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Wyszukujesz frazę "Poa pratensis" wg kryterium: Temat

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Powdery mildew resistance in Kentucky bluegrass ecotypes from Poland.
    Autorzy:
    Czembor, Elżbieta
    Feuerstein, Ulf
    Żurek, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/2198803.pdf
    Data publikacji:
    2001-12-20
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    Erysiphe graminis
    ecotypes
    Kentucky bluegrass (Poa pratensis L.)
    resistance
    Opis:
    A total of 444 ecotypes Kentucky bluegrass (Poa pratensis L.) collected in Poland were screened for resistance to powdery mildew. A field experiment was established at Hof Steimke, DSV (Deutschen Saatveredelung), Germany. The ecotypes originated from Polish Gene Bank, IHAR – Botanical Garden, Bydgoszcz. The average powdery mildew resistance score for tested ecotypes was 4.3, and the same score for eight varieties used as a control was 4.8. From the control varieties (Limousine, Alicja, Julia, Berbie, Ottos, Jori, Eska and Oxford) the most resistant to infection was Limousine. Plants showed resistance scores 5 or 7, on average 6.17. Sixty-two ecotypes (14.0%) which were scored on average more than 6 were included in two groups: with high resistance (15 ecotypes) and with moderate resistance (47 ecotypes). Ecotypes which plants were scored on average less than 6 were included in a susceptible group (scores on average 4.0 – 5.9), and a very susceptible group (scores on average 2.0 – 3.9). There were 226 ecotypes in the susceptible group (50.9%) and 156 (35.1%) in the very susceptible group.High resistance to powdery mildew showed ecotypes collected from nine habitats: meadow, wet meadow, peat meadow, pasture, field, forest, waterside, ditch and roadside. The highest percentage of ecotypes with high resistance was collected from wet meadows. The value of these newly identified highly resistant ecotypes for control of powdery mildew on Kentucky bluegrass is discussed.
    Źródło:
    Plant Breeding and Seed Science; 2001, 45, 2; 21-31
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badanie cech warunkujących zawiązywanie nasion, ich jakość oraz plon w wybranych gatunkach traw wieloletnich
    The examination of traits affecting seed formation as well as seed quality and yield in selected perennial grass species
    Autorzy:
    Żurek, Grzegorz
    Martyniak, Danuta
    Prokopiuk, Kamil
    Rachwalska, Agnieszka
    Paszkowski, Eugeniusz
    Jurkowski, Maciej
    Powiązania:
    https://bibliotekanauki.pl/articles/2199551.pdf
    Data publikacji:
    2019-11-30
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    Lolium perenne
    Poa pratensis
    produktywność generatywna
    wiechlina łąkowa
    zmienność
    życica trwała
    Źródło:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin; 2019, 286; 383-387
    0373-7837
    2657-8913
    Pojawia się w:
    Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Drought on the Performance of Threeturf Grass Species
    Autorzy:
    Żurek, Grzegorz
    Prokopiuk, Kamil
    Rachwalska, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/2199706.pdf
    Data publikacji:
    2018-12-20
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    drought,
    grasses,
    turf,
    cell membrane stability,
    Lolium perenne,
    Festuca rubra,
    Poa pratensis.
    Opis:
    Drought is the main environmental factor hampering world agriculture production. In the face of warmingclimate and reduced fresh water resources it become obvious that search for any factors decreasing water useis strongly recommended. Turf grasses able to withstand drought period longer could be recommended for turfareas as parks, lawns, home gardens etc. and relatively lower amounts of water should ensure satisfactory turfquality. Therefore, twelve turf varieties from three major cool-season turf grass species: perennial ryegrass(Lolium perenne L.), Kentucky bluegrass (Poa pratensis L.) and red fescue (Festuca rubra L.) were tested inglasshouse pot experiment and in the laboratory for determination of their relative ability to withstand greenlonger in the face of water deficit.The different response of the examined forms to drought was noted. Conditions that favor fast water depletionwere the most suitable for the expression of water deficit-related traits. Therefore, sandy mixture of 16%volumetric moisture content at field water capacity was mostly suitable for observation of the variation oftested forms. Turf condition of Kentucky bluegrass, as contrary to red fescue, was strongly connected with thesoil moisture. Different manifestation of drought resistance was observed in tested species. Kentucky bluegrass,as rather no resistant to drought, exposed low level of drought avoidance. Red fescue was able to survivedrought mainly due to leaf blades resistant to desiccation. In perennial ryegrass some other mechanismsevolved to survive drought. Early leaf wilting and senescence contributes to nutrient remobilization duringdrought and avoids large water loses during the transpiration. Therefore, perennial ryegrass turf was able toregenerate better after drought, as compared to the other tested grass species.Search for new turf forms should focus on searching for ability to maintain acceptable conditions longer ina presence of increasing water deficit. It will then reduce the duration of period of poor turf conditions andfurther, turf water demands.
    Źródło:
    Plant Breeding and Seed Science; 2018, 78; 3-22
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of different environmental conditions on visual merit of turf grasses.
    Autorzy:
    Prończuk, Sławomir
    Żurek, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/2199158.pdf
    Data publikacji:
    2008-06-22
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    Deschamspia cespitosa
    Festuca arundinacea
    Poa pratensis
    Poa supina
    Lolium perenne
    Festuca rubra
    turf maintenance
    shade
    Opis:
    Three different types of environmental conditions were used in five years of turf grass evaluation: no.1 – in sun, moderately intensive management with irrigation; no.2 – in park shade, extensively managed but irrigated when necessary; no.3 – in park shade, extensively managed and not irrigated. Visual merit (VM) of following cultivars was scored in 1 – 9 scale: perennial ryegrass Stadion, red fescue Nimba, smooth-stalked meadow grass Conni, tall fescue Asterix, prostrate meadow grass Supranova and tufted hairgrass Brok...
    Źródło:
    Plant Breeding and Seed Science; 2008, 57; 35-44
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The relationship between sod strength and turf quality of common grass cultivars.
    Autorzy:
    Prończuk, Sławomir
    Żurek, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/2199156.pdf
    Data publikacji:
    2008-06-22
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    Poa pratensis
    Poa supina
    Deschampsia cespitosa
    Lolium perenne
    Festuca rubra
    rooting depth
    shoot density
    visual merit
    Opis:
    The sod strength, rooting depth and turf quality (expressed by shoot density and visual merit) of ten turf grass cultivars were studied during three years under medium intensive turf maintenance. Cultivars of smooth stalked meadow grass (SMG), prostrate meadow grass, tall fescue (TF), red fescue., tufted hairgrass (TH) and perennial ryegrass (PR) were examined. Simple and fast evaluation ‘hand tool’ to determine overall sod strength was used. Seasonal variation of traits for tested cultivars was described. The highest values of sod strength were noted for SMG cultivars and the lowest – for PR, TF and TH cultivars...
    Źródło:
    Plant Breeding and Seed Science; 2008, 57; 25-34
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Low maintenance turf – quality and weed aspects.
    Autorzy:
    Żurek, Grzegorz
    Tomaszewski, Bartosz
    Powiązania:
    https://bibliotekanauki.pl/articles/2199171.pdf
    Data publikacji:
    2009-06-21
    Wydawca:
    Instytut Hodowli i Aklimatyzacji Roślin
    Tematy:
    cultivars
    Festuca arundinacea
    Festuca nigrescens
    Festuca rubra
    Festuca ovina
    Lolium perenne
    low-input
    mixtures
    Poa pratensis
    Opis:
    Turfgrass varieties of Festuca rubra ssp. rubra, F.r. ssp. trichophylla, F. nigrescens, F.arundinacea, F.ovina ssp. vulgaris, F.o. ssp duriuscula, Lolium perenne and Poa pratensis as well as mixtures of high and low share of Lolium perenne were tested in low maintenance conditions during 5 years and evaluated for: shoot density, visual merit and for weed infestation. None of tested entries was able to keep initial quality. Only for few of them (mostly varieties of Festuca ovina ssp. duriuscula and F.arundinacea) visual merit after 5 years was still close to the level of minimal user-accepted value (5 in 1-9 scale). The least visual merit values were noted for Poa pratensis and Festuca rubra ssp. rubra...
    Źródło:
    Plant Breeding and Seed Science; 2009, 59; 13-20
    1429-3862
    2083-599X
    Pojawia się w:
    Plant Breeding and Seed Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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