Influence of Foliar Fertilizers on Growth Characteristics and Leaf Nutrients Content of Guava Seedlings

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Eltahir, F.H.
Ali, I.I.
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Faculty of Agriculture, University of Khartoum, Shambat, Sudan
The response of guava seedlings, grown under nursery conditions, to foliar application of different fertilizer materials was studied. Three foliar fertilizers were used, namely Foliar-X, Compound Cryst and Bayfolan. The potted seedlings were sprayed 12 times during the study period of 6 months, using recommended concentrations. Data were recorded on the following growth parameters: plant height, stem diameter, number of leaves, relative growth rate, leaf area and fresh and dry weights of leaves, stems and roots. Leaf nutrients content was determined at the termination of the experiment. The results showed that all foliar fertilizers resulted in significantly higher values of all growth parameters than the control. The highest values of all growth parameters were obtained in plants sprayed with the Foliar-X, followed by Compound Cryst and then Bayfolan. Leaf-N, P, K, Ca, Mg and Zn contents were significantly greater in the sprayed plants than the control. Significantly greater leaf-N, P, Ca, Mg and Zn contents were associated with Foliar-X or Compound Cryst than Bayfolan.
Page(s): 6 (2), 27-39,6 Ref