Effect of Olive Mill Wastewater and Sewage Sludge addition on growth, flowering and corms production of Freesia hybrida

Authors

  • Mazen Nassour Tishreen University
  • Sawsan Haifa Tishreen University
  • Rana Kassem Tishreen University

Abstract

A field experiment was conducted to evaluate the influence of adding treated organic residues (treated olive mill wastewater (OMW) and treated sewage sludge (TSS)) on growth, flowering and corm production of Freesia hybrida grown in calcareous soil, in Lattakia, during the seasons 2018-2019 and 2019-2020. The experiment included 5 treatments: (T1: Control without any additions, T2: mineral fertilization of NPK( 30:20:20) g\m2+ 2 Kg\ m2  of organic manure, T3: 7 l\ m2 of  OMW, T4: 2,5 Kg\ m2 of TSS and T5: 3,5 l\ m2 of OMW+ 1,25 Kg\ m2 of TSS). The treatment T4 achieved close results to treatment T2 with no significant differences between these two for most studied vegetative parameters (plant height, leaf number, leaf area and leaf content of total chlorophyll).
No significant differences were recorded between T2 and T5 regarding all qualitative flowering characteristics (number of spikes per plant, number of flowers per spike, length flower stalk, diameter and height of flower). Also early flowering was recorded in T4 and T5 along with longer flowering duration as compared to T2. Results also showed that all fertilization treatments were superior to the control treatment T1 for all studied parameters of vegetative growth and flowering. Treatment T5 achieved the highest percentage of cormels < 1 cm in diameter (50%) and was significantly superior to all other studied treatments.

Author Biographies

Mazen Nassour, Tishreen University

Associate professor, Department of Horticulture, Faculty of Agriculture

Sawsan Haifa, Tishreen University

professor, Department of soil and water science, Faculty of Agriculture

Rana Kassem, Tishreen University

Postgraduate student at Department of Horticulture, Faculty of Agriculture

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Published

2021-07-12

How to Cite

نصّور م. ., هيفا س. ., & قاسم ر. . (2021). Effect of Olive Mill Wastewater and Sewage Sludge addition on growth, flowering and corms production of Freesia hybrida. Tishreen University Journal -Biological Sciences Series, 43(3). Retrieved from https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/10748

Issue

Vol. 43 No. 3 (2021): Tishreen University Journal for Research and Scientific Studies - Biological Sciences Series

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