THE IMPACT OF AUTOMOBILE POLLUTED SOIL ON SEEDLING GROWTH PERFORMANCE IN SOME HIGHER PLANTS

M. Kabir, Tabinda Noreen, M. Iqbal, M. Shafiq, M. Athar, Z. Farooqi
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引用次数: 1

Abstract

Rapid increase in automobile density and discharge of different types of pollutants from automobile are a serious issue for whole civilized world and in Bhakkar also.Vehicle emission from automobiles released an enormous quantity of toxic pollutants likewise nitrogen dioxide, sulfur dioxide, carbon mono oxide, heavy metals particularly lead, cadmium in environment and produced harmful effects on germination and growth of plants. This study was aim to investigate the effect of automobile polluted soil on the growth of some tree species. In present study the variation in seedling growth performance of three different selected tree species namely, Acacia nilotica L., Albizia lebbeck L. (Benth.) and Eucalyptus globulus Labill. raised in roadside polluted soils of District Bhakkar, Pakistan were recorded in the pots. Results showed that root, shoot, seedling length, number of leaves, and seedling dry weight of Acacia nilotica grown in polluted road soils of Bhakkar-Khansar road showed a significant (p<0.05) decline. Statistical analysis of recorded data showed that root growth and leaf area of Albizia lebbeck in the soil of Bhakkar-Khansar road soil significantly (p<0.05) decreased as compared to control. Similarly, a significant (p<0.05) reduction in shoot, seedling length, number of leaves, leaf area and seedling dry weight performance of E. globulus in polluted soils of Bhakkar-Notak was recorded.
汽车污染土壤对某些高等植物幼苗生长性能的影响
汽车密度的快速增长和不同类型污染物的排放对整个文明世界和巴克卡都是一个严重的问题。汽车排放的废气向环境中释放了大量的有毒污染物,如二氧化氮、二氧化硫、一氧化碳、重金属,特别是铅、镉,对植物的发芽和生长产生了有害的影响。本研究旨在探讨汽车污染土壤对部分树种生长的影响。本研究选取了三种不同树种:尼罗刺槐(Acacia nilotica L.)、小叶合欢(Albizia lebbeck L.)和蓝桉(Eucalyptus globulus Labill)幼苗生长性能的变化。在巴基斯坦巴克卡区路边被污染的土壤中长大的老鼠被记录在罐子里。结果表明:在巴克卡—汉萨公路污染土壤中生长的尼罗刺槐根、梢、苗长、叶数和幼苗干重均显著下降(p<0.05);对记录数据进行统计分析表明,与对照相比,巴卡尔-汉萨尔公路土壤中合欢的根系生长和叶面积显著降低(p<0.05)。同样,在Bhakkar-Notak污染土壤中,球芽草的茎长、苗长、叶片数、叶面积和幼苗干重性能均显著(p<0.05)降低。
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