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Stand structure and growth of Robinia pseudoacacia 'Jászkiséri' - 'Jászkiséri' black locust

Author

Listed:
  • Tamás Ábri

    (Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
    Department of Plantation Forestry, Forest Research Institute, University of Sopron, Püspökladány, Hungary)

  • Zsolt Keserü

    (Department of Plantation Forestry, Forest Research Institute, University of Sopron, Püspökladány, Hungary)

  • János Rásó

    (Department of Plantation Forestry, Forest Research Institute, University of Sopron, Püspökladány, Hungary)

  • Károly Rédei

    (Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary)

Abstract

Black locust (Robinia pseudoacacia L.) is one of the most widespread tree species introduced into Europe and also into Hungary. It covers 24% of the total Hungarian forest area, providing 25% of the annual timber output of the country. Due to the demands of consumers, new cultivars are to be produced by means of improvement techniques and are to be introduced into the practical forestry use. Mono- and multiclonal cultivars were developed, then variety comparison trials and cultivation tests were established. Based on preliminary yield tests the locust cultivar 'Jászkiséri' (Robinia pseudoacacia 'Jászkiséri') proved to be one of the best black locust cultivars. Consequently, a more precise investigation of the stand structure of this cultivar may also make a significant contribution to the improvement of the relevant cultivation technology. In this study, based on full inventories of 13 stands in 7 subcompartments, age of 5 to 35 years, relationships of mean tree volume to diameter (R2 = 0.9797) and basal area (R2 = 0.9781), furthermore the relationship between mean tree volume and diameter of the stands (R2 = 0.9993) were examined. Besides that, the comparison of 15-year-old 'Jászkiséri' and common black locust (a case study) were presented in this paper, where 'Jászkiséri' proved to be better: significant differences (P < 0.05) were found in diameter, mean tree volume and stem form.

Suggested Citation

  • Tamás Ábri & Zsolt Keserü & János Rásó & Károly Rédei, 2021. "Stand structure and growth of Robinia pseudoacacia 'Jászkiséri' - 'Jászkiséri' black locust," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 67(10), pages 489-497.
    • Handle: RePEc:caa:jnljfs:v:67:y:2021:i:10:id:57-2021-jfs
    DOI: 10.17221/57/2021-JFS
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