Bio- and synthetic fertilizers for reducing root rot and wilt and improving growth and flowering characteristics of rose


  • Gomaa A. ABDEL-WAHED Agricultural Research Center (ARC), Plant Pathology Research Institute, Department of Ornamental, Medicinal and Aromatic Plant Diseases, Giza P.O. Box 12619 (EG)
  • Reem M. SAID Agricultural Research Center, Horticulture Research Institute, Department of Botanical Gardens, (ARC), Giza P.O. Box 12619 (EG)
  • Hamada F.A. AHMED Agricultural Research Center (ARC), Plant Pathology Research Institute, Department of Ornamental, Medicinal and Aromatic Plant Diseases, Giza P.O. Box 12619 (EG)
  • Doaa A. IMARA Agricultural Research Center (ARC), Plant Pathology Research Institute, Department of Ornamental, Medicinal and Aromatic Plant Diseases, Giza P.O. Box 12619 (EG)
  • Mohamed A.M. BAIUOMY Agricultural Research Center (ARC), Plant Pathology Research Institute, Department of Ornamental, Medicinal and Aromatic Plant Diseases, Giza P.O. Box 12619 (EG)
  • Mahmoud F. SELEIMAN King Saud University, College of Food and Agriculture Sciences, Department of Plant Production, P.O. Box 2460, Riyadh 11451 (SA)
  • Naeem KHAN University of Florida, Institute of Food and Agricultural Sciences, Department of Agronomy, Gainesville, FL 32611 (EG)



bio and synthetic fertilizers, seaweed extract, Rhizobacterin, potassium silicate, root rot and wilt, Rosa gallica, R. chinensis


Root rot and wilt diseases are among the most pressing obstacles to the production of rose flowers in Egypt. Isolation results showed that these diseases are mainly caused by seven soil-borne fungi. However, Fusarium roseum, Verticillium dahlia, and Rhizoctonia solani were the most pathogenic fungi against Rosa gallica and R. chinensis compared to other isolated fungi. The present study aimed to investigate the potential of some bio- and synthetic fertilizers, including seaweed extract, Rhizobacterin, NPK, and potassium silicate, as well as the chemical fungicide vitavax 200, to control root rot and wilt and improve growth and flowering traits of both R. gallica and R. chinensis. Under in vitro conditions, the highest linear growth inhibition of pathogenic fungi was achieved by seaweed extract followed by potassium silicate, at 400 ppm each. In addition, vitavax 200 at 400 ppm completely inhibited the linear growth of these fungi. The results also showed that all treatments applied in vivo significantly reduced the incidence of diseases on rose plants in both seasons, leading to an improvement in all growth and flowering parameters and an increase in the content of photosynthetic pigments, total carbohydrates, nitrogen, phosphorus, and potassium. In this regard, seaweed extract (4 and 2 g/L) and potassium silicate (4 g/L) were the most efficient, while Rhizobacterin (2 g/L) and NPK (2 g/plant) were the least effective. However, vitavax 200 was the most effective of all the treatments used. In conclusion, the results proved the possibility of increasing the tolerance of R. gallica and R. chinensis against root rot and wilt, while improving growth and flowering characteristics by using some bio- and synthetic fertilizers.


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How to Cite

ABDEL-WAHED, G. A., SAID, R. M., AHMED, H. F., IMARA, D. A., BAIUOMY, M. A., SELEIMAN, M. F., & KHAN, N. (2024). Bio- and synthetic fertilizers for reducing root rot and wilt and improving growth and flowering characteristics of rose. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 52(1), 13397.



Research Articles
DOI: 10.15835/nbha52113397

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