Folia Horticulturae

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Effect of nutrition on growth and flower bud formation of Rhododendron cultivated on ebb and flow benches

Michał Bielenin, Bożena Matysiak

Department of Nursery and Seed Production of Ornamental Plants
Research Institute of Pomology and Floriculture
Pomologiczna 18, 96-100 Skierniewice, Poland
e-mail: mbielen@insad.pl

Growth and flower bud formation of Rhododendron ‘Blurettia’, ‘Percy Wiseman’, and ‘Bengal’ on ebb and flow benches flooded with nutrient solution containing 60, 120, and 180 mg N dm-3; 20, 40, or 60 mg P dm-3 and 60 or 120 mg K dm-3 were evaluated. The best growth of all cultivars was obtained at 180 mg N dm-3 while increasing P and K levels did not stimulate growth of plants. ‘Bengal’ did not form flower buds at all but flowering of ‘Blurettia’ was stimulated by high N level while for ‘Percy Wiseman’ N level 120 mg dm-3 and increased K to 120 mg dm-3 ensured the best flower bud set. P level did not affect flowering.

Bielenin M., Matysiak B., 2004. Effect of nutrition on growth and flower bud formation of Rhododendron cultivated on ebb and flow benches. Folia Horticulturae 16/1: 101-105.