IMPACT OF VERMICOMPOST AND BENZYLADENINE ON GERANIUM PLANTS QUALITY

Document Type : Original Research Article

Authors

Ornamental Plants and Landscape Gardening Res. Dept., Hort. Res. Inst., Agric. Res. Center, Egypt

Abstract

This experiment was conducted in 2021 and 2022 seasons at the experimental nursery of Hort. Res. Inst., ARC, Giza, Egypt with the aim to investigate the influence of vermicompost at 0, 5 and 10 g/pot as a soil addition before planting and benzyladenine (BA) as a foliar spray at 0, 500 and 1000 mg/l five times individually or in a combination on vegetative growth, flowering and some chemical contents of Pelargonium zonale plants. Both vermicompost and BA treatments produced the highest values in most studied traits. As for the effect of interaction treatments, soil addition of vermicompost at 10 g/pot and foliar spraying with BA at 1000 mg/l was the most effective treatment for enhancing plant height (cm), branches and leaves number, root length (cm), fresh and dry weights of vegetative growth, and roots (g), number of flowers/plant, flowering stem length (cm), fresh and dry weights of flowers as well as total chlorophylls (mg/g f.w.), total carbohydrates, N, P and K percentages in both seasons. So, it is recommended to apply the interaction treatment of vermicompost at 10 g/pot as a soil addition and BA at 1000 mg/l as a foliar spray to enhance all vegetative growth, rooting, flowering and chemical constituents of Pelargonium zonale plants

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