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Influence of Fertilization and Mycorrhizae on the Nutritional Status of Rhododendron ( Rhododendron hybridum ) in a Nursery

Author

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  • Zbigniew Jarosz

    (Subdepartment of Plant Nutrition, Institute of Horticulture Production, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland)

  • Zenia Michałojć

    (Subdepartment of Plant Nutrition, Institute of Horticulture Production, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland)

  • Karolina Pitura

    (Subdepartment of Plant Nutrition, Institute of Horticulture Production, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland)

  • Katarzyna Dzida

    (Subdepartment of Plant Nutrition, Institute of Horticulture Production, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland)

  • Michał Koter

    (Subdepartment of Plant Nutrition, Institute of Horticulture Production, University of Life Sciences in Lublin, 28 Głęboka Street, 20-612 Lublin, Poland)

Abstract

Background: This study of the large-flowered azalea cv. ‘Anneke’ investigated the impact of two factors, i.e., methods of fertilization and mycorrhization, on the nutritional status of plants during three years of nursery cultivation. Methods: Single mineral fertilizers, a slow-release fertilizer Hortiform pH (SRF), and fertigation in combination with mycorrhization of plants, were applied. Plant roots were inoculated with fungi from the genera Oidiodendron and Hymenoscyphus sp. The nutritional status of the large-flowered azalea in the first three years of cultivation was assessed based on macroelements. Results: The analyses revealed significantly higher content of nitrogen, phosphorus and calcium in the leaves of plants inoculated with fungal mycelium. A beneficial effect of plant mycorrhization on plant nutritional status, i.e., higher levels of nitrogen, phosphorus, potassium, calcium, and magnesium, was noted in the second and third years of azalea cultivation. Conclusions: Significant amounts of the nutrients were utilized in the middle of the growing season and almost fully utilized after the season. Hence, the necessity to supplement nutrients in each subsequent year of plant vegetation was postulated. Fertigation was shown to require further improvement of the nutrient solution.

Suggested Citation

  • Zbigniew Jarosz & Zenia Michałojć & Karolina Pitura & Katarzyna Dzida & Michał Koter, 2021. "Influence of Fertilization and Mycorrhizae on the Nutritional Status of Rhododendron ( Rhododendron hybridum ) in a Nursery," Agriculture, MDPI, vol. 11(6), pages 1-12, June.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:6:p:538-:d:572594
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    References listed on IDEAS

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    1. Manjula Govindarajulu & Philip E. Pfeffer & Hairu Jin & Jehad Abubaker & David D. Douds & James W. Allen & Heike Bücking & Peter J. Lammers & Yair Shachar-Hill, 2005. "Nitrogen transfer in the arbuscular mycorrhizal symbiosis," Nature, Nature, vol. 435(7043), pages 819-823, June.
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