EnhancingSalix viminalisL.-mediated phytoremediation of polycyclic aromatic hydrocarbon-contaminated soil by inoculation withCrucibulum laeve(white-rot fungus)
文献类型： 外文期刊
作者： Ma, Xiaodong 1 ; Li, Xia 1 ; Liu, Junxiang 1 ; Cheng, Yunhe 4 ; Zhai, Feifei 5 ; Sun, Zhenyuan 1 ; Han, Lei 1 ;
作者机构： 1.Chinese Acad Forestry, Res Inst Forestry, State Forestry Adm, Key Lab Tree Breeding & Cultivat, Xiangshan Rd, Beijing 100091, Peoples R China
2.Chinese Acad Forestry, State Key Lab Tree Genet & Breeding, Xiangshan Rd, Beijing 100091, Peoples R China
3.Heze Univ, Coll Agr & Bioengn, Univ Rd, Heze 274000, Shandong, Peoples R China
4.Beijing Acad Forestry & Pomol Sci, Shuguanghuayuanzhong Rd, Beijing 100097, Peoples R China
5.Henan Polytech Univ, Sch Architectural & Artist Design, Jiefang Middle Rd, Jiaozuo 454000, Henan, Peoples R China
关键词： Salix viminalisL; White-rot fungi; Remediation efficiency; PAH accumulation; Plant growth; Antioxidant metabolism
期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）
ISSN： 0944-1344
年卷期： 2020 年 27 卷 33 期
页码：
收录情况： SCI
摘要： Although plant-white-rot fungi (WRF) remediation is considered efficient in improving polycyclic aromatic hydrocarbon (PAH)-contaminated soil, the prospects for using it remain poorly known. Therefore, we evaluated whether the WRFCrucibulum laevecould improve the phytoremediation of PAH-contaminated soil bySalix viminalisL. A 60-day pot experiment was conducted to investigate the effects ofC. laeveinoculation (using two inoculation treatments and a non-inoculated control) on the phytoremediation potential, growth, and antioxidant metabolism ofS. viminaliscultivated in PAH-contaminated soil. TheS. viminalis-C. laeveassociation synergistically caused the highest PAH removal rate. Under theS. viminalis-C. laevetreatment, 80% of the biological concentration and translocation factors for all tissues ofS. viminaliswere > 1, whereas only 20% of these factors were > 1 whenS. viminaliswas used alone.C. laeveinoculation remarkably enhanced phytoremediation by promotingS. viminalis-based phytoextraction of PAHs from soils. Furthermore, althoughC. laeveinoculation altered the antioxidant metabolism ofS. viminalisby inducing oxidative stress, thereby inhibiting plant growth, the plant's hardiness enabled it to survive and grow normally for 60 days after treatment. Therefore, phytoremediation usingS. viminalisinoculated withC. laevecan be considered a feasible approach for the phytoremediation of PAH-contaminated soil.
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