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Non-Destructive Selection of Genotypes with Better Wood Properties from Morphologically Superior Genotypes of Eucalyptus pellita


Affiliations
1 Institute of Wood Science and Technology, 18th Cross, Malleswaram, Bengaluru 560 003, India
2 Tropical Forest Research Institute, Mandla Road, Jabalpur 482 021, India
 

Tree improvement in forestry aims at identifying superior genotypes so as to obtain higher productivity in a shorter period. While selecting superior genotypes, morphological traits like height and girth are given due importance. It is now realized that considering wood quality parameters is essential as it can be highly variable in seemingly identical trees. This would not only reduce the breeding cycle but also enhance the economic value for the growers and ultimately improve the quality of wood-based products. Documenting wood quality traits has always been difficult as they are mostly determined through destructive procedures which are time-consuming and restrictive in terms of a large number of samples. To overcome these limitations, non-destructive tools can be effectively used to obtain information on wood quality parameters in populations and identify superior genotypes. Here we have used non-destructive tools like Pilodyn wood tester and stress wave timer to identify Eucalyptus pellita genotypes having superior wood quality (wood density and stiffness) from 52 selected morphologically better genotypes. Considerable variation exists among the morphologically superior genotypes for Pilodyn penetration (10–17 mm) and stress wave velocity (3.36–4.42 km/s). Ultimately, 26 genotypes have been identified which are superior both in terms of morphology as well as wood quality traits. These genotypes can be used for further propagation and improvement studies in E. pellita.

Keywords

Eucalyptus pellita, Nondestructive Selection, Superior Genotypes, Tree Improvement, Wood Properties.
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  • Non-Destructive Selection of Genotypes with Better Wood Properties from Morphologically Superior Genotypes of Eucalyptus pellita

Abstract Views: 392  |  PDF Views: 122

Authors

A. N. Arunkumar
Institute of Wood Science and Technology, 18th Cross, Malleswaram, Bengaluru 560 003, India
S. S. Chauhan
Tropical Forest Research Institute, Mandla Road, Jabalpur 482 021, India

Abstract


Tree improvement in forestry aims at identifying superior genotypes so as to obtain higher productivity in a shorter period. While selecting superior genotypes, morphological traits like height and girth are given due importance. It is now realized that considering wood quality parameters is essential as it can be highly variable in seemingly identical trees. This would not only reduce the breeding cycle but also enhance the economic value for the growers and ultimately improve the quality of wood-based products. Documenting wood quality traits has always been difficult as they are mostly determined through destructive procedures which are time-consuming and restrictive in terms of a large number of samples. To overcome these limitations, non-destructive tools can be effectively used to obtain information on wood quality parameters in populations and identify superior genotypes. Here we have used non-destructive tools like Pilodyn wood tester and stress wave timer to identify Eucalyptus pellita genotypes having superior wood quality (wood density and stiffness) from 52 selected morphologically better genotypes. Considerable variation exists among the morphologically superior genotypes for Pilodyn penetration (10–17 mm) and stress wave velocity (3.36–4.42 km/s). Ultimately, 26 genotypes have been identified which are superior both in terms of morphology as well as wood quality traits. These genotypes can be used for further propagation and improvement studies in E. pellita.

Keywords


Eucalyptus pellita, Nondestructive Selection, Superior Genotypes, Tree Improvement, Wood Properties.

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DOI: https://doi.org/10.18520/cs%2Fv118%2Fi12%2F1953-1958