首页|Morpho-anatomical adaptations of dominantly grown wild Datura inoxia to wastewater resource:Productivity and ecological issues

Morpho-anatomical adaptations of dominantly grown wild Datura inoxia to wastewater resource:Productivity and ecological issues

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With the increasing global water scarcity,wastewater irrigation has become widespread,but it can have detrimental ecological consequences.Although wastewater contains valuable nutrients for plants,impro-per treatment or the use of untreated wastewater in irrigation can negatively impact soil fertility and plant growth.This study is divided into two parts:firstly,a phytosociological survey was conducted to identify plant species with the highest importance value index(IVI)in the vicinity of wastewater-irrigated areas.Secondly,a comparative morpho-anatomical analysis was carried out to investigate the morpho-anatomical adaptations of the species with the highest IVI under wastewater irrigation com-pared to normal water irrigation.The results of the phytosociological survey revealed the presence of 51 plant species in the vicinity of the wastewater-irrigated areas,with varying relative densities and cov-erage.Datura inoxia exhibited the highest IVI(28.79),followed by Xanthium strumarium(24.34),while Lippia nodiflora showed the lowest IVI(1.86).The morphological growth of D.inoxia was superior under normal water irrigation,but the average root length was greater under wastewater irrigation.Regarding cell anatomy,cell thickness and cell area characteristics in the dermal,ground,and vascular tissues of the stem and root tended to be greater under wastewater treatment.However,the opposite trend was observed in leaf anatomical analysis,possibly due to the combined effect of wastewater and climatic con-ditions.Stem and root xylem thickness were greater under wastewater irrigation,whereas phloem thick-ness was higher under normal water irrigation.The number of vascular bundles in the stem,root,and leaf was higher under wastewater treatment compared to normal water irrigation,but their arrangement was circular in the latter and scattered under wastewater irrigation.Datura inoxia demonstrated strong adap-tive potential under wastewater irrigation,as indicated by its highest relative density,coverage.and IVI,suggesting its suitability for phytoremediation.However,due to the low relative density,coverage,and IVI of many other species,the use of untreated wastewater for irrigation cannot be appreciated.

Water pollutionPhytosociologyStructural growthPhytoremediationAgricultural irrigationEcological concerns

Taimoor Hassan Farooq、Shagufta Jabeen、Awais Shakoor、Muhammad Saleem Arif、Nadia Siddique、Khuram Shahzad、Muhammad Umair Riaz、Yong Li

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Bangor College China,a Joint Unit of Bangor University and Central South University of Forestry and Technology,Changsha 410004,Hunan,China

Department of Botany,The Islamia University of Bahawalpur,Bahawalpur 63100,Pakistan

Hawkesbury Institute for the Environment,Western Sydney University,Penrith,NSW 2751,Australia

Department of Environmental Sciences,Government College University Faisalabad,Faisalabad 38000,Pakistan

Department of Forestry,Range,and Wildlife Management,The Islamia University of Bahawalpur,Bahawalpur 63100,Pakistan

Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China

National Engineering Laboratory for Applied Technology of Forestry and Ecology in South China,Central South University of Forestry and Technology,Changsha 410004,Hunan,China

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Central South University of Forestry and Technology Research FundingScientific Research Foundation of Hunan Provincial Education Department

70702-4520000370702-22200007

2024

10.1016/j.gsf.2023.101717

地学前缘(英文版)
中国地质大学（北京） 北京大学

地学前缘(英文版)

CSTPCD
影响因子：0.576
ISSN：1674-9871
年,卷(期)：2024.15(3)
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