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Evaluation of Variation in Physical Properties of Wood among some Tropical Tree Species of South India


Affiliations
1 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
2 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
3 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
4 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
     

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The paper deals with the variation in wood properties of ten tree species namely Adenanthera pavonina, Artocarpus heterophyllus, Bridelia retusa, Ceiba pentandra, Hydnocarpus wightiana, Hymenodictyon excelsum, Peltophorum pterocarpum, Pterocarpus santalinus, Samadera indica and Tectona grandis grown in the College of Forestry, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala. Stem discs of one inch width were cut at the base, middle and at the top of stem from a randomly selected ten trees of each species for the estimation of physical properties and the specific gravity of wood. Study reveals that, the discs of Adenanthera pavonina recorded highest proportion of heartwood in basal portions followed by Tectona grandis while sapwood percentage was maximum for Samadera indica and Peltophorum pterocarpum. The highest heartwood sapwood ratio was for Tectona grandis in case of disc from the base. The specific gravity of wood of various tree species ranged from 0.14 in Pterocarpus santalinus to 0.96 in Hymenodictyon excelsum.

Keywords

Heartwood, Sapwood, Wood Properties, Specific Gravity, Stem Disc.
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About The Authors

H. T. Hegde
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India
India

M. A. Kalkoor
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India
India

S. K. Jha
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India
India

N. S. Thakur
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India
India


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  • Evaluation of Variation in Physical Properties of Wood among some Tropical Tree Species of South India

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Authors

H. T. Hegde
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
M. A. Kalkoor
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
S. K. Jha
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India
N. S. Thakur
ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari, – 396 450, India, India

Abstract


The paper deals with the variation in wood properties of ten tree species namely Adenanthera pavonina, Artocarpus heterophyllus, Bridelia retusa, Ceiba pentandra, Hydnocarpus wightiana, Hymenodictyon excelsum, Peltophorum pterocarpum, Pterocarpus santalinus, Samadera indica and Tectona grandis grown in the College of Forestry, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala. Stem discs of one inch width were cut at the base, middle and at the top of stem from a randomly selected ten trees of each species for the estimation of physical properties and the specific gravity of wood. Study reveals that, the discs of Adenanthera pavonina recorded highest proportion of heartwood in basal portions followed by Tectona grandis while sapwood percentage was maximum for Samadera indica and Peltophorum pterocarpum. The highest heartwood sapwood ratio was for Tectona grandis in case of disc from the base. The specific gravity of wood of various tree species ranged from 0.14 in Pterocarpus santalinus to 0.96 in Hymenodictyon excelsum.

Keywords


Heartwood, Sapwood, Wood Properties, Specific Gravity, Stem Disc.

References