• 제목/요약/키워드: micropropagation

검색결과 221건 처리시간 0.034초

Practical Factors Controlling in vitro Multiplication and Rooting in Empetrum nigrum var. japonicum, an Endangered Woody Species

  • Park, So-Young;Kim, Yong-Wook;Moon, Heung-Kyu
    • 한국자원식물학회지
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    • 제25권6호
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    • pp.739-744
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    • 2012
  • The plant Empetrum nigrum, valued in the traditional system of medicine, is well known for its antibacterial, antifungal, and antioxidant properties. In the present work, the effect of removal of shoot apical meristem (SAM) on shoot proliferation was studied. It was observed that removal of SAM promoted shoot proliferation whereas intact tip resulted in higher survival percentage. Further, the effect of different concentrations of BA on above was also studied. During root formation the effect of light quality after treatment with IBA was investigated. For rooting, continuous red light without IBA resulted in maximum rooting percentage. The above factors when taken into consideration during micropropagation of this endangered plant can result in healthier plantlets. The results show that the species could be successfully conserved by in vitro propagation system.

In Vitro Propagation of Commonly Used Medicinal Trees in Korea

  • An, Chanhoon
    • Journal of Forest and Environmental Science
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    • 제35권4호
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    • pp.272-280
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    • 2019
  • Forest medicinal resources, which constitute one of the non-timber forest products, have been regarded as healthy and highly valued products. To meet the increasing demand of the medicinal resources, it is necessary to improve the propagation methods of medicinal plants. In vitro propagation not only allows an opportunity for propagating plants in large numbers but also allows for enhancing the quality and quantity of the desired functional component of a plant by altering the growth factors, such as medium, carbon source, and plant growth regulators influence plant. There have been several studies of in vitro propagation methods, such as axillary bud culture, shooting, and embryogenesis, on Kalopanax septemlobus, Eleutherococcus sessiliflorus, Hovenia dulcis, and Schisandra chinensis in Korea between from 2000 through 2010. Furthermore, there have been attempts to proliferate callus and plantlets for producing useful natural compounds by using bioreactors. Here, we provide an account of the in vitro propagation methods of medicinal trees in Korea based on a review of several micropropagation studies.

Plant Regeneration through Micropropagation from Nodal Explants of Critically Endangered and Endemic Plant Exacum travancoricum Bedd

  • Elangomathavan R.;Prakash S.;Kathiravan K.;Seshadri S.;Ignacimuthu S.
    • Journal of Plant Biotechnology
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    • 제8권1호
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    • pp.51-55
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    • 2006
  • A rapid micropropagation protocol was established for Exacum travancoricum Bedd. The effect of two cytokinins viz. BA and kinetin were studied to evaluate the propagation of plants through nodal explants. MS medium supplemented with 13.32 ${\mu}M$ BA induced early bud break and subsequent production of multiple shoots. Rooting of shoots occurred when cultured on 1/2 strength MS medium supplemented with 14.7 ${\mu}M$ IBA. Rooted plants were acclimatized to greenhouse conditions. The propagated plants were transferred successfully to field with 65% success. As the plant was amenable to propagation in vitro, this can be employed as a tool for conservation of this critically endangered and endemic ornamental herb.

Micropropagation of Kalopanax $pictus(T_{HUNB}.)\;N_{AKAI}$ by bud cultrue

  • Kim, Bong-Kyu;Yi, Yong-Sub;Ahn, Joong-Hoon
    • 한국약용작물학회지
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    • 제10권4호
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    • pp.249-252
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    • 2002
  • Several plant growth regulators were examined for on their effect on the in vitro propagation of Kalopanax pictus$(T_{HUNB}.)$ $(N_{AKAI}.)$ on WPM medium. Among the cytokinins tested, BA at $13.32\;{\mu}M$ appeared to be the most effective for multiple axillary shoot formation. Although the addition of $2.89\;{\mu}M\;GA_3$ promoted stem elongation, it produced morphologically abnormal leaves and stems. For rooting of the shoots, $4.9\;{\mu}M$ IBA seemed to be more effective than $2.69\;{\mu}M$ NAA. When the regenerated plants were transferred on artificial mixture containing vermiculite and peat-moss (1 : 1, v/v), 81% of them survived and grew normally.

Plant biotechnology in Asia - Past, present and future

  • Komamine, Astushi
    • 한국식물학회:학술대회논문집
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    • 한국식물학회 1999년도 제13회 식물생명공학심포지움 New Approaches to Understand Gene Function in Plants and Application to Plant Biotechnology
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    • pp.1-9
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    • 1999
  • Plant biotechnology including plant tissue culture is the most important science to rescue human beings from the crisis of biosphere of the earth which they will face in the 21st century. Global area other than Asia of trangenic crops increased more than 16 times from 1996 to 1998. In Asian countries, micropropagation using tissue culture techniques has been well developed and has contributed to agricultural production. Although researches on levels of laboratory and test field trial of transgenic crops have been performed actively in some Asian countries, areas of growing transgenic crops are still small in Asia countries except in China. In this paper, the status of plant biotechnology in global and Asian countries are reviewed and the future prospect of plant biotechnology in Asia and roles of Korean and Japanese plant scientists in it are discussed.

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Seasonal Effects on Shoot Regeneration from Petal Explants of Chrysanthemum (Chrysanthemum morifolium) cv. 'Baeksun'

  • Naing, Aung Htay;Kim, Chang Kil
    • Current Research on Agriculture and Life Sciences
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    • 제32권4호
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    • pp.175-177
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    • 2014
  • This is the first report describing the seasonal conditions affecting shoot regeneration by the chrysanthemum cv. Baeksun. The shoot regeneration from petal explants was found to be more favorable from September to December, reaching the highest values in December. In addition, the quality of the shoots was also influenced according to the season of the explant collection, where healthy and uniform plants were derived from the explants collected in December. Choosing the proper season for explant collection affected the successive plant growth parameters (i.e., plant height and fresh weight). Thus, the current results strongly suggest that season plays an important role in plant tissue culturing, which is an essential tool for micropropagation and Agro-bacterium-mediated genetic transformation studies.

In vitro Plant Propagation: A Review

  • Kumar, Nitish;Reddy, M.P.
    • Journal of Forest and Environmental Science
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    • 제27권2호
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    • pp.61-72
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    • 2011
  • Micropropagation is an alternative mean of propagation that can be employed in mass multiplication of plants in relatively shorter time. Recent modern techniques of propagation have been developed which could facilitate large scale production of true-to-type plants and for the improvement of the species using genetic engineering techniques in the next century. An overview on the in vitro propagation via meristem culture, regeneration via organogenesis and somatic embryogenesis is presented. The usefulness of the plants in commercial industry as well as propagation techniques, screening for various useful characteristics and the influence of different cultural conditions in the multiplication, rooting and acclimatization phases on the growth of tissue cultured plant discussed.