Özet:

The research was carried out in the field of Tokat Gaziosmanpaşa University, Faculty of Agriculture, Department of Horticulture, with the aim of determining the effects of the control and Boron (B) fertilizer applied to the 'Tokat-1' Elderberry genotype on the vegetative properties. According to the applications, the number of summer shoots was found to be approximately 14-28 units/plant and it was found to be statistically significant at the (P<0.01) level among the applications. The effects of the treatments on shoot length were found to be significant at (P<0.05). The average tree crown volume was measured as 2.298-0.558 m3 and the highest value was obtained from control and boron application at the beginning of flowering. The difference between the treatments in terms of plant stem diameter was found to be significant at (P<0.05). Leaf area did not vary across treatments. Leaf chlorophyll values varied between 22-30 ccI on average, and the difference between treatments was found to be significant at (P<0.05).

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