential oils on Aspergillus parasiticus isolated from peanuts
Autorzy:: Yooussef, M.M.
Pham, Q.
Achar, P.N.
Sreenivasa, M.Y.
Powiązania:: https://bibliotekanauki.pl/articles/66729.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: antifungal activity
essential oil
antifungal agent
Aspergillus parasiticus
isolate
peanut
mycelial growth inhibition
Opis:: Aspergillus parasiticus is one of the most common fungi which contaminates peanuts by destroying peanut shells before they are harvested and the fungus produces aflatoxins. The aim of this study was to evaluate the antifungal activities of seventeen essential oils on the growth of the aflatoxigenic form of A. parasiticus in contaminated peanuts from commercial outlets in Georgia. The agar dilution method was used to test the antifungal activity of essential oils against this form of A. parasiticus at various concentrations: 500; 1,000; 1,500; 2,000; 2,500 ppm. Among the seventeen essential oils tested, the antifungal effect of cinnamon, lemongrass, clove and thyme resulted in complete inhibition of mycelial growth. Cinnamon oil inhibited mycelial growth at ≥ 1,000 ppm, lemongrass and clove oils at ≥ 1,500 ppm and thyme at 2,500 ppm. However, cedar wood, citronella, cumin and peppermint oils showed partial inhibition of mycelial growth. Eucalyptus oil, on the other hand, had less antifungal properties against growth of A. parasiticus, irrespective of its concentration. Our results indicate that the aflatoxigenic form of A. parasiticus is sensitive to selected essential oils, especially cinnamon. These findings clearly indicate that essential oils may find a practical application in controlling the growth of A. parasiticus in stored peanuts.
Źródło:: Journal of Plant Protection Research; 2016, 56, 2
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Aspergillus niger, a dominant phylloplane coloniser, influences the activity of defense enzymes in Solanum lycopersicum
Autorzy:: Goswami, S.
Paul, P.K.
Sharma, P.D.
Powiązania:: https://bibliotekanauki.pl/articles/2084798.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Aspergillus niger
phylloplane
peroxidase
phenylalanine ammonia lyase
polyphenol oxidase
Solanum lycopersicum
tyrosine ammonia lyase
Opis:: Phylloplane microbes have been studied as strategic tools in management against plant pathogens. Non-pathogenic bacteria and fungi have been applied as crop protectants against various plant diseases. The present study aimed at evaluating the potentiality of Aspergillus niger spores in altering the activity of four key enzymes related to defense in tomato. The experiment was designed such that two groups of 50 tomato plants were considered: group 1 – sprayed with autoclaved distilled water (control) and group 2 – sprayed with A. niger spores. Spraying was carried out under aseptic conditions. The experimental parameters included analysis of the activity of peroxidase (POX), polyphenol oxidase (PPO), phenylalanine ammonia lyase (PAL) and tyrosine ammonia lyase (TAL) as well as expression of POX and PPO isoforms. The results demonstrated an inductive effect of A. niger on the activity of POX, PPO, PAL and TAL. Enhanced expression of POX and PPO isoforms was also observed. The results indicated that A. niger can be considered probiotic for the management of tomato against its phytopathogens.
Źródło:: Journal of Plant Protection Research; 2019, 59, 4; 512-518
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Higher induction of defense enzymes and cell wall reinforcement in maize by root associated bacteria for better protection against Aspergillus niger
Autorzy:: Jha, Y.
Powiązania:: https://bibliotekanauki.pl/articles/2084643.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Aspergillus niger
β-1
3-glucanase
biotic factor
phenylalanine ammonia lyase
RAPD analysis
rhizosphere
root associated bacteria
Opis:: Root associated bacteria were isolated from Suaeda nudiflora and two isolates were selected for this study: rhizospheric Bacillus megaterium and endophytic Pseudomonas aeruginosa. These isolates were inoculated into maize variety Narmada Moti during its germination. TTC (2, 3, 5-triphenyl tetrazolium chloride) staining was used to confirm the association of the isolates with the maize root. The effects of these root associated bacteria were tested alone and in combinations for cell wall reinforcement and the induction of defense enzymes such as phenylalanine ammonia lyase (PAL) and β-1,3-glucanase in the presence of fungal pathogen Aspergillus niger in maize. The results indicated that the rhizospheric bacteria had a greater fight response to fungal infection than the endophhytic bacteria due to cell wall lignification as well as the rapid induction of higher concentrations of defense related enzymes.
Źródło:: Journal of Plant Protection Research; 2019, 59, 3; 341-349
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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