• Title/Summary/Keyword: Lycium chinese

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Plant Regeneration from Leaf and Internode Segment Cultures of Boxthorn (Lycium chinense Mill.) (구기자나무의 잎과 마디절편체 배양에 의한 식물체 재생)

  • 김동찬;정해준;민병훈;양덕춘
    • Korean Journal of Plant Tissue Culture
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    • v.28 no.6
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    • pp.329-333
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    • 2001
  • Callus and shoot formation from medicinal crop, Lycium chinense Mill. cv. 'Cheongyang', as influenced by various media, explant sources and plant growth regulators were investigated. The rate of shoots formation, number of shoots, and fresh weight of shoots were the best on MS medium followed by B$_{5}$, WPH, and SH. Callus induction was more effective in leaf than internode segments, and was the best on MS medium containing 0.5 mg/L NAA with 0.2 mg/L BA. Effects of plant growth regulators in shoot formation were more effective in BA than TDA combined with NAA. Shoot formation from callus induced in leaf and internode segments was the best on MS medium containing 0.01 mg/L NAA with 0.2 mg/L BA.

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First Report of Anthracnose Caused by Colletotrichum fioriniae on Chinese Matrimony Vine in Korea

  • Oo, May Moe;Tweneboah, Solomon;Oh, Sang-Keun
    • Mycobiology
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    • v.44 no.4
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    • pp.325-329
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    • 2016
  • A fungus, Colletotrichum fioriniae, was isolated for the first time from fruits of Chinese matrimony vine (Lycium chinense Mill.) in Korea. It was classified as C. fioriniae based on the morphological characteristics and nucleotide sequence of glyceraldehyde-3-phosphate-dehydrogenase and ${\beta}-tubulin$. To the best of our knowledge, this is the first report of C. fioriniae causing anthracnose of Chinese matrimony vine in Korea.

Cultivar Discrimination of Korean and Chinese Boxthorn (Lycium chinense Mill. and Lycium barbarum L.) using SSR Markers (SSR 마커를 이용한 한국산과 중국산 구기자의 품종 판별)

  • Chung, Jong-Wook;Lee, Gi-An;Lee, Sok-Su;Bang, Kyong-Hwan;Park, Chung-Berm;Park, Yong-Jin
    • Korean Journal of Medicinal Crop Science
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    • v.17 no.6
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    • pp.445-451
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    • 2009
  • This study was undertaken to develop a technique of discrimination using SSR makers in boxthorn cultivars. Forty one boxthorn cultivars, which were collected from Korea and China, were evaluated by 10 SSR markers. Total of 61 alleles were detected, ranging from 3 to 13 with an average of 6.1 alleles per locus. The averages of gene diversity and PIC values were 0.482 and 0.428, with a range from 0.25 (GB-LCM-022 and GB-LCM-087) to 0.83 (GB-LCM-167) and from 0.24 (GB-LCM-022 and GB-LCM-087) to 0.81 (GB-LCM-167), respectively. Five markers out of 10 markers, GB-LCM-022, GB-LCM-075, GB-LCM-104, GB-LCM-167 and GB-LCM-217, were selected as key markers for discrimination in boxthorn cultivars. All of boxthorn cultivars were individually distinguished by the combination of five SSR markers.

Eriophyid Mites Associated with Lycium chinese Mill in Korea (한국의 구기자에 기생하는 혹응애)

  • Lee, Won-Koo
    • The Korean Journal of Soil Zoology
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    • v.11 no.1_2
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    • pp.13-15
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    • 2006
  • This report concerns with three species of eriophyid mites on Licium chinensis in Korea. Of them, the external morphology of Aceria tjyingi (Manson 1973) was observed with Scanning Electron Microscope. The author reviewed three species of Korean eryophid mites and suggests Korean names of Aceria kuko kishida, A. macrodonis Keifer, and A. tjyngi (Manson), respectively.

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Effects of Planting Density and Pinching on Growth and Yield of Lycium chinense Miller grown in Vinyl House (구기자 하우스 재배에서 재식거리, 적심방법에 따른 생육 및 수량성)

  • Joo, Moon-Kap;Jeon, Jae-Mok;Kim, Bong-Gu
    • Korean Journal of Medicinal Crop Science
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    • v.7 no.2
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    • pp.89-93
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    • 1999
  • This study was carried out to investigate the effects of planting density, time and frequency of pinching on growth and yield of Lycium chinese Miller cultivated in vinyl house. This experiment was conducted at the experimental field of Cheong-yang Agriculture High School, Cheong-yang, Chung-nam province, in 1997 to 1998. The number of flowers, fruit setting number and dry weight of fruits per branch were increased as the spacings were wider, but the fruit yield per unit area was decreased up to the narrowest spacing plot of $60\;{\times}\;20cm$. The good results of growth status and fruit yield was obtained at the early pinching in May 5. As the more frequent pinching were treated, the more number of flowers and fruits per branch were produced, showing increase of fresh and dry yield, because of much more branches per plot.

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Effects of Sources and Quality of LED Light on Response of Lycium chinense of Photosynthetic Rate, Transpiration Rate, and Water Use Efficiency in the Smart Farm

  • Lee, Seungyeon;Hong, Yongsik;Lee, Eungpill;Han, Youngsub;Kim, Euijoo;Park, Jaehoon;Lee, Sooin;Jung, Youngho;You, Younghan
    • Korean Journal of Ecology and Environment
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    • v.52 no.2
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    • pp.171-177
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    • 2019
  • Smart farm is a breakthrough technology that can maximize crop productivity and economy through efficient utilization of space regardless of external environmental factors. This study was conducted to investigate the optimal growth and physiological conditions of Chinese matrimony vine (Lycium chinense) with LED light sources in a smart farm. The light source was composed of red+blue and red+blue+white mixed light using a LED system. In the red+blue mixed light, red and blue colored LEDs were mixed at ratios of 1:1, 2:1, 5:1, and 10:1, with duty ratios varied to 100%, 99%, and 97%. The experimental results showed that the photosynthetic rate according to the types of light sources did not show statistically significant differences. Meanwhile, the photosynthetic rate according to the mixed ratio of the red and the blue light was highest with the red light and blue LED ratio of 1:1 while the water use efficiency was highest with the red and blue LED ratio of 2:1. The photosynthetic rate according to duty ratio was highest with the duty ratio of 99% under the mixed light condition of red+blue+white whereas the water use efficiency was highest with the duty ratio of 97% under the mixed light of red+blue LED. The results indicate that the light source and light quality for the optimal growth of Lycium chinense in the smart farm using the LED system are the mixed light of red+blue (1:1) and the duty ratio of 97%.

Effect of Drying Temperature on High Quality Functional Processed Products of Chinese Matrimony Vine (가공용 소재로서 구기자나무 잎의 건조온도 조건)

  • Ju, Jung Il;Lee, Jeong;Paik, Seung Woo;Yun, Tug Sang;Park, Young Chun;Lee, Bo Hee;Kim, Hyun Ho;Lee, Hee Bong
    • Korean Journal of Medicinal Crop Science
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    • v.23 no.6
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    • pp.468-472
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    • 2015
  • Background : Chinese matrimony vine (Lycium chinense Mill.) is a deciduous shrub belonging to the Solanaceae. The leaves are used as an alternative raw material replacing dried fruits associated with high production costs in many industires. The aim of this experiment was to determine the effect of drying temperature on the leaves used in the manufacture of functional products. Methods and Results : The leaves of Chinese matrimony vine were harvested when the plant height reached 60 - 70 cm in the spring and treated at four different temperatures ($40^{\circ}C$, $50^{\circ}C$, $60^{\circ}C$ and $70^{\circ}C$). The time to reach the desiccation state of 20% was 63 h at $40^{\circ}C$, 37 h at $50^{\circ}C$, 17 h at $60^{\circ}C$ and 11 h at $70^{\circ}C$. The drying rate per hour was 1.28% at $40^{\circ}C$, 2.25% at $50^{\circ}C$, 4.94% at $60^{\circ}C$ and 7.60% at $70^{\circ}C$. No significant difference were observed in ash, crude fat, polyphenol or rutin content of treated samples. Crude protein and betaine content decreased with higher dry temperatures. Nitrogen free extract of the treated samples increased with higher drying temperatures. Conclusions : Taking into consideration drying time, drying rate, color value, energy consumption and functional ingredients is advantageous to dry the leaves of the Chinese matrimony vine at $60^{\circ}C$ using a hot air agricultural dryer.

Sterol Compositions in Three Solanaceous Seed Oils (3종(種)의 가지과식물종자유중(料植物種子油中)의 Sterol 조성(組成))

  • Jeong, Tae-Myoung;Yang, Min-Suk;Nah, Hyo-Hwan
    • Applied Biological Chemistry
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    • v.21 no.1
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    • pp.51-57
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    • 1978
  • Sterol compositions of three solanaceous plant seed oils i.e., tobacco(Nicotiana tabacum L.), datura (Datura stramonium L.) and Chinese lycium (Lycium chinense Mill.) were analyzed by thin layer chromatography, gas liquid chromatography and gas liquid chromatography-mass spectrometry. Cholesterol, cholest-7-enol, campesterol, 24-methylenecholesterol, stigmasterol, sitosterol, and 28-isofucosterot were identified in 4-des-methylsterol fraction. 31-Norlanost-8-enol, $4{\alpha}$-methylcholest-8-enol, lophenol, 31-norlanosterol, obtusifoliol, 31-norcycloartenol, cyloeucalenol, gramisterol (24-methylenelophenol), and citrostadienol in 4-monomethylsterol fraction, and lanost-8-enol, cycloartanol, lanosterol, ${\beta}$-amyrin, 24-methylenelanost-8-enol, cycloartenol, lupeol and 24-methylenecycloartanol in 4,4-dimethylsterol fraction were identified respectively.

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Inheritance of Resistance to Gall Mite(Eriophys macrodonis) in Boxthorn (Lycium chinese) Cultivars (구기자품종의 구기자혹응애 저항성 유전)

  • 최재을;차선경;김영창;김진희;강희경
    • Korean Journal of Plant Resources
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    • v.15 no.3
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    • pp.298-304
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    • 2002
  • The inheritance of resistance to gall mite(Eriophys macrodonis) in boxthorn cultivars was studied with plants infected in open field. Segregation of the F$_1$ generation from crosses between resistant cultivars(Japan 1 and China 1) and susceptible line(CL42-56) hits a 3 resistant : 1 susceptible ratio, and the segregation ratio was 15 : 1 in cross between Japan 1 and China 1. It is concluded that gall mite resistance seemed to be controlled by two duplicate genes(El and E2), such that E1e1E2e2 symbolize the genotypes of China 1 and Japan 1. However, F, generation from Chungyanggugiza and CL42-56 cross did not showed clear segregation pattern but continuous variation was observed against gall mite resistance when resistance was determined on the basis of the percentage of galled leaves. Results indicated that the inheritance of resistance in Chungyanggugiza may be polygenic and complex. Also, Japan 1 and China 1 has a strong potential as a source of gall mite resistance, and Chungyanggugiza showing less resistance still has a valuable source.