Plant crown traits and photosynthetic capability of Syzygium Campanulatum
2010
Zainudin S R. | Muyang K., Univ. Malaysia Sarawak (UNIMAS), 94300 Kota Samarahan, Sarawak (Malaysia).Faculty of Resource Science and Technology. Dept. of Plant Science and Environmental Ecology | Austin D., Dewan Bandaraya Kuching Utara (DBKU), Kuching, Sarawak, (Malaysia)
The capability to ameliorate and beautify the environment is among the criteria for the selection for urban tree planting. The overall objective of this research was to analyze crown traits and photosynthetic capacity of Syzygium Campunulatum planted widely in Kuching City, Sarawak.Measurements of plant structural and physiological traits of S. Campanulatum were carried out for six months in the year 2009. Four sites were selected for the measurements, two high traffic level sites (P) and two selected from urban parks (C). Crown traits such as leaf area density, leaf area index and crown volume were significantly different between P and C sites. Photosynthetic rates were significantly higher at P sites (14.2 ±1.6 umolm-2 S-1 value of the period) than at C sites (9.8±1.4/lmolm-2 s-t, mean value). Plants planted in cities not only have ornamental functions but also have roles in carbon dioxide sequestration and oxygen release.
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