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논문 기본 정보

자료유형
학술저널
저자정보
방광자 (상명대학교 환경조경식물산업학부) 주진희 (상명대학교 환경조경식물산업학부)
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한국조경학회 한국조경학회지 한국조경학회지 제32권 제4호
발행연도
2004.1
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1 - 6 (6page)

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This study was carried out to investigate the effects of light intensities on the growth and net photosynthesis of Piper kauzura under different shading levels : 0%, 50%, 70% and 90% of sunlight. Mortality rate was lowest under a 70% shading level but 0% and 90% shading levels were about 46% and 53% each respectively. Plant height was shorter and leaf size was smaller and yellowish under a 0% shading level but increased when light intensity was decreased. However, under a 90% shading level, growth of Piper kauzura was inferior to other treatments. Top fresh weight was about 11.24g under a 50% shading level and about two times higher than that observed in about 6.6g under a 90% shading level. Root fresh weight was about 7.7g under a 0% shading level and was about two times higher than that showed in about 3.84g and 3.64g under 90% and 70% respectively. Total chlorophyll content and chlorophyll a/b rate were increased when light intensity was decreased. Net Photosynthesis achieved the highest under a 70% shading level and maximum photosynthetic photon flux density was 150 molㆍm/sup -2/ㆍs/sup -1/. Therefore, growth of Piper kauzura was good under 50∼70% shading, Meaning that it is an indoor plant that could be highly utilized.

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