• Title/Summary/Keyword: white flower

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A New Spray Chrysanthemum Cultivar, 'Blue Hope' with Anemone Type and White Petals for Cut Flower (백색 아네모네형 절화용 스프레이국화 '블루호프' 육성)

  • Hwang, Ju-Chean;Chin, Young-Don;Chung, Yong-Mo;Kim, Su-Kyeong;Ro, Chi-Woong;Jeong, Byoung Ryong
    • Horticultural Science & Technology
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    • v.31 no.1
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    • pp.123-127
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    • 2013
  • A new spray chrysanthemum (Dendranthema grandiflorum) 'Blue Hope' was bred by the Flower Research Institute, Gyeongsangnam-do Agricultural Research & Extension Services in 2009. The cultivar 'Blue Hope' was initially derived from the cross in 2005 between 'Ford', a spray chrysanthemum cultivar, with white anemone type, and 'Chopin', a spray chrysanthemum cultivar with white anemone type. The cultivar has anemone type with white petals. After the evaluation of the characteristics under shade culture in summer and retarding culture in spring and consecutive selection from 2007 to 2009, 'Blue Hope' was selected finality. The natural flowering time of 'Blue Hope' was October 24th, and year-round flowering is possible by shading or lighting treatment. The growth of plant was very vigorous and response time 6.5 weeks. The diameter of flower was 4.9 cm. Number of flowers per stem was 19.1 in autumn. Days to flowering under the short day treatment was about 45 in spring and its vase life was 23.8 days in the autumn season. This cultivar was resistance white rust and consumer's preference of new spray is high level than the control.

A New Rose Cultivar 'Innocence' with White-pink Flower for Bouquet (부케용 백분홍색 장미 「이노센스」 육성)

  • Gi, Gwang-Yeon;Hwang, In-Taek;Cho, Kyung-Chul;Kim, Jung-Guen;Yoon, Bong-Ki;Choi, Kyong-Ju;Lee, Jae-Sin;Han, Tae-Ho
    • FLOWER RESEARCH JOURNAL
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    • v.19 no.4
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    • pp.251-254
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    • 2011
  • A new standard white-pink flower rose cultivar 'Innocence' was bred from the cross between white standard cultivar 'Juvena' and green-white standard cultivar 'Green Success' at the Jeollanamdo Agricultural Research and Extension Services (JARES). The cross was made in 2001 and, 'Innocence' was finally selected in 2006 after investigating characteristics for three times from 2004 to 2006. 'Innocence' a white-pink standard cultivar has good flower shape with few prickles. The major characteristics of this cultivar were $118.7stems{\cdot}m^{-2}$ in year yield, 68.0 cm in length of cut flower, 10.9 cm in flower diameter, 34.4 in petal number, and 10.7 days in vase life. This cultivar can be propagated by both cutting and grafting. The consumer's preference of this cultivar was relatively higher than that of control cultivar, 'Rose Yumi'.

Volatile Flavor Composition of White-flowered Lotus by Solid-phase Microextraction (Solid-Phase Microextraction에 의한 백련의 휘발성 향기 성분 분석)

  • Choi, Hyang-Sook
    • The Korean Journal of Food And Nutrition
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    • v.30 no.2
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    • pp.363-370
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    • 2017
  • This study investigated the chemical composition of headspace gas from white-flowered lotus (Nelumbo nucifera Gaertner). Volatile flavor compositions of headspace from white-flowered lotus (floral leaf, stamen, flower stalk, stem) were investigated through the solid-phase microextraction method using polydimethylsiloxane-divinylbenzene fiber. The headspace was directly transferred to a gas chromatography-mass spectrometry. Sixty-three volatile flavor constituents were detected in the headspace of lotus floral leaves, and undecanoic acid (7.81%) was the most abundant component. Fifty-three volatile flavor constituents were detected in the headspace of lotus stamina, and isobutylidene phthalide (7.94%) was the most abundant component. Forty-four volatile flavor constituents were detected in the headspace of lotus flower stalks, and 3-butyl dihydrophthalide (11.23%) was the most abundant component. Fifty-nine volatile flavor constituents were detected in the headspace of lotus stems, and ligustilide (16.15%) was the most abundant component. The content of phthalides was higher in the headspace of flower stalks and stems, while alcohols and acids were the predominant compounds in lotus floral leaves.

Antimicrobial and Antioxidant Properties of Secondary Metabolites from White Rose Flower

  • Joo, Seong-Soo;Kim, Yun-Bae;Lee, Do-Ik
    • The Plant Pathology Journal
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    • v.26 no.1
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    • pp.57-62
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    • 2010
  • Low-molecular-weight secondary metabolites from plants play an important role in reproductive processes and in the defense against environmental stresses or pathogens. In the present study, we isolated various volatiles and phenolic compounds from white Rosa rugosa flowers, and evaluated the pharmaceutical activities of these natural products in addition to their ability to increase survival in response to environmental stress and pathogen invasion. The DPPH and hydroxyl radical-mediated oxidation assay revealed that the white rose flower extract (WRFE) strongly scavenged free radicals in a dose dependent manner. Moreover, WRFE inhibited the growth of E. coli and fatally attacked those cells at higher concentration (>0.5 mg/mL). FITC-conjugated Annexin V stain provided further evidence that WRFE had strong antimicrobial activity, which may have resulted from a cooperative synergism between volatiles (e.g. 1-butanol, dodecyl acrylate and cyclododecane) and phenolic compounds (e.g. gallic acid) retained in WRFE. In conclusion, secondary metabolites from white rose flower hold promise as a potential natural source for antimicrobial and non-chemical based antioxidant agents.

Knit fashion design inspired by Peony flower image (모란꽃 이미지를 활용한 니트 패션 디자인)

  • Chen, Yu;Jang, Jung Im;Lee, Younhee
    • The Research Journal of the Costume Culture
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    • v.26 no.5
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    • pp.700-713
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    • 2018
  • The purpose of this study is to analyze the characteristics and symbolism of peony, the traditional noble flower, create knit fashion designer applying the aesthetic beauty of flower, and suggest the various possibility of developing knit fashion design. As for the study method, the study conducted review on literature and previous studies to investigate on history, characteristics, symbolism of peony, and examined various expressive technique through previous studies about fashion design using flower images. To express characteristics of peony in three dimensions, the study investigated and reflected on crochet expressive technique to design 4 women's knitwear. The results are as below. First, as shape of peony is big, voluminous, fancy and noble, it symbolizes wealth and beauty. Including red which is the generally known color of peony, there are yellow, white, pink, purple, green, blue, black, gray, white purple, white color. This study reflected characteristics and symbolism of peony and created knit fashion design applying abundant aesthetic characteristics of flower. Second, crochet method is advantageous as it is operable with thread and hooked crochet hook without time and space restriction, it can create unique fashion design. Crochet knitting on hand knit can diversity changes to express relief textures, and as there is no limit in size, it can be applied to small props to big pieces. This study suggested the various possibility of knit fashion design development and various expressive possibility on modern fashion design.

A New Early Flowering, Spray Chrysanthemum Cultivar for Cut Flower, 'Biz' with Single Type and White Petals. (조기개화성의 백색 홑꽃 절화용 스프레이국화 '비즈' 육성)

  • Hwang, Ju Chean;Chin, Young Don;Chung, Young Mon;Kim, Su Kyeong;Ro, Chi Woong
    • FLOWER RESEARCH JOURNAL
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    • v.18 no.4
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    • pp.295-298
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    • 2010
  • A new spray chrysanthemum(Dendranthema grandiflorum) cultivar, 'Biz' was developed from a cross between 'S03-117' and 'Angaesoguk' by selection of seedlings and lines at the Flower Research Institute, Gyeongnam Agricultural Research and Extension Services(ARES) from 2003 to 2008. Its characteristics were investigated three times from 2006 to 2008 under condition of forcing culture in spring and retarding culture in autumn. The natural flowering time of 'Biz' was October 26th, and year-round production was possible by day length treatment. This cultivar was white in color, single in flower type for the spray type cut flower. Its capitulum was 3.0 cm in diameter, and had 15.6 head per stem in autumn. Its ray floret was green central zone. The days to flowering under the short day treatment is about 42 days in spring season, and 'Biz' showed the vase life of 24.1 days in autumn. This cultivar was registered for a commercialization in 2008.

Dose Effect of Phytosanitary Irradiation on the Postharvest Quality of Cut Flowers

  • Kwon, Song;Kwon, Hye Jin;Ryu, Ju Hyun;Kim, Yu Ri
    • Journal of People, Plants, and Environment
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    • v.23 no.2
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    • pp.171-178
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    • 2020
  • The present study was conducted to determine the effects of electron beam irradiation on the postharvest quality of cut flowers. Cut flowers were irradiated with electron beam at 100, 200, 400, 600, 800, 1,000, and 2,000 Gy with a 10 MeV linear electron beam accelerator to evaluate their irradiation tolerance. Postharvest quality was determined by monitoring fresh weight loss, flower longevity, flower diameter, flowering rate, visual quality of flowers and leaves, and chlorophyll content. Cut flowers showed a radiation-induced damage with increasing the irradiation dose. Flower longevity and fresh weight of cut flowers decreased when the irradiation dose was increased. Flower bud opening was also inhibited in a dose-dependent manner. The effective irradiation doses for 10% reduction of postharvest quality (ED10) values were 144.4, 451.6, and 841.2 Gy in the 'Medusa' lily, 'Montezuma' carnation, and 'Rosina White' eustoma, respectively. Although tolerance of cut flowers to electron beam irradiation vary according to species, cultivars, or maturity stage conditions, it is conceivable that 'Montezuma' carnation and 'Rosina White' eustoma could be tolerated and maintained overall postharvest quality up to 400 Gy, the generic irradiation dose approved by the Animal and Plant Health Inspection Service (APHIS) and the International Plant Protection Convention (IPPC) for postharvest phytosanitary treatments.

Morphological Characterization of Fagopyrum esculentum Germplasm for Rutin and Quercetin Contents

  • Rauf, Muhammad;Choi, Yu Mi;Lee, Sukyeung;Hyun, Do Yoon;Lee, Myung-Chul;Oh, Sejong;Yoon, Hyemyeong
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2019.04a
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    • pp.52-52
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    • 2019
  • Buckwheat is well-known crop for containing a high contents of flavonoids that are effective in vascular disease. The current study was performed to estimate the influence of morphological characterization of Fagopyrum esculentum (ES) germplasm for seed's two major flavonoids contents: rutin and quercetin. We found that the red stem color, pale green leaf color, arrowhead leaf shape, white flower color, pale brown seed coat color, and egg-shaped seed were significantly associated with 77%, 56.7%, 83.7%, 98.7%, 70.8% and 74.5% germplasm, respectively. Overall, the rutin contents of ES germplasm ranged from 0.30 to 47.86 mg/100g dry weight (DW) and the quercetin contents ranged from 0 to 1.22 mg/100g DW. The rutin contents of germplasm possessing red stem color, pale green leaf color, arrowhead leaves, white flower color, pale brown seed coat color and egg-shaped seed ranged from 7.22 to 47.86 mg/100g DW. However, the quercetin contents of germplasm with red stem color and pale brown seed coat color ranged from 0 to 1.15 mg/100g DW, with pale green leaves ranged from 0 to 0.96 mg/100g, with arrowhead leaves and white flower ranged from 0 to 1.22 mg/100g and with egg-shaped seed ranged from 0.32 to 1.22 mg/100g DW. In PCA analysis, the first three principal components (PCs) showed Eigen value more than 1 and accounted for 51.70% of variation. For both higher contents of rutin and quercetin, the morphological evaluation in ES shows a tendency of red stem color, arrowhead leaves, pale green leaf color, white flower color, pale brown seed coat color and egg-shaped seed. From this information, we can assume the rutin and quercetin contents by the morphological characteristics of the germplasm. And It could be useful in improving the rutin and quercetin contents and selecting proper resources for cultivation in existing buckwheat cultivars.

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Role of oyster mushroom as an alternative fermentation source in the growth of white-spotted flower chafer(Protaetia brevitarsis seulensis) (사료 발효원으로 느타리버섯 종균이 흰점박이꽃무지 생육에 미치는 영향)

  • Mi-Hye Kim;Jang-Woo Park;Mi-Jung Kim;Jung-Joon Park
    • Korean Journal of Environmental Biology
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    • v.39 no.4
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    • pp.471-478
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    • 2021
  • Effective microorganisms (EM), which are sources of fermentation byproducts in herbal medicine, were compared with oyster mushrooms(OM) to identify alternative larval feeds for white-spotted flower chafer (Protaetia brevitarsis seulensis). The nutritional composition of each fermented feed was analyzed. The content of crude protein, crude fat, and fiber was higher in the OM fermented feed, except for crude ash. No difference in nutritional content of larvae based on fermented feed was observed. A comparative weekly analysis of the live weights of larvae was based on the fermented feed used. The average weight was significantly higher in the feeds using EM and OM from third week of observation. The larval survival rate in the presence of fermented feed was 96.7% compared with 9.8% with non-fermented feed. The results suggest that fermented food source is essential for the growth of white-spotted flower chafer, and OM was a stable alternative to EM as a fermentation source for the survival of white-spotted flower chafer.