Document Type : Review Article
Authors
1
Department of Environmental Agricultural Sciences, Faculty of Graduate Studies and Environmental Research, Ain Shams university, Egypt
2
Department of Ornamental plants and Woody Trees, Agricultural and Biological Institute, National Research Centre, Dokki, Cairo, Egypt
3
Water Research & Polluted Control Dept, National Research Centre, Dokki, Cairo, Egypt.
4
faculty of Graduate Studies and Environmental Research Ain shams university
Abstract
Over the past few years, concerns regarding water scarcity and pollution have become more prominent. In many regions, water supply management requires support. This study aimed to determine the effect of greywater on vegetative parameters and chemical content on the yucca plant by using pots studies under greywater stress. This study was carried out in pilot plant of the experimental area, National Research Centre, Dokki, Cairo, Egypt, during the two successive seasons of 2021-2022. Yucca plants were irrigated with greywater at different dilutions by tap fresh water at the following percentage of greywater: 50%:50% (50%greywater,50% tap water); 67%: 33% (67% greywater, 33% tap water); 75%:25% (75% greywater, 25% tap water);100% (100% greywater, 0% tap water) while the control samples were irrigated with tap water only. It was found that irrigation of yucca plant with raw grey wastewater recorded the highest values in the proline content, protein and chlorophyll a, b in the plants, while all the vegetative parameters were decreased. By irrigation with 75:25 greywater (i.e., 75 % greywater: 25% freshwater), higher values in cell carbohydrates content were recorded compared to the control (i.e.,100% tap water) and other treatments. On the other hand, irrigation with 67% greywater recorded the highest values in vegetative parameters, followed by irrigation with 75% greywater in comparison with the control one (tap water). From this study, it was concluded that long-term irrigation with greywater exhibited a beneficiary effect on Yucca plant.
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