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    Wyświetlanie 1-8 z 8
    Tytuł:
    Surface waxes as a plant defense barrier towards grain aphid
    Autorzy:
    Wojcicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/19836.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The electrical penetration graph (EPG) method was used to quantify the effect of surface waxes on probing behaviour of the grain aphid Sitobion avenae F. (Hemiptera: Aphididae). The experiments showed that wax removal significantly affected probing behaviour of S. avenae. Generally, the aphids feeding on the plants without wax had a shortened non-probing (EPG-pattern np) and prolonged penetration of peripheral tissues – epidermis and mesophyll (EPG-pattern C). The EPG tests also showed that the three tested extracts of surface waxes from waxy plants RAH 122 were active as aphicides against the grain aphid.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2015, 57, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    COVID-19 patient in a dental office – literature review
    Autorzy:
    Wojcicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2098193.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    COVID-19
    dentistry
    dental office
    dental treatment
    patient
    high risk
    dentist
    Opis:
    ntroduction. The outbreak of the COVID-19 pandemic caused by the SARS-COV-2 virus affected the functioning of dental care. Dentists performing procedures in the patient’s respiratory tract, creating an aerosol, constitute a group of high risk of infection. Over the years, the universal way of cross-matching has changed. Objective. The aim of the study is to review the current literature and present the impact of the pandemic on dental practices, and the introduced new solutions to existing procedures to prevent infections among workers and patients. State of knowledge. Dental office workers are exposed to a virus with a high potential for spreading among the population. Most of the infected patients (80%) are asymptomatic, therefore each patient should be treated as a potential carrier of SARS- COV-2. Practice rooms should be adapted by removing unnecessary items, such as newspapers and brochures. Providing a higher level of personal protective equipment, minimum FFP, and covering the body surface create a physical barrier against this pathogen. It is recommended to use manual intruments instead of mechanical ones which generate aerosol during dental procedures. Non-contact channels of communication with the patient (teledentistry) eliminate the risk of infection and should be used in the initial patient assessment and medical advice that does not require a personal visit. Conclusions. In the face of the pandemic caused by the SARS-COV-2 virus, it is the duty of dentists to properly prepare their offices, provide personal protective equipment to medical staff and patients, and adapt medical procedures to combat the epidemic situation. Dentists should also use teledentistry, which, with certain limitations, allows them to help patients without the risk of transmitting the virus.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2020, 14, 4; 160-164
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in pigment content of triticale genotypes infested with grain aphid Sitobion avenae (Fabricius) (Homoptera: Aphididae)
    Autorzy:
    Wojcicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/19114.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2014, 56, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of epicuticular waxes from triticale on the feeding behaviour and mortality of the grain aphid, Sitobion avenae (Fabricius) (Hemiptera: Aphididae)
    Autorzy:
    Wojcicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/66422.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    epicuticular wax
    triticale
    winter triticale
    feeding behaviour
    mortality
    grain aphid
    Sitobion avenae
    Hemiptera
    Aphididae
    Opis:
    Surface waxes from wax-covered triticale plants (RAH 122) were sprayed on plants of the waxless genotype RAH 366 or the surface waxes were used to make artificial diet preparations. The results were significant increases in the mortality of apterous adults of the grain aphid Sitobion avenae (Fabricius) (Hemiptera: Aphididae) at all concentrations tested in comparison with those aphids which fed on the control plants or aphids which were reared on the diets. In the choice tests, most aphids settled on plants without surface waxes or on diet preparations which did not have surface waxes (the controls). When the concentration of the surface waxes was increased on one of the plants or surface waxes were increased in the diet preparation, the number of wandering aphids increased. Those aphids which did not wander were mainly on the waxless control plants or on the waxless diet preparations. Aphids did settle on those plants or on the diet preparations which had 100 and 1,000 μg · g–1 of surface wax. The aphids rarely settled on the diet preparations containing 10,000 μg ∙ g–1 of surface waxes. From these observations it appears that surface waxes can act as a feeding deterrent. Since aphids on plants with surface waxes, or aphids which settled on diet preparations with surface waxes, started to die earlier than aphids fed only the control plants or the control diet preparations, it is possible that the surface waxes had a toxic effect that led to early mortality. Thus, it can be said that the surface waxes caused feeding deterrence and had a toxic effect on the aphids.
    Źródło:
    Journal of Plant Protection Research; 2016, 56, 1
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of host plants on biochemical markers of oxidative stress within tissues of Pea aphid
    Autorzy:
    Lukasik, I.
    Golawska, S.
    Wojcicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/66913.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    The effect of some species of the Fabaceae family (the pea Pisum sativum L., broad bean Vicia faba L. and vetch V. sativa L.) on biochemical markers of oxidative stress within tissues of the pea aphid, Acyrthosiphon pisum Harris (Homoptera, Aphididae), has been studied. The highest concentration of superoxide anion radical (O2-), hydrogen peroxide (H2O2) and lipid peroxidation products thiobarbituric acid reactive substances (TBARS) was recorded for morphs that fed on the broad bean. The opposite tendency was observed for the level of total thiols, that were the highest for insects reared on the pea. Among the studied aphid morphs, the highest concentration of superoxide anion and hydrogen peroxide was noted for the wingless females whereas TBARS content was the highest within the winged migrant tissues. Different results were obtained for the total thiols, where apterae as well as migrants reared on the tested plants, had comparable content of these compounds. Our experiments indicate that oxidative stress may play an important role in interactions between the pea aphid and their host plants.
    Źródło:
    Journal of Plant Protection Research; 2012, 52, 1
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of phenolics on the pea aphid, Acyrthosiphon pisum [Harris] population on Pisum sativum L. [Fabaceae]
    Autorzy:
    Golawska, S.
    Kapusta, I.
    Lukasik, I.
    Wojcicka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/55307.pdf
    Data publikacji:
    2008
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
    Tematy:
    pea plant
    aphid population
    secondary metabolite
    Pisum sativum
    insect pest
    pea aphid
    phenolics
    Acyrthosiphon pisum
    Opis:
    Extensive studies have been carried out to identify plant phenolics with insecticidal properties towards insects. The subject of the study were comparison of control and infested by Acyrthosiphon pisum (Harris) vegetative parts of pea plants. In the pea plants six flavonol aglycones were identified: quercetin, kaempferol+RCO-, kaempferol, tricin, apigenin+RCO-, and apigenin. In infested plants relatively high concentration of total phenols, o-dihydroxyphenols and total flavonoids in comparison with control were observed. It suggests that phenolics have negative effect on insects and they are good for control of the insect pests.
    Źródło:
    Pestycydy; 2008, 3-4; 71-77
    0208-8703
    Pojawia się w:
    Pestycydy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Relationship between saponin content in alfaalfa and aphid development
    Autorzy:
    Golawska, S.
    Lukasik, I.
    Wojcicka, A.
    Sytykiewicz, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/19108.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    We studied the effect of qualitative and quantitative variation of saponin content in foliar tissues of four European alfalfa (Medicago sativa L.) cultivars (Radius, Sapko, Sitel, Radius line 1) on pea aphid (Acyrthosiphon pisum Harris) development, and the effect of aphid infestation on alfalfa saponin content. Aphids (adult apterae, larvae, and adult alatae) were counted on 3-, 6- and 9-month-old plants (before the first, second and third cutting). Thin-layer chromatography was used to detect and estimate the quantity of the following saponins: 3GlcA, 28AraRhaXyl medicagenic acid; 3Glc, 23Ara, 28AraRhaXylApi zanhic acid (zanhic acid tridesmoside); and 3RhaGalGlcA soyasapogenol B (soyasaponin I). Radius, Sapko, and Sitel contained all three saponins but Radius line 1 did not contain zanhic acid tridesmoside or medicagenic acid glycoside. Saponin content was highest in Radius and lowest in Radius line 1. Regardless of the cultivar, saponin content was higher in aphid-infested than uninfested plants. For all sampling dates, aphid numbers were highest on Radius line 1 and lowest on Radius; that is, aphid numbers were inversely related to saponin content. Alfalfa has a herbivoreinduced defense. Saponin levels increase in the foliage of infested alfalfa. Attempts of plant breeders to reduce saponin content in order to increase alfalfa digestibility for livestock might make the plants more susceptible to aphids and other pests.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2012, 54, 2
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pro-inflammatory cytokines in saliva of adolescents with dental caries disease
    Autorzy:
    Gornowicz, A.
    Bielawska, A.
    Bielawski, K.
    Grabowska, S.Z.
    Wojcicka, A.
    Zalewska, M.
    Maciorkowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/51495.pdf
    Data publikacji:
    2012
    Wydawca:
    Instytut Medycyny Wsi
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2012, 19, 4
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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