Research article

Improvement of grafting procedures for the ornamental species: I. Picea pungens Engelm. var. glauca Regel

Ioan Blada , Teodora Panea

Ioan Blada
Forest Research and Management Institute of Bucharest, 128 Eroilor Boulevard, 077190, Voluntari, Romania. Email: ioan_blada@icashd.ro
Teodora Panea
Research and Development Centre of Bio-stimulators (CCDB) BIOS Cluj, 30 Fântânele Street, 400750 Cluj-Napoca, Romania

Online First: August 09, 2011
Blada, I., Panea, T. 2011. Improvement of grafting procedures for the ornamental species: I. Picea pungens Engelm. var. glauca Regel. Annals of Forest Research 54(2): 185-196.


In order to get ornamental trees for landscaping, Colorado blue spuce (Picea pungens Engelm. var.glauca Regel) scions were grafted on Norway spruce (Picea abies (L. Karst.) rootstocks. An original double-side-veneer grafting method was applied in five experimental or basic variants. The plastic tapes and the ecological Ceraltin wax developed by the Research and Development of Bio-stimulators (CCDB) BIOS Cluj were tested. In addition, two controls in which the classic raffia and the traditional hot wax and the classic side-veneer-grafting method were used. The obtained results, expressed in percents, were transformed in arcsin square root of percent values, and then a two-way analysis of variance (ANOVA) was used. Highly significant (p < 0.001) statistical differences were found between all grafting variants, including controls. The Duncan test proved that original double-side-veneer grafting method and the new developed materials, i.e. plastic tapes and the ecological Ceraltin wax have contributed in getting a better grafting success compared to the controls.Thus, the double-side-veneer grafting method and the two grafting materials are highly recommended to be used in getting grafted Colorado blue spuce ornamental trees.

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  • Ioan Blada
  • Teodora Panea
  • Ioan Blada
  • Teodora Panea