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KMID : 1098420060140040239
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Korean Journal of Medicinal Crop Science
2006 Volume.14 No. 4 p.239 ~ p.243
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Shading Effect on Growth and Flowering of Orostachys japonicus A. Berger
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Hong Dong-Oh
Lee Chang-Woo
Kim Hong-Young
Kang Jin-Ho
Ryu Yeong-Seop
Shin Sung-Chul
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Abstract
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Orostachys japonicus, a monocarpic plant, is artificially grown in greenhouses. The study was carried out to examine the effect of shading (0, 35, 55, 75, 95%) on growth, morphological characters, and flowering. The treatments were done on August 25 and afterward samples were taken every 2 weeks until October 20, in which growth, morphological and flowering related characters were measured. With severer shading plant height, inflorescence length, number of leaves including bracts and stem diameter were decreased although severely declined in 95% shading treatment. Leaves and bracts, stem, root, shoot and total dry weights increasingly declined with severer shading. Florets formed on the inflorescence showed similar response to the shading treatment as plant height did. Flowering of the florets was not observed throughout all the sampling period, meaning that different light intensities by shading did not affect their flowering.
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KEYWORD
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Orostachys japonicus, shading, growth, morphological characters, flowering
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