Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Growth and Flowering of Orostachys japonicus A. Berger as Affected by Phosphorus and Potassium Fertilization

인산과 카리 시비량에 따른 바위솔의 생장과 개화

  • Lee, Chang-Woo (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.) ;
  • Kim, Hong-Young (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.) ;
  • Jeon, Seung-Ho (College of Agriculture & Life Sci., Gyeongsang Natl. Univ.) ;
  • Shin, Sung-Cheol (College of Natural Sci., Gyeongsang Natl. Univ.) ;
  • Kang, Jin-Ho (College of Agriculture & Life Sci., Gyeongsang Natl. Univ., Research Institute of Life Sci., Gyeongsang Natl. Univ.)
  • Published : 2008.06.30
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Abstract

Shoot weight of Orostachys japonicus should determine its profitability. The study was done to determine the effect of phosphorus and potassium fertilization (0, 5, 10, 20 kg $P_2O_5$ or $K_2O$ /1000 $m^2$) on its growth, morphological characters, and flowering. Night-break treatment of 2 hours at midnight were done since Aug. 25 when afterward samples were taken every 4 weeks to Nov. 16. Growth, morphological and flowering related characters were measured from each sample. Plant height, inflorescence length, number of leaves including bracts and stem diameter were increased with increased P and K levels. Leaf and bract, floret, shoot and total dry weights showed similar response to the above morphological characters although P fertilization more increased them than K fertilization. Florets were more formed with increased P and K levels but were not flowered due to the night-break treatment, meaning that P and K fertilization had little effect on anthesis of the florets formed.

Keywords

References

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