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    Wyświetlanie 1-5 z 5
    Tytuł:
    Fusarium Oxysporum F. Sp. Radicis-Lycopersici – the Cause of Fusarium Crown and Root Rot in Tomato Cultivation
    Autorzy:
    Szczechura, W.
    Staniaszek, M.
    Habdas, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/66225.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Fusarium oxysporum f. sp. radicis-lycopersici (FORL) leading to fusarium crown and root rot is one of the most destructive soilborne diseases of tomatoes occurring in greenhouse and field crops. Physiological races of FORL were not defined but nine vegetative compatibility groups (VGCs) were identified. Infection followed by wounds and natural holes and infection is not systemic. The optimum soil temperature for pathogen development is 18°C. Infection may cause plants to wilt and die completely or infection may lower fruit quality. Fusarium oxysporum f. sp. radicis-lycopersici has the ability to produce a specific enzyme, tomatinase, which breaks down α-tomatine and protects the pathogen. In contrast tomato also has a defence system which consists of the enzymes chitinase and β-1, 3-glucanase. Tomato resistance to Fusarium oxysporum f. sp. radicis-lycopersici is determined by a single dominant gene Frl, localized on the long arm of chromosome 9. It was introduced to cultivars from Licopersicum peruvianum (L.) Mill.
    Źródło:
    Journal of Plant Protection Research; 2013, 53, 2
    1427-4345
    Pojawia się w:
    Journal of Plant Protection Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ opryskiwania Tytanitem i Wapnovitem na plon i zdrowotność kapusty pekińskiej
    Effect of spraying with Tytanit and Wapnovit on the yield and healthiness of Chinese cabbage
    Autorzy:
    Borkowski, J.
    Kowalczyk, W.
    Felczynska, A.
    Szczechura, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/791266.pdf
    Data publikacji:
    2017
    Wydawca:
    Instytut Ogrodnictwa
    Źródło:
    Zeszyty Naukowe Instytutu Ogrodnictwa; 2017, 25
    2300-5882
    2391-8969
    Pojawia się w:
    Zeszyty Naukowe Instytutu Ogrodnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wpływ grzyba Trichoderma harzianum na wzrost i plon melona (Cucumis melo)
    Effect of the fungus Trichoderma harzianum on the growth and yield of melon (Cucumis melo)
    Autorzy:
    Borkowski, J.
    Kowalczyk, W.
    Szczechura, W.
    Sikorska-Zimny, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2118949.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    melon
    yield
    growth
    Trichoderma harzianum
    vitamin C
    Opis:
    The influence of Trichoderma harzianum TRS 59 on melons ‘Melba’, was investigated in the greenhouse experiment in 2016–2019. Seeds were sown in end of April or in early May and transplanted to containers 8 dm3 (2 plants per each) in June. Fruits were harvested in August and September. In 2016–2017, T. harzianum applied each year to the substrate increased insignificantly the yield by 16% and 17% and the fruit mass by 3% and 9%, comparing with control. In 2019, yield decreased by 19% and fruit mass by 12% comparing with control. Intensive feeding of the cotton aphid (Aphis gossypii) reduced the vigor of plants in 2019. The concentration of vitamin C decreased in 2018, extract and dry mass of fruits decreased, especially in the treatment with T. harzianum.
    Źródło:
    Zeszyty Naukowe Instytutu Ogrodnictwa; 2020, 28; 23-28
    2300-5882
    2391-8969
    Pojawia się w:
    Zeszyty Naukowe Instytutu Ogrodnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of osmotic stress and post-stress recovery on the content of phenolics and properties of antioxidants in germinating seeds of grapevine Vitis californica
    Autorzy:
    Weidner, S.
    Brosowska-Arendt, W.
    Szczechura, W.
    Karamac, M.
    Kosinska, A.
    Amarowicz, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/57688.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    osmotic stress
    post-stress recovery
    phenolic compound content
    antioxidative property
    germinating seed
    seed
    grapevine
    Vitis californica
    antioxidative system
    oxidative stress
    environmental stress
    plant stress
    Opis:
    The tested material consisted of grapevine Vitis californica stratified seeds germinated under optimum conditions (+25°C in water), under osmotic stress (-0.2 MPa in PEG solution) and submitted to recovery after stress (+25°C in water). The germinating seeds were determined to contain tannins, catechins and the following phenolic acids: gallic, caffeic, p-coumaric and ferulic. The acids occurred in free, ester- and glycoside-bound forms. The dominant form of phenolic acids was the ester-bound fraction. Gallic acid was the most abundant phenolic acid in germinating seeds, while ferulic acid appeared in the smallest amounts. Our analysis of tannins demonstrated that osmotic stress depressed their concentration. Presence of catechin group compounds such as catechin and epicatechin was also determined. In each sample epicatechin was dominant. The total concentration of catechin increased under stress conditions and declined during post-stress recovery. Catechins are a constituent of tannins and their increase under osmotic stress is most probably caused by the breakdown of some tannins in seeds germinating under stress conditions. Samples submitted to osmotic stress were also found to contain less of total phenolic compounds, whereas in samples which underwent post-stress recovery the total level of phenolic compounds increased. Compared to extracts from seeds germinating under optimum conditions, osmotic stress depressed the capacity of extract to scavenge DPPH● (2,2-diphenyl-1-picrylhydrazyl) and ABTS●+ – 2,2-Azino-bis (3-etylbenzothiazoline-6- -sulfonic acid) free radicals, but the antioxidant activity rose in seeds submitted to recovery after stress. Positive correlation was therefore demonstrated between the total content of phenolic acids in germinating grapevine seeds and the reducing power of extracts obtained from these seeds and their free radical scavenging activity. The results suggest that osmotic stress inhibits the activity of antioxidizing enzymes in germinating grapevine seeds. Thus, the antioxidative defence system is largely blocked under osmotic stress. It seems that a very high oxidoreductive potential in grapevine tissues prior to occurrence of osmotic stress is essential for maintaining proper homeostasis of oxidation and reduction reactions.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2011, 80, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie markerów DNA w selekcji marchwi z cechą cytoplazmatycznej męskiej sterylności typu płatkowego
    The use of DNA markers in the selection of carrot lines with cytoplasmic male sterility trait
    Autorzy:
    Szczechura, W.
    Nowakowska, M.
    Nowak, K.
    Kamiński, P.
    Nowak, R.
    Kozik, E.U.
    Powiązania:
    https://bibliotekanauki.pl/articles/2119577.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Ogrodnictwa
    Tematy:
    CMS
    carrot
    DNA markers
    marker-assisted selection (MAS)
    Opis:
    Cytoplasmic male sterility (CMS) is a maternally inherited trait in which a plant is unable to produce functional pollen. It occurs in many plants, including carrots. The expression of this trait depends on environmental conditions, especially temperature – therefore, DNA markers become an excellent tool for selecting carrot genotypes with this feature. In this study, we used seventeen DNA markers available in the literature, linked with various mitochondrial DNA sequences that are associated with the CMS trait. Their amplification was tested on male sterile and male fertile plants. Only five markers – A321/392, I214/401/435, K751, N795, O790 – correctly identified the tested genotypes. They can be used as selection tools in carrot breeding programs.
    Źródło:
    Zeszyty Naukowe Instytutu Ogrodnictwa; 2019, 27; 53-62
    2300-5882
    2391-8969
    Pojawia się w:
    Zeszyty Naukowe Instytutu Ogrodnictwa
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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