Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Comparison of Photosynthesis between Treatment and Non-treatment of Lime Bordeaux Mixture in 3 Year Old Root in Panax ginseng C. A. Meyer

  • Ahn, Deok-Jong (Punggi Ginseng Experiment Station, Gyeongbuk Provincial ATA) ;
  • Jung, Won-Kwon (Punggi Ginseng Experiment Station, Gyeongbuk Provincial ATA) ;
  • Choi, Jin-Kook (Punggi Ginseng Experiment Station, Gyeongbuk Provincial ATA) ;
  • Jang, Myeong-Hwan (Punggi Ginseng Experiment Station, Gyeongbuk Provincial ATA) ;
  • Kwon, Tae-Ryong (Punggi Ginseng Experiment Station, Gyeongbuk Provincial ATA) ;
  • Shin, Yeon-Hwa (Punggi Ginseng Experiment Station, Gyeongbuk Provincial ATA) ;
  • Lee, Sang-Chul (Division of Plant Bioscience, Kyungpook National University)
  • Received : 2013.05.30
  • Accepted : 2013.06.21
  • Published : 2013.06.30
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Abstract

Korean ginseng has been used for thousands of years as an important medicinal plant. Lime-Bordeaux mixture (LBM) was made with copper sulfate and quicklime, which was sprayed instead of pesticides in ginseng field. Net photosynthesis ($P_N$) was compared between Treatment and Non-treatment of LBM in 3 Year Old Ginseng. $P_N$ in control plot recorded $2.94{\mu}mol\;(CO_2)\;m^{-2}s^{-1}$ at the first day of experiment, which was similar until the last day of experiment. However, The $P_N$ in LBM recorded $2.23{\mu}mol\;(CO_2)\;m^{-2}s^{-1}$, which was lower than that in control plot. As time goes by, The $P_N$ in LBM was gradually increased up to $3.21{\mu}mol\;(CO_2)\;m^{-2}s^{-1}$ and finally, it was similar with that in control plot at 7th day as a $3.20{\mu}mol\;(CO_2)\;m^{-2}s^{-1})$.

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References

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