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《Acta Agriculturae Zhejiangensis》 1991-01
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Linght Ecology of Rhododendron and Its Application to Landscape Design

Zhou Guoning, Po Zhaohui & Qiu Wenda (Dept of Horticulture, Zhejiang Agricultural University, Hangzhou 310029, P.R.China; Hangzhou Landscape Architecture Bureau, Hangzhou 310007, P.R.China)  
Studies on the flowering area index and light-photosynthesis response curves of R.mucronatum to light intensity in man-made vegetations dominated with R.mucronatum showed that R.mucronatum should be considered as sunny plant, other than shady plant.The curves of flowering area index related to various light intensity indicated that the thresholds of light intensity for flower initiation are within the range of 2.30-5.85%, thus for optimum flowering area index (1) R.mucronatum var.plenum and R.mucronatum should not be planted at the site with relative light intensity below 9.52% and 41.2% respectively.So R.mucronatum should be grown at location with plenty of light such as the edge of woods, the window of woods or the sunny environment in landacape design.
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