• Title/Summary/Keyword: Sedum

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Studies on the Active Principles of Wild Vegetables on Biotransformation of Drug (야생 식용식물의 약물대사 활성성분에 관한 연구)

  • Choi, Jae-Sue;Park, Si-Hyang;Kim, Il-Sung
    • Korean Journal of Pharmacognosy
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    • v.20 no.2
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    • pp.117-122
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    • 1989
  • The effect of wild vegetables such as Allium tuberosum, Allium monanthum, Sedum sarmentosum, Ixeris dentata and Capsella-bursa pastoris on hexobarbital induced hypnosis was tested in mice. Among them, the methanol extract of Allium tuberosum exhibited significant lengthening of the barbiturate hypnosis. When various fractions prepared from the methanol extract of the Allium tuberosum were administered, the chloroform, ethylacetate and butanol extracts caused a significant activity. Through systematic fractionation by $SiO_2$ column monitoring by bioassays, $1,2,3,4-tetrahydro-{\beta}-carboline$ 3-carboxylic acid from the butanol extract was isolated as one of the active principles of this plant.

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Influence of Low Growing Vegetation in Reducing Stormwater Runoff on Green Roofs

  • Krishnan, Raymond;Ahmad, Hamidah
    • International Journal of High-Rise Buildings
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    • v.3 no.4
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    • pp.273-278
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    • 2014
  • Green roof's performance in reducing stormwater runoff has been reported by numerous studies. Nonetheless, the roles of low growing vegetation in influencing stormwater runoff reduction on green roofs have been greatly overlooked. This paper describes an experiment investigating the influence of low growing vegetation in the reduction of tropical stormwater runoff on extensive green roofs. Three types of locally occurring native vegetation and one non-native Sedum species were selected (fern, herb, grass and succulent) for the experiment. Stormwater runoff reduction performance from different low growing species was done by measuring excess water runoff from the simulated green roof modules. The results show significant differences in stormwater runoff reduction from different types of vegetation. Fern was the most effective in reducing stormwater runoff, followed by herb, Sedum and grass. Vegetative characters that are found to attribute towards the performance of stormwater runoff are rooting density, structure, density, leaf type, and vegetation biomass.

Physiological and Ecological Studies on the Vegetation on Ore Deposits 1. Zinc Flora and Indicator Plants on the 2nd Yunwha Mine (금속광체상에 나타나는 식물에 관한 생리생태학적 연구 1. 아연광지대의 지표종과 식생)

  • 장남기
    • Journal of Plant Biology
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    • v.20 no.1
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    • pp.45-52
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    • 1977
  • During the period of 1975-76, a survey was carried out to find out zinc indicators in the natural vegetation in Korea. The symptoms fo chlorosis were observed in flowering plants in the areas of zinc outcrop of Wolgok-A, Seokgok-9, and Sowolgok. Although 28 species were found to be chlorotic, the total quantity of chlorotic foliage observed was small. Reasons for chlorosis in the areas of zinc are deposits is considered as effects of zinc, lead, copper and calcium ions. Sedum sp. and Dianthus sinensis were confined to soil containing more than exchangeable zinc of 30 ppm and to accumulation in the plants contained at least 1,300-14,000 ppm of zinc. Therefore Sedum sp. and Dianthus sinensis might be used as zinc indicators in Korea.

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Sclerotinia Rot in Stringy Stonecrop Caused by Sclerotinia sclerotiorum

  • Wan-Gyu Kim;Hyo-Won Choi;Gyo-Bin Lee;Weon-Dae Cho
    • The Korean Journal of Mycology
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    • v.50 no.2
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    • pp.143-147
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    • 2022
  • Sclerotinia rot symptoms were observed in stringy stonecrop (Sedum sarmentosum) plants growing in vinyl greenhouses in Yeoju and Icheon, Gyeonggi Province, Korea, during disease surveys in spring 2019 and 2020. The initial symptoms were soft rot on stems and leaves at or above the soil line. Furthermore, the symptoms progressed upwards, and the infected plant parts exhibited white to grayish-yellow discoloration. The infestation of diseased plants in the vinyl greenhouses was 1-5% at the two locations examined. Eight isolates of Sclerotinia sp. were obtained from lesions of the diseased plants. The isolates were identified as Sclerotinia sclerotiorum based on their morphological and molecular characteristics. In addition, artificial inoculation tested three isolates of S. sclerotiorum for pathogenicity on stringy stonecrop plants. All the tested isolates caused Sclerotinia rot symptoms in the inoculated plants. The symptoms were similar to those observed in plants from the vinyl greenhouses investigated. This study is the first report of S. sclerotiorum causing Sclerotinia rot in stringy stonecrop.

Effects of Several Medicinal Plants on the Activity of GABA-metabolizing Enzymes (수종 생약재의 GABA 대사 관련 효소의 활성에 미치는 영향)

  • Ahn, Eun-Mi;Han, Jae-Taek;Park, Jin-Kyu;Cho, Sung-Woo;Jeon, Seong-Gyu;Bahn, Jae-Hoon;Sun, Hyun-Jung;Choi, Soo-Young;Baek, Nam-In
    • Korean Journal of Pharmacognosy
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    • v.31 no.1
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    • pp.23-27
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    • 2000
  • The effect of seventy kinds of medicinal plants on the activities of GABA-metabolizing enzymes as glutamate dehydrogenase I (GDH I), glutamate dehydrogenase II (GDH II), GABA transaminase (GABA-T), succinic semialdehyde dehydrogenase (SSADH) and succinic semialdehyde reductase (SSAR) were estimated. The following plants extracts from Acori graminei Rhizoma, Longnae Arillus, Gastrodiae Herba, Lycii Fructus, Ligusticum officinale, Ferula assafoetida, Corydalis Tuber, Eucommiae Cortex, Zizyphi spinosi Semen activated the activity of GDH I to more than 35%, and the following ones from Visci Ramulus, Ligusticum officinale, Myristicae Semen, Ferulae Resina, Scolopendrae Corpus, Corydalis Tuber, Eucommiae Cortex, Zizyphi spinosi Semen did that of GDH II. The plant extracts from Cynanchi Radix, Astragali Semen, Angelicae dahuricae Radix, Biotae orientalis Folium, Uncariae Ramulus et Uncus, Polygalae Radix, Cynomorii Herba inhibited that of GABA-T to 35% and over, and the following ones from Hyoscyamus niger, Cynanchi Radix, Acori graminei, Caesalpiniae Lignum, Cannabis Semen, Sedum aizoon, Sedum kamtschaticum, Schisandrae Fructus, Lilii Bulbus, Biotae orientalis Folium, Uncariae Ramulus et Uncus, Myristicae Semen, Akebiae Fructus, Cynomorii Herba, Buddleiae Flos, Mucunae Caulis, Zizyphi Fructus, Paeoniae Radix rubra did that of SSADH to 70% and over; the following ones from, Caesalpiniae Lignum, Sedum kamtschaticum, Schisandrae Fructus, Astragali Semen, Angelicae dahuricae Radix, Dioscorea nipponica, Myristicae Semen, Akebiae Fructus, Cynomorii Herba, Scutellariae Radix did that of SSAR.

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Growth Chracteristics, Vitamin C Content and Antioxidative Activity among Local Strains of Sedum sarmentosum (돌나물 수집종간 생육특성, 비타민 C 함량 및 항산화 활성)

  • Kim, Hyo-Jin;Jung, Seung-Ho;Bae, Jong-Hyang;Lee, Seung-Yeob
    • Journal of Bio-Environment Control
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    • v.17 no.2
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    • pp.110-115
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    • 2008
  • To evaluate growth chracteristics, vitamin C content and antioxidative activity of Sedum sarmentosum, 13 local strains were cultivated in the field. Keumsan, Bucheon, and Pocheon strains had narrow and oblong leaf, long hight, and slender stem compared to the other strains. Wanju and Gunsan strains were not formed flower stalks, and did not flower during the flowering time. Vitamin C contents were ranged from 407.8 to $434.4\;mg{\cdot}kg^{-1}$, and it was high in Gwangyang, Buan, Wanju, and Gunsan strains. But vita min C contents didn't show a significant difference among strains. In antioxidative activity between fresh and freeze dried shoots, electron donating abilities (EDA) were ranged from 45.0 to 66.5% in MeOH extract of fresh shoot, and from 61.3 to 66.5% in MeOH extract of freeze dried shoot. Gwangyang, Suncheon, Wando strains showed high EDA compared to the others. Vitamine C content and antioxidant activity were highest in Gwangyang strain.

A Selection of Korean Native Sedum spp. for Evergreen Ground Covers of the Central Districts of Korea (중부지방 상록지피용 기린초 속의 조경용 소재 선발)

  • Lee, Sun-A;Ha, Yoo-Mi;Han, In-Song
    • Journal of the Korean Institute of Landscape Architecture
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    • v.37 no.5
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    • pp.90-97
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    • 2009
  • Sedum takesimenses among the Korean Native Genus Sedum was selected as evergreen ground covers during winter in the central districts of Korea. In order to obtain basic information for production as a pot flower with good quality, the effects of pinching frequencies on growth and flowering of S. takesimense were investigated. S. takesimense plant height became much shorter and numbers of lateral shoots were increased with increased pinching. Shoots of S. takesimense treated with 30% pinching during 2004 and 2005 showed greater length and less number of lateral shoots than those with 60% pinching. Leaves of S. takesimense treated with 70% shading showed a dark green color and had a longer shoot length and a lower number of shoots than cultivation under full sunlight. Therefore, Korean native S. takesimense will be utilized as ground cover treated with 70% shading or under a tree. Therefore, S. takesimense will be promising as ground cover materials in the central districts of Korea.