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        검색결과 2

        1.
        2004.09 KCI 등재 서비스 종료(열람 제한)
        This study was conducted to obtain basic information of growth, chlorophyll, and Na+~;and~;K+ content of rice (Oryza sativa L.) seedlings after transplanting in different NaCl conditions. Plants grown in pots for 8 days after germination were grown for 10 days after transplanting in 50 and 100 mM NaCl concentrations. At higher NaCl concentration, plant height, root length, dry weight and chlorophyll content were reduced with NaCl stress. Among rice cultivars, the shoot dry weight of Gancheokbyeo, Janganbyeo and Hwasungbyeo, and the root dry weight of Janganbyeo, Gancheokbyeo and Juanbyeo showed relatively low reduction compared to the other rice cultivars at 100 mM NaCl stress. The Na+ content in seedling rapidly increased with the increase of NaCl concentration but K+ contents decreased. There was a significant relationship between Na+ content and shoot and root dry weight after transplanting rice seedlings to saline conditions. The shoot and root dry weight showed highly negative relationship with the Na+/K+ ratio in saline conditions.
        2.
        2004.06 KCI 등재 서비스 종료(열람 제한)
        This study was conducted to investigate the effect of the salinity on growth, inorganic ion content, and photosynthetic rate (~textrmPN ) in Korean ginseng (Panax ginseng C.A. Meyer) with complex fertilizer (CF) and NaCl concentrations. The salinity was applied to plant using NaCl and CF, and controlled an EC as 0.0, 1.0, 2.0 and 3.0 dS ~textrmm-1 . The salinity treated three times at 35, 42 and 49 d after transplanting. The leaf area in different electrical conductivity (EC) decreased only the higher NaCl 1.0 dS ~textrmm-1 . The root growth increased with CF and especially, it was two times higher at 3.0 dS ~textrmm-1 than that of control. But the root growth sharply decreased with NaCl compared to CF. The light saturation point of Korean ginseng was around 100 ~mu~textrmmol~;~textrmm-2~textrms-1 photosynthetically active radiation (PAR), and ~textrmPN increased as CF increased but decreased with NaCl especially at the late growth stage. The ~textrmNa+ content in Korean ginseng increased sharply with NaCl.