• Mycobiology
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• v.43 no.3
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• pp.351-353
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• 2015

Farfugium japonicum is used in traditional medicine and as an edible herb in China and Korea. In July 2013, leaf spots were observed in F. japonicum seedlings at Ulleung Island, Gyeongsangbuk Province, Korea. Early symptoms on the leaf adaxial surface included roughly circular yellow spots that later developed brown, necrotic centers. The aecia were hypophyllous, cupulate, yellowish, $180{\sim}430{\mu}m$ in diameter, clustered, and erumpent with a peridium with a recurved margin. The aeciospores were globoid, $14{\sim}17{\times}13{\sim}16{\mu}m$, light yellow or colorless, and densely verrucose. The 28S rDNA sequence of the isolate was identical to each other and shared 99% identity with Puccinia caricis. This is the first report of rust caused by P. caricis in F. japonicum in Korea or elsewhere in the world.

• Bulletin of the Korean Chemical Society
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• v.32 no.1
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• pp.350-352
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• 2011

• Natural Product Sciences
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• v.23 no.4
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• pp.270-273
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• 2017

A quantitative analysis of bakkenolide D in the different parts of Petasites japonicus and Farfugium japonicum was performed by HPLC. A gradient HPLC elution system with a mobile phase consisting of water: acetonitrile solution (20:80 to 0:100 for 45 min) was followed and an INNO $C_{18}$ column was used for the chromatographic separation. The injection volume, flow rate, and UV detection were $10{\mu}L$, 1 mL/min, and 290 nm, respectively. Results show that both species showed the highest amount of bakkenolide D in the roots being 107.203 and 166.103 mg/g for P. japonicas and F. japonicum, respectively. Content analysis on the different parts of both plants displayed remarkably lower values which ranged from 0.403 - 4.419 and 7.252 - 32.614 mg/g for P. japonicas and F. japonicum, respectively. The results show that the roots of both plants are rich in bakkenolide D showing a promising use in the development of nutraceuticals and industrial application of the compound.

• FLOWER RESEARCH JOURNAL
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• v.16 no.2
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• pp.128-133
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• 2008

This study was conducted to select new variants with different characteristics in plant height, leaf color, and petal color of plantain lily (Hosta plantaginea) and Japanese farfugium (Farfugium japonicum). After 10-30Gy ${\gamma}-ray$ irradiation to seeds of both species, seed germination, variant induction, growth of variants, and survival ratios were estimated. Days required for seed germination were lengthened and % seed germination decreased as the dosage of ${\gamma}-ray$ increased over 20Gy. Lethal dose ($LD_{50}$) for plantain lily and Japanese farfugium were 30Gy and 25Gy, respectively. Plantain lily and Japanese farfugium treated by more than 20Gy ${\gamma}-ray$ showed dwarf characteristics in growth, and variations in leaf and petal colors. Total 166 variants in plantain lily were induced by ${\gamma}-ray$ irradiation in a $M_1$ generation, among which 12 promising variants were selected in a $M_2$ generation. Total 57 variants of Japanese farfugium were induced by ${\gamma}-ray$ irradiation in a $M_1$ generation, among which nine promising variants were selected in a $M_2$ generation.

• Landscaping Tree
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• v.82 no.9_10
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• pp.20-22
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• 2004

• Journal of Bio-Environment Control
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• v.32 no.2
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• pp.115-121
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• 2023

The leopard plant has the characteristic of being used for ornamental purposes when there are yellow spots on the leaves, and is widely used as a bed plant for viewing flowers. To set several indicators to predict the growth of crops with ornamental value, and to quantitatively express the relationship between the indicators are necessary. In this study, we determine a model that estimates the leaf area and the number of flower of Farfugium japonicum Kitam. using leaf length and width, and conducting a regression analysis on some regression models. As an indicator for estimating the leaf area and the number of flower, the leaf length and width of F. japonicum were measured and applied to 8 regression models. As a result of regression analysis of 8 models that estimated leaf area and the number of flower, R² values of the linear models were all higher than 0.84 and 0.80. As a result of validation, using the most reliable model among the models for estimating the leaf area and the number of flowering, R² was 0.90 and 0.82, respectively. Using a model that estimates various indicators that can be used for quality evaluation from easy-to-measure morphological factors, the evaluation of ornamental plants will be facilitated.

• Horticultural Science & Technology
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• v.18 no.1
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• pp.14-17
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• 2000

This experiment was carried out to investigate the effect of nitrogen form in the Hoagland nutrient solution on the growth of Farfugium japonicum, Aster tataricus and Chrysanthemum boreale. The nitrogen form of Hoagland nutrient solution was modified to $NH_4{^+}(100%),\;NO_3{^-}(100%),\;and\;NH_4{^+}+NO_3{^-}(50%+5%)$ for this study. In the treatment of $NO_3{^-}\;and\;NH_4{^+}+NO_3{^-}(1:1)$, F. japonicum showed the best growth, especially in fresh weight. With the treatment of $NO_3{^-}$, shoot and root fresh weight of A. tataricus and C. boreale were increased. The activity of nitrate reductase and the concentration of chlorophyll and nitrate were increased with $NO_3{^-}$ treatment in all these plants.

• Plant Resources
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• v.6 no.1
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• pp.36-52
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• 2003

The medicinal plants in 22 unhabited islands of Jindo-gun, Chonnam provincde were investigated from March 2000 to October 2002. The medicinal plants in 22 uninhabited islands of Jindo-gun were consisted 366 taxa; 95 families, 269 genus, 309 species, 52 varieties, 3 forma, and 2 subspecies. Important medicinal plants on survey area were Lemmaphyllum microphyllum, Dendropanax morbifera, Ficus erecta, Farfugium japonicum, Machilus thunbergii, Juniperus chinensis var. procumbens, Dendrobium moniliforme, Pyrrhosia tricuspis, Cinnamomum japonicum, Pittosporum tobira, Kadsura japonica, and Daphniphyllum macropodum, This result can be used as basic information data for medicinal research and the conservation of uninhabited islands.

• Journal of Environmental Science International
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• v.14 no.12
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• pp.1087-1095
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• 2005

Scrophularia takesimensis Nakai called 'Sum-Hyun Sam' growing about 1m in high is a perennial plant of Scrophulariaceae. Because the number of these species is very limited in the world, the Ministry of Environment has appointed S. takesimensis as a preserved plant. The Korea Forest Service also protects it strictly by the law since S. takesimensis is an out-of-the-way plant and possible to be exterminated soon in Korea. Investigation for distribution and ecological characteristics of the habitat far S. takesimensis was carried out in Ulleung-do Island. S. takesimensis has a tendency to emerged with Calystegia soldanella Roem. et Schultb. and Artemisia japonica subsp. littoricola Kitam. C. soldanella community were developed on the dry and well-lighted as east or north facing conditions. A. japonica subsp. littoricola community have tendency to developed on the properly lighted as west or north facing and well maintained soil or air humidity. C. soldanella community were developed on the sandy gravel or gravel and grew with Farfugium japonicum, (L.) Kitam., Lonicera japonica Thunb., and Peucedanum japonicum Thunb.. A japonica subsp. littoricola communities were emerged on the rock beds or pile of rocks and grew with Sedum oryzifolium Makino, Sedum takesimense Nakai, and Spergularia marina (L.) Griseb.

• The Korean Journal of Ecology
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• v.25 no.2
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• pp.127-134
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• 2002

This study was carried out to analyze Pinus densiflora forest in islets of southwestern coast of the Korean peninsula by the phytosociological methods. As a result of the investigation of 26 quadrats, the pine forest was classified two communities and six subcommunities : Ardisia japonica - Pinus densiflora community and lsodon japonicus - Pinus densiflora community, and Farfugium japonicum subcommunity, Quercus serrata subcommunity, Typical subcommunity of Ardisia japonica - P. densiflora community, Juniperus rigida subcommunity, Pourthiaea villosa subcommunity and Typical subcommunity of lsodon japonicus - P. densiflora community. The subsidiary knowledges from this study provide practical information to clarify the syntaxonomy of natural pine forest of the Korean peninsula by the phytosociological methods.