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Wood Quality and Pulping Process Efficiency of Elite Eucalyptus spp. Clones Field-Grown under Seasonal Drought Stress

In: Arid Environment - Perspectives, Challenges and Management

Author

Listed:
  • Deborah Rodrigues de Souza Santos
  • Matheus Peres Chagas
  • Rafael Tassinari Resende
  • Mario Tomazello-Filho
  • Carlos Roberto Sette-Junior
  • Evandro Novaes
  • Regina Maria Gomes
  • Julia Lobo Ribeiro Anciotti Gil
  • Rafael Fernandes dos Santos
  • Camila Sarto
  • Carlos de Melo e Silva-Neto

Abstract

The objective of the present study is to evaluate the wood quality of five elite Eucalyptus spp. clones at 4 years of age from a clonal test installed in a region of seasonal drought stress in central-western Brazil focusing on pulp production. A total of 25 trees were systematically felled and disks and logs were obtained along the trunk. Wooden disks were used for density and fiber analyses and the logs were converted into chips for application in the pulping process. For the denser genotype, clone D (E. grandis x E. urophylla x Eucalyptus tereticornis), a thicker cell wall associated to thinner fibers results in a negative effect on the fiber quality. In contrast, clone B (Eucalyptus pellita x E. grandis), which has relatively inferior pulping performance, displayed the lowest wood density associated to wider lumen and fibers. The best growth performances in response to acclimatization and adaptation to the site strongly influences the pulp productivity, which is identified as the parameter of greatest variance between genotypes, and highlighting clone E (E. grandis x E. urophylla).

Suggested Citation

  • Deborah Rodrigues de Souza Santos & Matheus Peres Chagas & Rafael Tassinari Resende & Mario Tomazello-Filho & Carlos Roberto Sette-Junior & Evandro Novaes & Regina Maria Gomes & Julia Lobo Ribeiro Anc, 2023. "Wood Quality and Pulping Process Efficiency of Elite Eucalyptus spp. Clones Field-Grown under Seasonal Drought Stress," Chapters, in: Murat Eyvaz & Ahmed Albahnasawi & Ercan Gurbulak & Mesut Tekbas (ed.), Arid Environment - Perspectives, Challenges and Management, IntechOpen.
  • Handle: RePEc:ito:pchaps:273713
    DOI: 10.5772/intechopen.106341
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    More about this item

    Keywords

    clonal test; kraft pulp; wood technology; fiber; density;
    All these keywords.

    JEL classification:

    • Q50 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - General

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