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Abstract
Primocane‐fruiting red raspberry plants (Rubus idaeus L.) ‘Redwing’ were grown in six hydroponic solutions containing nitrogen (N) levels of 2.5, 5, 10, 15, 20, and 25 meq N per liter. Plant growth rates and final cane heights were similar in all treatments except for reduced growth in the 2.5 meq per liter treatment. Greatest leaf, stem, and root dry weight accumulation was found in the 10 meq per liter treatment. The greatest numbers of nodes, flowers, and inflorescences per cane were found in the 5, 20, and 10 meq per liter treatments, respectively. Solution N levels had no effect on time of flowering.
Notes
Contribution of the Alabama Agricultural Experiment Station Journal Series No. 11–933497.