Horticulture, Environment, and Biotechnology : HEB

Korean Society of Horticultural Science (한국원예학회)
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Nutrient Uptake Patterns of Native Rhododendron Species in Korea and China under Ebb and Flow Subirrigation

한국과 중국에 자생하는 Rhododendron속 식물의 간이 담배수 저면 관수 시스템에서 양분 흡수 특성

Yu, Shu-Jun;Lee, Jeong-Sik;Jeong, Sun-Jin;Yu, Bong-Sik
유수준;이정식;정순진;유봉식

  • Published : 20030000
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Abstract

Subirrigated by ebb and flow bench system in a greenhouse, analyzed and calculated by Yamazaki formula for hydroponics, the patterns of nutrient uptakes for 7 native Rhododendron species in 5 different pH treatments were outlined. N uptake was exhibited the best at pH 6.5 regime during June and July when the leaf tended to be mature and flower bud differentiation started. P appeared better absorption in the environment of lower pH. K exhibited an unusually low uptake, even the minus n/w value emerged in June and September, K seemed not so important for growth and development. Ca uptake were irregularly but Mg remained at a stable and flat absorption pattern at low levels. In general, at the beginning of pH treatment, monthly the absorption of macronutrients showed an irregular pattern, but then the uptake patterns became regular, i.e., the macronutrient uptakes in 5 pH regimes exhibited a decreasing tendency along with the rise up of pH values for the 7 species of native Rhododendron in Korea and China.

자동 간이 담배수 저면 관수 시스템에서 5가지 다른 pH 처리별 7가지 자생 철쭉류의 양분 흡수율을 Yamazaki 공식에 의해 분석하였다. N 흡수는 엽 전개가 성숙되고, 화아가 분화되기 시작한 6-7월 동안 pH 6.5에서 가장 많이 흡수되었다. P는 낮은 pH에서 흡수가 많았다. K는 흡수율이 낮았고 심지어 6월과 9월에는 양분 흡수율(n/w)값이 마이너스 값을 나타내었다. K는 철쭉류의 생장과 발육에 크게 중요한 것 같지 않았다. Ca 흡수는 불규칙적인 변화를 보였으나 Mg는 낮은 수준에서 안정적으로 유지되었다. 일반적으로 pH 처리 초기에 다량 원소의 월별 흡수가 불규칙적인 형태를 보였지만 이후에는 규칙적인 흡수 형태를 보였다. 즉 한국과 중국에 자생하는 7종의 철쭉류의 pH 5에서부터 다량 원소의 흡수는 pH 값이 올라감에 따라 감소하는 경향을 나타내었다.

Keywords

References

  1. Argo, W.R. and J.A. Biernbaum. 1997. The effect of root media on root-zone pH, calcium, and magnesium management in container with impatiens. J. Amer. Soc. Hort. Sci. 122:275-284
  2. Barker, A.V. and H.A. Mills. 1980. Ammonium and nitrate nutrition of horticultural crops, Hort. Rev. 2:395-423
  3. Beel, E. 1988. The influence of nitrogen and potassium on the growth of hybrid Rhododendron. Verbondsnieuws voor de Belgiche Sierteelt 29:593-595
  4. Dole, J.M., J.C. Cole, and S.L. von Broembsen. 1994. Growth of poinsettias, nutrient leaching, and water use efficiency respond to irrigation methods. HortScience 29:858-864
  5. Haynes, R.J. 1986 Uptake and assimilation of mineral nitrogen by plants, mineral nitrogen in the plant-soil system. p. 303-358. Academic Press, Orlando, FL, USA
  6. Hood, T.M., H.A. Mills, and P.A. Thomas. 1993. Developmental stage affects nutrient uptake by four snapdragon cultivars. HortScience 28: 1008-1010
  7. Lee, J.S. 1998. Studies on watering and hydroponics for pot flowers. J. Kor. Floricult. Res. 1998:19-30
  8. Lingle, J.C., L.O. Tiffin, and J.C. Brown. 1963. Iron uptake transport of soybeans as influenced by other cations. Plant Physiol. 38:71-76 https://doi.org/10.1104/pp.38.1.71
  9. Rosen, C.J., D.L. Allan, and J.J. Luby. 1990. Nitrogen form and solution pH influence growth and nutrition of two Vaccinium clones. J. Amer. Soc. Hort. Sci. 115:83-89
  10. Rural Development Administration. 1988. Chemical analysis methods of soils (soil, plant, and microbe in soil). Suwon, Korea (in Korean)
  11. Ryan, G.F. 1990. Phosphorus and nitrogen nutrition of Rhododendrons. Amer. Rhododendron Soc. J. 44-2:84-87
  12. Sideris, C.P. and H.J. Young. 1956. Pineapple chlorosis in relation to iron and nitrogen. Plant Physiol. 31:211-222 https://doi.org/10.1104/pp.31.3.211
  13. Sonneveld, C. and N. Straver. 1992. Nutrient solution for vegetables and flowers grown in water or substrate. p. 22-23. The Netherlands
  14. Todd, N.M. and D.W. Reed. 1998. Characterizing salinity limits of New Guinea impatiens in recirculating subirrigation. J. Amer. Soc. Hort. Sci. 123:156-160
  15. Whipker, B.E. and P.A. Hammer. 1997. Nutrient uptake in poinsettia during different stages of physiological development. J. Amer. Soc. Hort. Sci. 122:565-573
  16. Yamazaki. 1973. Hydroponics (in Japanese). Horticulture (Jpn. Hort. Soc.). Yanghyontang, Tokyo, Japan
  17. Yu, S.J., Y.M. Chen, and Y.H. Wang. 1993. Introduction and cultivation trials on Rhododendron mucronulatum in Beijing. Acta Hort. Sinica. 20:181-186