The strength and structure of three commercially important bamboo species in the Philippines vary greatly by location

Timber shortages in the Philippines have increased demand for alternative materials such as bamboo, which is used as a substitute for wood in construction, furniture, farm and household tools, handicrafts, and other products. When properly processed and treated, bamboo culms can be used in many applications traditionally served by wood. There is a strong push to expand bamboo planting across the Philippines, with at least 70,000 hectares of bamboo plantations projected to be needed by 2040.

Bamboo is known to grow in many locations, but factors such as soil, elevation, and temperature can affect how well different species grow. This study explored how the strength and structure of three commercially important bamboo species in the Philippines, specifically Kawayan tinik (Bambusa spinosa), Giant bamboo (Dendrocalamus asper), and Bolo (Gigantochloa levis), are influenced by where they are grown. Bamboo samples were collected from various parts of the country, each under a different climate, and the bamboo properties, such as culm wall thickness, strength, and culm density, were tested.

It was found that bamboo traits can vary significantly depending on location. For example, some areas produced thicker and stronger bamboo, which is better suited for construction and industrial use. One of the species, Kawayan tinik, showed consistent quality across all sites, making it a reliable choice for large-scale planting. On the other hand, Giant bamboo grown in Bukidnon showed the best mechanical qualities, likely due to the province’s elevation and climate. To ensure these differences were not due to genetic variations, DNA tests were done and confirmed the location-based differences.

As bamboo planting expands nationwide to support livelihoods and address climate change, it is concerning that there is no scientifically validated guidance on which species to prioritize, especially given the country’s diverse climates. This study is a first step toward developing a guide to help Philippine bamboo farmers choose suitable species and predict their performance in different locations. The findings of this research are significant because they can inform farmers and policymakers on which bamboo species to plant for optimal growth performance and quality. This supports the country’s goal to expand the use of bamboo for construction, furniture, and industries dependent on renewable materials.

Authors: Ramon A. Razal (Department of Forest Products and Paper Science, College of Forestry and Natural Resources, University of the Philippines Los Baños),  Emmanuel L. Bernardo (Institute of Crop Science, College of Agriculture and Food Science, University of the Philippines Los Baños), Lerma SJ. Maldia (Department of Forest Biological Sciences, College of Forestry and Natural Resources, University of the Philippines Los Baños), Mark Anthony T. Ramos (Institute of Crop Science, College of Agriculture and Food Science, University of the Philippines Los Baños), Clarissa Mae P. Escalona (Institute of Biological Sciences, College of Arts and Sciences, University of the Philippines Los Baños), Maria Angie D. Tayangona (Institute of Crop Science, College of Agriculture and Food Science, University of the Philippines Los Baños) and Consorcia E. Reaño (Institute of Crop Science, College of Agriculture and Food Science, University of the Philippines Los Baños)

Read the full paper: https://www.sciencedirect.com/science/article/pii/S2773139125000394

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