FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
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Effect of Controlled Release Fertilizer on the Growth and Flowering of Oncidium 'Sweet Sugar'

완효성비료 시비가 온시디움 생육과 개화에 미치는 영향

  • Received : 2009.08.27
  • Accepted : 2009.11.17
  • Published : 2009.12.31

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Abstract

This study was conducted to determine the effect of controlled-release fertilizer on growth of Oncidium. Leaf and pseudobulb length increased with controlled-release fertilizer from 2 g to 3 g treatment compared to hyponex and controlled-release fertilizer I g treatment, while leaf width and number of leaf was not significant among treatments. Plant weight increased with controlled-release fertilizer from 2 g to 3 g treatment compared to hyponex and controlled-release fertilizer I g treatment. Flowering date(bloomed October early) did not show significant difference among treatments. The number of flowers showed the most in controlled-release fertilizer 3 g treatment as 62.4 ea/plant, but was not different significantly among treatments. Flower stem length and width were also non-significant among treatments. Branching numbers increased in the controlled-release fertilizer 2 g and 3 g treatments. Mineral elements of shoot increased from 2 g to 3 g treatment rather than the controlled-release fertilizer 1g treatment. Especially, K content was higher compared to N and P content. Therefore, appropriate controlled-release fertilizer amount for Oncidium was recommended as 2 g.

본 연구는 합리적이고 경제적인 시비량을 확립하기 위하여 온시디움 생육에 적절한 완효성 비료 시비량을 밝히기 위하여 수행하였다. 생육은 완효성 비료 2g, 3g 처리구에서 엽장과 위구경장이 Hyponex 및 완효성 비료 1g 처리에 비해 컸으며, 엽폭 및 엽수에서는 차이가 없었고, 식물체 무게는 완효성 비료 2g, 3g 처리에서 무거웠다. 개화기는 10월 상순으로 비료시용에 따른 차이는 없었다. 회수는 완효성비료 3g 처리에서 62.4로 가장 많았으나 처리간 차이는 없었고, 회경장, 화폭도 비슷한 경향을 보였다. 분지수는 완효성비료 2g, 3g 처리에서 0.2개 증가하였고, 지상부 식물체의 무기성분은 완효성 비료 1g처리 보다는 2, 3g 처리구에서 대부분 함량이 높았으며 특히 칼륨함량은 질소나 인산함량보다는 높은 경향을 보였다. 따라서 온시디움의 생장에 가장 적절한 완효성 비료량은 식물생장과 건물중 생산이 많은 2g이라고 판단되었다.

Keywords

References

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