Effect of Benzyladenine on Flower and Leaf Yield of Calla Lily (Zantedeschia Spreng.)

Poznan University of Life Sciences, Department of Ornamental Plants, 60-594 Poznan, Poland


JANOWSKA, B., 2014. Effect of benzyladenine on flower and leaf yield of calla lily (Zantedeschia Spreng.). Bulg. J. Agric. Sci., 20: 633-637


Research was conducted in the years 2008-2010. The cultivars used in the study were as follows: ‘Albomaculata’ derived from Zantedeschia albomaculata /Hook./ Baill., ‘Black Magic’ coming from an inter-species hybrid of Zantedeschia elliottiana/Wats./ Engl. x Z. macrocarpa Engl. and ‘Mango’ derived from Zantedeschia sp. Bulbs 15-18 cm in circumference in the cultivars Black Magic and Mango and 20+ cm in cultivar Albomaculata, with leaf buds 0.5-1.5 cm in length, were planted into 18-cm pots into a medium consisting of peat with a pH of 6.2, enriched with a slow-release fertiliser Osmocote Plus (3-4M) in the amount of 3 g per dm3 and mixed with fresh, shredded pine bark at a rate of 3:1 (v:v). Before planting, the bulbs were soaked for 30 minutes in water solutions of benzyladenine (BA) at concentrations of 0, 100, 350 and 600 mg/dm3. The application of BA at these concentrations resulted in increasing 2-3 times the flower yield, staying neutral towards flower quality. Additionally, the application did not influence the yield of leaves. The leaves, however, showed higher greenness index and protein content.

Key words: ornamental plants, benzyladenine, flowering, index of leaves greenness, protein

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