Light intensity preferences of some commercial peat swamp forest species

Ismail, P. and Abdul Razak, O. (2008) Light intensity preferences of some commercial peat swamp forest species. Journal of Tropical Plant Physiology, 2. pp. 11-19.

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Abstract

A light intensity study was conducted in nursery for seedlings of six peat swamp forests species. Main objective was to determine preferences of the plants to the light intensity suitable for field planting. The species studied were Anisoptera marginata, Callophyllum ferrugineum, Durio carinatus, Gonystylus bancanus. Madhuca motleyana and Shorea platycarpa. The experiments were carried out in nursery for two years by using three different light intensities: 100, 70 and 30% of relative light intensity. Parameters recorded and observed throughout the periods were plant survival, total height, basal diameter and plant vigorousity. Results of seedlings performances obtained from the experiment indicating that there were differences in light preferences needed by these species for survival and better growth. In general, survival results of the species in two years ranged from 85 to 100%. Growth of the seedlings, in term of basal area and total height varied amonf the species based on different light intensities. Outputs of these studies are useful in selecting suitable species for field planting in different types of degradation in peat swamp areas.

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