Anatomical Properties of Acacia hybrid and Acacia superbulk Planted in Sarawak

Norfaizah, Muhamad (2006) Anatomical Properties of Acacia hybrid and Acacia superbulk Planted in Sarawak. [Final Year Project Report] (Unpublished)

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Abstract

Anatomical studies were done on four species of Acacia, namely Acacia mangium, Acacia auriculiformis, Acacia hybrid and Acacia superbulk. The objectives of this study were to determine the anatomical properties of Acacia mangium, Acacia auriculiformis, Acacia hybrid and Acacia superbulk and to compare the anatomical properties between Acacia mangium, Acacia auriculiformis, Acacia hybrid and Acacia superbulk. The anatomical properties measured were fibre length, fibre diameter, fibre wall thickness, fibre lumen diameter, vessel diameter, number of vessel per mm', ray height, ray diameter and basic density. All the data were analysed using Two-level nested ANOVA. ANOVA results showed the overall anatomical properties of Acacia superbulk, Acacia hybrid Acacia auriculiformis and Acacia mangium were significantly different between species. Results showed that the average value of fibre length and fibre wall thickness in Acacia hybrid was the longest and thickness while fibre diameter, fibre lumen diameter and vessel diameter were smallest in Acacia hybrid. The average value of vessel diameter in all Acacia species increased from pith to bark. However, the average value for vessel density showed opposite results which decreased from pith to bark. Anatomical vertical and radial trends for all Acacia species showed different pattern

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