• Title/Summary/Keyword: Green plants

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Evaluation of Plant Growth according to the Wavelength Characteristics of the LED Light Source (LED광원의 광파장 특성에 따른 식물의 성장도 평가)

  • Hwang, Jong-Dae;Ko, Dong-Su
    • Journal of the Korean Society of Manufacturing Process Engineers
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    • v.13 no.5
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    • pp.98-106
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    • 2014
  • This study was carried out to evaluate the plant growth rate according to the wavelength characteristics of LED light sources. In order to achieve this, red, green, blue and white LEDs were arrayed in a rectangle array consisting of LED modules which can be combined with each other.. This can facilitate the selection of the optimal characteristics of the light from monochromatic red, green, blue and white LEDs or mixed LEDs for plant growth. Experiments to evaluate the growth rate according to the wavelength characteristics of the LEDs with several plants, in this case ice plants, lettuce, barley, broccoli and chives, were performed.

Multiplex Reverse Transcription Polymerase Chain Reaction Assay for Simultaneous Detection of Five Cucurbit-infecting Viruses.

  • Lee, Su-Heon;Kim, Sang-Mok;Kim, Woo-Chang;Lee, Key-Woon
    • Proceedings of the Korean Society of Plant Pathology Conference
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    • 2003.10a
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    • pp.150.1-150
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    • 2003
  • A single-step multiplex reverse transcription polymerase chain reaction (RT-PCR) assay was developed for the simultaneous detection of five cucurbit-infecting viruses: cucumber mosaic virus (CMV), watermelon mosaic virus 2 (WMV2), zucchini yellow mosaic virus (ZYMV), cucumber green mottle mosaic virus (CGMMV), and kyuri green mottle mosaic virus (KGMMV). The multiplex RT-PCR provides a simple and rapid method for detecting various viruses in cucurbit plants, which will help diagnose many cucurbit plants at a time.

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Study of Commercial Business Men and Employers' Recognition on the Existence Effect of the Roadside Trees

  • Kim Bum-Soo;Oh Jeong-Soo
    • Journal of Environmental Science International
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    • v.14 no.12
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    • pp.1081-1085
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    • 2005
  • This study is carried out for obtaining the basic materials for presentation of creation and desirable management of urban roadside trees through analyse the existence effect of trees on people who operate th commercial areas along the streets. Roadside tree and green areas are recognized comfort space in addition to simple planting area. Therefore various trees and flowering plants should be introduced in addition to roadside facilities for convenience. Planted roadside trees should be maintained. We will propose an method that residents plant and manage the trees and flowering plants on the two lane of one way road. However main lines more than four lane of one way have more public property beside the residents space. Therefore these should be maintained mainly by related government agencies.

Environmental Changes and Lighting Fixtures in the Caves (1) (개방동굴의 조명설비와 환경변화 (1))

  • Soh, Dea-Wha
    • Journal of the Speleological Society of Korea
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    • no.89
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    • pp.16-23
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    • 2008
  • In the cave, there are three kinds of CO2 gas from the human body and humidity or H2O from the underground water and also light from illumination fixture creating plants by photosynthesis. For this reason, the green plants of moss created and lived on the rock in the cave, but sometimes there would be the dry season to be killed the green mosses and hence, it could be dried and blackish. When the dried mosses were taken off from the surface of the rock like as laminated dried one, the moss lamination could be taken off together with the skin of the formated stalactite in the cave. Therefore, cave environment should be changed and degenerated. So it is useful and necessary to get selective wave lighting to have photosynthesis in the cave or not to have it in there by using of the LED lamps.

A Study on the Mock-up Test of Waterproofing/Root Penetration Resistance Technology for the Application to an Eco-bridge (생태교량 적용을 위한 방수·방근공법의 Mock-up 시험 연구)

  • Seon, Yun-Suk;Choi, Su-Young;Kim, Meong-Ji;Choi, Sung-Min;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.05a
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    • pp.230-231
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    • 2014
  • This study is concerned with the root penetration resistance competence and constructability of a waterproofing and root penetration resistance layer of an eco-bridge which is applied with various types of seeding. For the review of root penetration resistance competence, the competence was tested using herbs, woody plants, and tall trees. As a result, there was no tear of or damage to the waterproofing and root penetration resistance layer as well as the sweeping-down phenomenon of a waterproofing and root penetration resistance layer by soil. Also, the effect of the root growth of herbs, woody plants, and tall trees on the root penetration resistance system was confirmed.

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The History of Social and Culture with Food in the Bible (The Five of Books of Moses) (성경상에 나타난 식품 사회.문화사 (모세 오경 중심으로))

  • 김영희
    • The Korean Journal of Food And Nutrition
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    • v.8 no.2
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    • pp.128-134
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    • 1995
  • God created the havens and earth and god gave man every seed-bearing plant and every tree that has fruit with seed in it. These food Is all vegetable food that don't take diseases of adult people. But God gave Noah the green plants. Everything that lives and moves will be food for Noah. Just as God gave man the green plants. And then man must not eat meat (animal protein food) that has its lifeblood still in it and God must not eat fat in it. The fat contains much fat (saturated fatty acids) and cholesterol that have susceptibility to disease of coronary heart, hypertension and atheriosclerosis etc. God must not eat these fat before we don't know that It have susceptibility to disease of adult people.

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Virus-resistant and susceptible transgenic Nicotiana benthamiana plants expressing coat protein gene of Zochini green mottle mosaic virus for LMO safety assessment

  • Park, M.H.;B.E. Min;K.H. Ryu
    • Proceedings of the Korean Society of Plant Pathology Conference
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    • 2003.10a
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    • pp.146.1-146
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    • 2003
  • Transgenic Nicotiana benthmiana plants harboring and expressing coat protein (CP) gene of Zucchini green mottle mosaic virus (ZGMMV) were generated for both virus-resistant screening and complementation analysis of related viruses and environmental safety assessment (SA) of living modified organism (LMO) purposes. Transformation of leaf disc of N. benthamiana was performed using Agrobacterium-mediated method and the pZGCPPGA748 containing the ZGMMV CP and NPTII genes. Two kinds of transgenic homozygous groups, virus-resistant and -susceptible lines, were obtained by screening of challenging homologous virus for T1 generations. Complementation of CP-deficient related virus was analyzed using the susceptible line of ZGMMV. These two pathologically different lines can be useful for host-virus interactions and LMO environmental SA.

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Salt Tolerance in Transgenic Pea (Pisum sativum L.) Plants by P5CS Gene Transfer

  • Najafi F.;Rastgar-jazii F.;Khavari-Nejad R. A.;Sticklen M.
    • Journal of Plant Biotechnology
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    • v.7 no.4
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    • pp.233-240
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    • 2005
  • Slices of embryonic axis of mature pea (Pisum sativum L. cv. Green Arrow) seeds were used as explant. Transformation of explants was done via Agrobacterium tumefaciens bearing vector pBI-P5CS construct. The best results for inoculation of explants were obtained when they were immersed for 90 s at a concentration of $6{\times}10^8$ cell $ml^(-1)$ of bacterial suspension. Transformed pea plants were selected on $50\;mg\;l^(-1)$ kanamycin and successful transformants were confirmed by PCR and blotting. Transgenic plants were further analyzed with RT-PCR to confirm the expression of P5CS. Transgenic plants and non-transgenic plants were treated with different concentrations of NaCl 0 (control), 100, 150 and 200 mM in culture medium. Measurement of proline content indicated that transgenic plants produced more amino acid proline in response to salt in comparison with non-transgenic plants. Photosynthetic efficiency in transgenic plants under salt-stress was more than that of non-transgenic plants.

PB-Overexpression of OsZn15, a CCCH-tandem zinc finger protein, increases drought tolerance in rice

  • Seong, So Yoon;Jung, Harin;Choi, Yang Do;Kim, Ju-Kon
    • Proceedings of the Korean Society of Crop Science Conference
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    • 2017.06a
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    • pp.115-115
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    • 2017
  • Zinc finger proteins constitute a large family which has been studied to have various functions in different organisms. Tandem CCCH zinc finger proteins (TZFs), members of the zinc finger protein family, are known to participate as post-transcriptional regulators of gene expression in eukaryotes. Here, we showed that the OsZn15, a gene for tandem CCCH zinc finger protein, is induced by abiotic stress and its overexpression in transgenic rice plants (PGD1:OsZn15) gains higher drought tolerance. Gene expression analysis of promoter:GFP plants revealed that OsZn15 is specifically expressed in anther and embryo, but not in vegetative organs. In-field evaluation, grain yield was higher in the PGD1:OsZn15 than nontransgenic plants under drought conditions. Interestingly, OsZn15 is shown to not only localize at nucleus but also co-localize with both processing bodies (PB) and stress granules (SG), two messenger ribo-nucleoprotein complexes which are known to activate by forming cytoplasmic foci under stress conditions. In sum, these results suggest that OsZn15 increases drought stress tolerance of rice probably by participating in RNA turnover in PB and SG.

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A Study on the Irrigation System of Greenwell Using Ultrasonic Mist Fogger System (초음파안개분무시스템을 이용한 벽면녹화 관수시스템 개발 연구)

  • Kim, Kyung-Hoon;Kim, Yong;Sung, Hyun Chan
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.6
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    • pp.135-143
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    • 2013
  • Ultrasonic mist fogger and the fan were used for investigating the availability of fog circulation system in greenwall and the potential growing ability of the plant. The mist caused by ultrasonic mist fogger was circulated by the fan through the pipeline and supplied to the pots containing plants. Moisture content of the 3 different soils was measured at different irrigation time points. The moisture content of 15-26% in PP and Co soil was maintained at irrigation of 24H, 18H, 12H in a day. Proper growth condition was found in Ardisia pusilla and Hosta plantaginea at the height of L level after 1 month of growth when the plants were irrigated by the fog circulation system. The results suggest that the fog circulation, by ultrasonic mist fogger to the green walls is system of choice for suppling moisture to plants.