Wydanie 296(23) 2012

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https://oa.zut.edu.pl/handle/20.500.12539/743

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Przeglądaj Wydanie 296(23) 2012 wg Autor "Janicka, Dorota"

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    Wpływ zasolenia wybranych podłoży na wzrost i kwitnienie krwawnika pospolitego (Achillea millefolium L.) I krwawnika wiązówkowatego (Achillea filipendulina Lam).
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2012) Janicka, Dorota; Dobrowolska, Agnieszka; Katedra Ogrodnictwa, Pracownia Roślin Ozdobnych, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie; Katedra Ogrodnictwa, Pracownia Roślin Ozdobnych, Zachodniopomorski Uniwersytet Technologiczny w Szczecinie
    Experiments which determined the influence of salinity and medium on the growth, development and quality of two yarrow species were conducted in the years 2008–2009. Achillea millefolium and Achillea filipendulina seedlings were sown in September, 7 months before the beginning of the experiments constituted the research material. Young plants in their vegetative phase were planted before April 10 in five substrates – deacidified peat was the first substrate; 10, 20 and 30% of zeolite was added to the three next ones, respectively, and a mixture of acidic peat and mineral soil 1:1 v/v constituted the last substrate. The Azofoska fertilizer was used at a dose of 5 g dm–3. 3 weeks after planting when the root system regenerated, the plants began to be watered with a NaCl solution with EC 6.3 mS cm, obtained by adding 3.4 g of NaCl to 1 dm3 of water. The salinization was performed for four consecutive weeks, once a week. For the fernleaf yarrow was used 300 ml, and for the common yarrow was used 500 ml of the working liquid per pot. The amount of the working liquid depended on the size of the pots. The salinization process was ended after phytotoxicity symptoms occurred on plants. It was found that the use of salt slightly stimulated the growth of the common yarrow and also increased the mass of the above-ground parts. Poorer and delayed flowering of plants treated with the NaCl solution was observed for the fernleaf yarrow. The partial browning and drying of shoot tips was observed in both species, which slightly reduced their decorative value.