Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effects of Nutrient Strength and Light Intensity on Nutrient Uptake and Growth of Young Kalanchoe Plants (Kalanchoe blossfeldiana 'Marlene') at Seedling Stage

배양액의 농도와 광강도가 단일처리전 칼랑코에 유묘의 양분흡수와 생육에 미치는 영향

  • Lu, Yin-Ji (Department of Horticultural Science, Seoul National University) ;
  • Son, Jung-Eek (Department of Horticultural Science, Seoul National University)
  • 노은희 (서울대학교 식물생산과학부) ;
  • 손정익 (서울대학교 식물생산과학부)
  • Published : 2005.09.01
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Abstract

It is very important to make shorter and healthier pot plants with increased numbers of branch at a growing stage before short-day exposure. Especially light and nutrient conditions directly affect the growth and quality of the plants as described above. In this study, the effects of nutrient strength and light intensity on the nutrient uptake and growth of young Kalanchoe plants (Kalanchoe blossfeldiana 'Marlene') during this growth stage were investigated. The plants were grown under two radiation integral (15.8 and 7.9 $mol{\cdot}m^{-2}{\cdot}d^{-1}$, PPF) and three EC (0.8, 1.6 and 2.4 $dS{\cdot}m^{-1}$) conditions. Leaf area, fresh weight, dry weight and number of branch were higher at a higher PPF, and this tendency was more evident at an EC above 1.6$dS{\cdot}m^{-1}$. The plants became higher at a lower PPF. When the EC was at 0.8 $dS{\cdot}m^{-1}$, the plants did not grow so healthy regardless of PPF conditions. EC decrement in the nutrient solution was increased with increase of nutrient strength. With growth stage, the nutrient uptake was increased with increases of nutrient strength and PPF. At a higher PPF, $NO_3-N,\;K^{+}\;and\;Ca^{2+}$ were much more absorbed, and especially the uptake of $K^{+}$ was 1.1 to 1.5 times greater than that or $NO_3-N$. From the results, the EC needed above 1.6 $dS{\cdot}m^{-1}$ during the seedling stage in order to make more healthy Kalanchoe plants having more leaf area, fresh weight, dry weight and number of branches under adequate light conditions.

칼랑코에 단일처리전의 유묘기의 목표는 초장이 짧고 건실하며 분지수가 많은 식물체를 생산하는 것이다. 광과 양분조건은 어린 식물의 생육과 품질에 직접적으로 영향을 준다. 본 연구는 이 시기에 배양액농도와 광강도가 생육과 양분흡수에 미치는 영향을 조사하기 위하여, 2조건의 적산일사량(15.8, 7.9 $mol{\cdot}m^{-2}{\cdot}d^{-1}$, PPF)과 3조건의 배양액농도(EC 0.8, 1.6, 2.4 $dS{\cdot}m^{-1}$) 처리를 하였다. 칼랑코에 유묘의 생육조사 결과, 광도가 높을수록 엽면적, 생체중, 건물중이 크게 나타났고 분지가 많이 발생하였다. 이러한 경향은 EC 1.6 $dS{\cdot}m^{-1}$ 이상에서 현저하였다. 초장은 광강도가 낮을수록 컸다. 배양액의 EC 감소분은 배양액의 농도가 증가함에 따라 커지는 경향을 보였다. 생육 단계의 진전에 따른 양분흡수는 광도와 배양액 농도(EC)가 높을수록 많아지는 경향을 나타냈다. 실험기간 중 $NO_3$-N, P, K, Ca은 대체로 고광도에서 저광도보다 많이 흡수되었다. 칼랑코에 유묘기 재배 시, 적정 엽면적, 생체중, 분지수, 초장을 얻고, 식물체의 적절한 양분흡수를 위해서는 고광도 시 배양액 농도를 EC 1.6 $dS{\cdot}m^{-1}$이상으로 관리하는 것이 적절하였고 저광도 시 배양액 농도를 EC 0.8 $dS{\cdot}m^{-1}$ 관리하는 것이 적절하였다. 본 연구결과에서 광도에 따라 배양액 내의 각 무기양분의 농도를 다르게 관리해야 함을 확인하였다.

Keywords

References

  1. Adams, P. 1992. Crop nutrition in hydroponics. Acta Hort. 323:289-305
  2. Alexander, J.D. and J.R. Donnelly. 1995. Photosynthetic and transpirational responses of red spruce under-storey trees to light and temperature. Tree Physiol. 15:393-398 https://doi.org/10.1093/treephys/15.6.393
  3. Ball, V. 2000. Ball redbook. 17th ed. Ball Publishing, Batavia, U.S.A. p. 586-591
  4. Chung, B.N. and M.I. Joung. 1996. Flowering and plant height response as influenced by day length in kalanchoe blossfeldiana. RDA. J. Agri. Sci. 38:594-597
  5. Cui, Y.Y., E.J. Hahn, X.C. Piao, Y.B. Lee, and K.Y. Paek. 2005. Effect of nutrient solution strength on growth of Doritaenopsis 'Tinny Tender' in an ebb and flow system. J. Kor. Soc. Hort. Sci. 43:86-90
  6. Dole, J.M. and H.F. Wilkins. 1999. Floriculture. Prentice Hall, New Jersey, U.S.A. p. 403-408
  7. Eastin, E.F. 1978. Total nitrogen determination for plant material containing nitrate. Anal. Biochem. 85 :591-594 https://doi.org/10.1016/0003-2697(78)90259-2
  8. Fides 2000. Kalanchoe culture guide. Fides Beheer B.V., Delier, Holland. p. 1-43
  9. Israeli, Y., A. Schwartz, Z. Plaut, and D. Yakir. 1996. Effects of light regime on ${\delta}^{13}C$, photosynthesis and yield of field-grown banana (Musa sp., Musaceae). Plant Cell Environ. 19:225-230 https://doi.org/10.1111/j.1365-3040.1996.tb00244.x
  10. Jeon, M.W, E.J. Hahn, and K.Y. Paek. 2003. Effect of nutrient solution strength on growth of potted Pelargonium hortorum 'Pinto White' and 'Pinto Pink' cultured in an ebb and flood irrigation system. J. Kor. Soc. Hort. Sci. 44:518-522
  11. Kim, K.S. 2001. High quality cuttings and pot plant production of Kalanchoe blossfeldiana. Research in Agr. and Life Sci. 5:29-35
  12. Kovacic, M.T. and E.J. Holcomb. 1981. Effects of controlled-release fertilizers and application methods on growth and leaf elemental concentration of Kalanchoe blossfeldiana 'Pixie'. J. Amer. Soc. Hort. Sci. 106:549-552
  13. Lawlor, D.W 1995. Photosynthesis, productivity and environment. J. Expt. Bot. 46:1449-1461 https://doi.org/10.1093/jxb/46.special_issue.1449
  14. Le Bot, J., S. Adamowicz, and P. Robin. 1998. Modelling plant nutrition of horticultural crops: A review. Sci. Hort. 74:47-82 https://doi.org/10.1016/S0304-4238(98)00082-X
  15. Magalhaes, J.R. and Wilcox, G.E. 1983a. Tomato growth and mineral composition as influenced by nitrogen form and light intensity. J. Plant Nut. 6:847-862 https://doi.org/10.1080/01904168309363151
  16. Magalhaes, J.R. and Wilcox, GE. 1983b. Tomato growth and nutrient uptake patterns as influenced by nitrogen form and light intensity. J. Plant Nut. 6:941-956 https://doi.org/10.1080/01904168309363157
  17. Mortensen, L.M. 1994. Effects of day/night temperature variations on growth, morphogenesis and flowering of Kalanchoe blossfeldiana v. Poelln. at different $CO_2$ concentrations, day lengths and photon flux densities. Sci. Hort. 59:233-241 https://doi.org/10.1016/0304-4238(94)90016-7
  18. Nemali, K.S. and M.W. van Iersel 2004. Light intensity and fertilizer oncentration: II. Optimal fertilizer solution concentration for species differing in light requirement and growth rate. HortScience 39: 1293-1297
  19. SAS Institute. 1995. SAS system for window. Release 8.01. SAS Institute Inc., Cary, NC, USA
  20. Treder, J. 2003. Effects of supplementary lighting on flowering, plant quality and nutrient requirements of lily 'Laura Lee' during winter forcing. Sci. Hort. 98:37-47 https://doi.org/10.1016/S0304-4238(02)00220-0
  21. Verberkt, H.D., M.A. Jongh, and R. Schaefer. 1996. Invloed van voeding sconcentratie (EC) op groeien kwaliteit kalanchoe. Proefstation voor Bloemisterij en Glasgroente, Aalsmeer, Rapport 61, p. 47
  22. Wong, S.C., I.R. Cowan, and G.D. Farquhar. 1978. Leaf conductance in relation to assimilation in Eucalyptus pauciflora Sieb. Ex Spreng. Influence of radiance and partial pressure of carbon dioxide. Plant Physiol. 62:670-674 https://doi.org/10.1104/pp.62.4.670
  23. Yang. S.J., W. Amaki and H. Higuchi. 2000. The comparative studies on hotoperiodic flowering responses of in vitro and in vivo plants in Kalanchoe blossfeldiana Poelln. J. Japan. Soc. Hort. Sci. 69(5):635-640 https://doi.org/10.2503/jjshs.69.635
  24. Yoon, H.S., T. Goto, and Y. Kageyama. 2000. Mineral uptake as influenced by growing seasons and developmental stages in spray chrysanthemums grown under a hydroponic system. J. Japan. Soc. Hort. Sci. 69:255-260 https://doi.org/10.2503/jjshs.69.255