Affiliation:
1. BİLECİK ŞEYH EDEBALİ ÜNİVERSİTESİ
Abstract
The world population is growing, leading to a gradual decrease in available water supplies. Reusing wastewater is seen as beneficial for environmental conservation and mitigating water contamination. Recycled wastewater includes essential nutrients for agricultural growth, and its reuse can lower the need for fresh water in dry areas. This study examined the impact of diluted treated wastewater at various ratios on the roots and shoot growth of blackberry green cuttings. For this purpose, Jumbo blackberry green cuttings located at the Bilecik Şeyh Edebali University Agricultural Practice and Research Center were used in 2023. In September, cuttings were taken and treated with a control (0 ppm IBA) and a 4000 ppm dose of indole-3-butyric acid (IBA). The cuttings were then planted in rooting tables with perlite and bottom heat (22±2 °C). From the time of planting, the cuttings were irrigated with treated wastewater from the university's wastewater treatment facility, diluted in five different doses (0, 25, 50, 75, 100 %). In the cuttings removed from the rooting medium after 90 days, the following were determined: survival rate (%), rooting rate (%), callus formation rate (%), number of roots (per cutting), root length (cm), root diameter (mm), fresh and dry root weight (g), chlorophyll a (µg/g DW), chlorophyll b (µg/g DW), and total chlorophyll content (µg/g DW). At the end of the trial, the positive effects of treated wastewater on rooting had been determined. The rooting rate was determined to be best in the Control (0 ppm IBA)+TWW100 application (73%). The research suggests that blackberry cuttings can be rooted using treated wastewater without the need for IBA
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