FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
권호 표지

Effect of Cutting Time on Growth and Flowering of Double Flowered Hydrangea serrata for. acuminata

겹꽃산수국의 삽목시기가 개화에 미치는 영향

  • Lee, Jong Suk (Dept. of Hort. Sci. and Landscape Architecture, College of Natural Science, Seoul Women's University) ;
  • Kim, Hyun Jin (Dept. of Hort. Sci., Seoul Women's University, Graduate School)
  • 이종석 (서울여자대학교 자연과학대학 원예조경학과) ;
  • 김현진 (서울여자대학교 대학원 원예학과)
  • Received : 2010.01.14
  • Accepted : 2010.03.22
  • Published : 2010.03.31
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Abstract

Effects of cutting time of double flowered Hydragea serrata for. acuminata native to Korea on flowering and growth of following year were investigated in order to develop as a pot plant. Cuttings were carried out every 10th day from April to September in 2008. The cuttings were directly placed in 15 cm diameter pots. Longest plant was obtained from May cuttings and their average heights were 31.7 cm, and followed by April and July cuttings. Plant heights of August and September cuttings were 23.6 cm and 22.0 cm, respectively. In contrast, growth and height of June cutting were abnormally small. Leaf length, leaf width and petiole length of August and September cutting were reduced, but numbers of leaves were not changed. Average flower cluster numbers of May cuttings were 4 flower clusters, and July, August and September cuttings were 3 clusters while only 1 flower cluster per a plant was obtained during June. Biggest diameter of flower crown was observed from May cuttings and the size was 10.3 cm diameter; however, smaller flower crown size was observed after July cuttings. The best overall flower appearance was observed from May cuttings, and the worst was June cuttings. Even though plant height of August and September cuttings were reduced, flowering aspect and ornamental value were normal, but blooming times were retarded according to late cutting time.

겹꽃으로 개화하는 한국자생 산수국(Hydragea serrata for. acuminata)을 분화용 식물로 개발하기 위하여 알맞은 삽목시기를 구명하고 월별 삽목시기가 이듬해의 생육과 개화에 미치는 영향을 구명하고자 하였다. 본 실험은 2008년 3월부터 9월까지 매월 10일날에 직경 15cm 크기의 화분에 직접 삽목을 하여 재배한 결과, 초장은 5월에 삽목한 것이 31.7cm로서 가장 컷고 그 다음이 4월과 7월에 삽목한 것 이었으며 8월과 9월에 삽목한 것은 각각 23.6cm와 22.0cm로서 비슷하였다. 그러나 6월에 삽목한 것은 비정상적으로 작았고 생육도 매우 부진하였다. 잎은 8월 이후에 삽목했을때에 엽폭이 좁아지고 엽장도 짧아져서 엽면적이 감소되었으며 엽병장 또한 짧아졌으나 착엽수는 변화가 없었다. 주당 꽃송이의 수는 5월에 삽목한 것이 4송이로서 가장 많았고 7월부터 9월 사이에 삽목한 것은 3송이가 피었으며 6월에 삽목한 것은 1송이가 착화 되어서 가장 적었다. 화관의 크기는 5월에 삽목한 개체가 직경 10.3cm로서 가장 컷으며 7월이후부터는 삽목시기가 늦어질수록 화관의 크기가 감소되었다. 착화수나 꽃의 크기, 소화의 수 등의 개화 상태는 5월에 삽목한 것이 가장 양호하였고 6월에 삽목한 것이 가장 저조하였다. 그러나 8월과 9월에 삽목을 실시하더라도 이듬해에 관상가치가 있는 정상적인 꽃모양을 가진 꽃이 피었으나 개화시기는 약간 늦어졌다.

Keywords

Acknowledgement

Supported by : 서울여자대학교

References

  1. Hartman, H.T. and F. Loreti. 1963. Seasonal variation in rooting leafy olive cuttings under mist. Silvae Genetica 12:31-35.
  2. Henry, P.H., F.A. Blazich, and L.E. Hinesley. 1992. Nitrogen nutrition of containerized eastern redcedar. II. Influence of stock plant fertility on adventitious rooting of stem cuttings. J. Amer. Soc. Hort. Sci. 117:568-570.
  3. Hyun, J.O., S.Y. Kim, D.K. Jo, and G.T. Kim. 2003. A study on the native Hydrangea plants of valuable resource development and conservation. Ministry for Food, Agriculture, Forestry and Fisheries. Agricultural Research Development Research Paper. p.155.
  4. Kim, G.T. 2006. Physiological characteristics and leaf growth of Hydrangea macrophylla var. acuminata growing in different environmental conditions. Kor. J. Env. Eco. 20(1): 70-74.
  5. Ko, J.Y., H.J. Kwon, and M.H. An. 2007. Effects of cutting time and plant growth regulators on rooting of Potentilla fruticosa L.. Kor. J. Hort. Sci. Technol. 25:463-467.
  6. Jeong, J.H. and G.H. Kim. 2001. Effects of cutting time, pinching and growth regulators on growth and flowering of Sedum spectabile and Sedum aizoon. J. Kor. Flower Res. Soc. 9(2):59-66.
  7. Lee, J.S.. 2008. Floricultural science. Hyangmun Publishing Co. Ltd., Seoul, p.161.
  8. Lee, J.S., S.W. Han, H.J. Kim, and N.Y. Lee. 2007. Effects of cutting period and IBA, NAA, Rooton on the rooting of Hydrangea serrata. J. Kor. Soc. People, Plant and Environ. 10(3):131-134.
  9. Lee, S.Y., K.J. Kim, and J.S. Lee. 2008. Characteristics of seed germination and seedling growth of native Hydrangea serrata for. acuminata. Flower Res. J. 16(2):134-142.
  10. Lee, S.Y., N.H. Yoon, J.H. Gu, S.J. Jeong, K.J. Kim, J.C. Rhee, T.J. Lee, and J.S. Lee. 2009. Effect of leaf number and rooting media on adventitious rooting of softwood cuttings in native Hydrangea serrata for. acuminata. Kor. J. Hort. Sci. Technol. 27:199-204.
  11. Lee, S.Y., S.C. Lee, S.T. Park, J.C. Rhee. T.J. Lee, K.J. Kim, and J.S. Lee. 2008. Effect of shading level of nursing bed on the shoot growth of rooted cuttings in native Hydrangea serrata for. acuminata. J. Kor. Flower Res. Soc. 16(3): 153-160.
  12. Lee. T.B. 2003. Coloured Flora of Korea. The First. Hyangmun Pub. Co. Ltd., Seoul, pp.490-492.
  13. Lee, Y.N. 2006. Flora of Korea. Kyohak Publishing Co. Ltd., Seoul, pp.508-511.
  14. Roberts, A.N. and L.H. Fuchigami. 1973. Seasonal changes in Auxin effect on rooting of Douglas-fir stem cuttings as related to bud activity. Physiol. Plant. 28:215-221. https://doi.org/10.1111/j.1399-3054.1973.tb01178.x
  15. Sung, M.S., Y.C. Park, J.S. Kim, S.G. Kang, S.J. Ko, G.H. Kim, and M.H. Ko. 2008. Election of new variety of Hydrangea macrophylla var. acuminata for horticulture. Kor. J. Hort. Sci. Technol. 26(SUPPL.):105-106.
  16. Van Gelderen, C.J. and D.M. Van Gelderen. 2004. Encyclopedia of Hydrangea. Timber Press. Portland. pp.203-238.
  17. Vieitez, E. and J. Pena. 1968. Seasonal rhythm of rooting of Salix atrocinerea cuttings. Physiol. Plant. 21:544-555. https://doi.org/10.1111/j.1399-3054.1968.tb07280.x
  18. Yoshida, K.Y., Y.T. Kato, K. Komeda, and T. Kondo. 2003. Sepal color variation of Hydrangea macrophylla and vacuolar pH measured with a proton-selective microeletrode. Plant Cell Physiology 144:262-268.