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Journal of ginseng research = 高麗人參學會誌 v.29 no.2 = no.78, 2005년, pp.71 - 79   피인용횟수: 1

In Vitro Flower Abscission Induction in North American Ginseng

Campeau Cindy    (Department of Plant Agriculture, University of Guelph   ); Proctor John T. A.    (Department of Plant Agriculture, University of Guelph  );
  • 초록

    In vitro studies using detached inflorescences with peduncles were conducted to investigate flower abscission agents in North American ginseng (Panax quinquefolius L.). Of the nine compounds studied only three, ammonium thiosulphate (ATS), abscisic acid (ABA) and ethephon induced abscission. Anilazine, benzyladenine, carbaryl, gibberellic acid, napthaleneacetic acid and thidiazuron did not induce abscission. ATS dip treatments did not induce abscission but the spray treatments induced $60.5\%$ abscission at $1500\;mg{\cdot}L^{-1}$ and $33.1\%$ at $3000\;mg{\cdot}L^{-1}$ . Severe chlorophyll loss occurred on all inflorescences treated with ATS. Both ABA dip treatments and a $250\;{\mu}mol{\cdot}L^{-1}$ spray treatment caused abscission $(40\%)$ without adverse effects, and timing of ABA application was important. Because ABA was only significant in the dip treatments, ABA may not be a practical option for field use on ginseng. Ethephon sprays induced more abscission as the season progressed and as the concentration increased. As the dip concentrations of ethephon increased, the abscission rate decreased and the health of the inflorescences declined. The $1500\;mg{\cdot}L^{-1}$ spray of ethephon gave consistent abscission results over the glowing season with little phytotoxicity. Treatment with the competitive ethylene inhibitor 1-methylcy-clopropene (1-MCP) suggested that flower abscission was due to the liberation of ethylene from the breakdown of ethephon.


  • 주제어

    Panax quinquefolius .   ethylene .   plant growth regulators.  

  • 참고문헌 (28)

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  • 이 논문을 인용한 문헌 (1)

    1. Jo, Seo-Ri ; Kim, Jung-Sun ; Lee, Nu-Ri ; Choi, Jae-Eul 2012. "Effects of Plant Growth Regulator Treatment on Ginseng berry and seed development in Panax ginseng C. A. Meyer" 韓國藥用作物學會誌 = Korean journal of medicinal crop science, 20(5): 315~319     

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