Greenhouse studies were conducted to determine the effects of coke, a by-product of the oil sand industry, on the emergence, growth and physiology of Triticum aestivum, Deschampsia caespitosa, Calamagrostis canadensis, Agropyron trachycaulum, Oryzopsis hymenoides, Fragaria virginiana and Cornus sericea. Accumulation of potentially toxic elements in plant tissues was also determined. Plants were grown in peat-mineral mix (control) or coke produced by Syncrude Canada Ltd. or Suncor Energy Inc. Coke had little effect on the emergence of grasses. In most cases, biomass, chlorophyll a and chlorophyll b were lower in coke treated plants than in controls. Transpiration rates of plants grown in coke either decreased or remained unchanged when compared with controls. In some cases, nickel, vanadium, boron and molybdenum were found at higher concentration in coke treated plants than in controls. The results suggested that plants growing in coke suffered from water stress, nutrient deficiency and potentially metal toxicity. Recommendations for revegetation of coke storage sites and future studies are made based on the results of these studies.
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机译:进行了温室研究,确定了油砂工业的副产品焦炭对普通小麦,黑麦草,加拿大黑麦草,加拿大冰草,曲霉,拟南芥,野草莓和山茱ser的出现,生长和生理的影响。还确定了植物组织中潜在有毒元素的积累。植物是用泥炭/矿物质混合物(对照)或Syncrude Canada Ltd.或Suncor Energy Inc.生产的可乐种植的。可乐对草的出现几乎没有影响。在大多数情况下,焦炭处理过的植物的生物量,叶绿素a和叶绿素b低于对照。与对照相比,焦炭中植物的蒸腾速率降低或保持不变。在某些情况下,焦炭处理过的植物中镍,钒,硼和钼的浓度高于对照。结果表明,在焦炭中生长的植物遭受水分胁迫,营养缺乏和潜在的金属毒性。根据这些研究的结果,提出了对焦炭储存场所进行植被再造的建议和未来的研究。
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