Rasyidah Mohamad Razar, Mohd Syolahuddin Mokhter, Mohd Nasaruddin Mohd Aris
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Performance of rubber clones as timber species in rubber forest plantation
Forest plantation is an alternative to forest restoration program to supply high quality timber materials and adopt a sustainable management system. A suitable forest species can be used to occupy the overused and degraded soils. Rubber clones as forest plantation species could offer many advantages such as short planting cycle of 15 years, suitability for Malaysia tropical climate, dual income from latex and wood production, and good quality wood. In this study, seventeen rubber clones were planted in the Rubber Forest Clone Trials in two locations: Chikus Forest Reserve in Perak and RRIMINIS Lakai in Negeri Sembilan. The best performing clones in Lakai and Chikus are RRIM 2024 and RRIM 3001, respectively. Using the data from five common clones, girth and clear bole volume were found to be higher in Lakai than Chikus. RRIM 2024 can reach tappable girth of 45 cm after five years of planting in Lakai and it recorded the highest clear bole volume of 0.3 m3 at 13 years after planting. The study found significant positive correlations of girth and bole volume increments with relative humidity and temperature, while significant negative correlations with soil class, windspeed and solar radiation. No significant correlation can be observed for rainfall volume due to the similar rainfall record for both locations. RRIM 2024 and RRIM 3001 proven to have vigorous growth and wood volume and thus are recommended for planting in the Rubber Forest Plantation program.
期刊介绍：
The Journal of Rubber Research is devoted to both natural and synthetic rubbers, as well as to related disciplines. The scope of the journal encompasses all aspects of rubber from the core disciplines of biology, physics and chemistry, as well as economics. As a specialised field, rubber science includes within its niche a vast potential of innovative and value-added research areas yet to be explored. This peer reviewed publication focuses on the results of active experimental research and authoritative reviews on all aspects of rubber science.
The Journal of Rubber Research welcomes research on:
the upstream, including crop management, crop improvement and protection, and biotechnology;
the midstream, including processing and effluent management;
the downstream, including rubber engineering and product design, advanced rubber technology, latex science and technology, and chemistry and materials exploratory;
economics, including the economics of rubber production, consumption, and market analysis.
The Journal of Rubber Research serves to build a collective knowledge base while communicating information and validating the quality of research within the discipline, and bringing together work from experts in rubber science and related disciplines.
Scientists in both academia and industry involved in researching and working with all aspects of rubber will find this journal to be both source of information and a gateway for their own publications.
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