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Mycoremediation with Agaricus bisporus and Pleurotus ostreatus growth substrates versus phytoremediation with Festuca rubra and Brassica sp. for the recovery of a Pb and γ-HCH contaminated soil
Chemosphere ( IF 8.8 ) Pub Date : 2023-03-28 , DOI: 10.1016/j.chemosphere.2023.138538
June Hidalgo 1 , Lur Epelde 1 , Mikel Anza 1 , José M Becerril 2 , Carlos Garbisu 1
Affiliation  

Mycoremediation with mushroom growth substrates can be used for the recovery of mixed contaminated soils due to the benefits derived from the physicochemical characteristics of the substrates, the activity of extracellular enzymes secreted by the fungi, and the presence of the fungal mycelia. The objective of this work was to assess the potential of Agaricus bisporus and Pleurotus ostreatus growth substrates (inoculated mushroom substrates vs. spent mushroom substrates) for the mycoremediation of soils co-contaminated with lead and lindane (γ-HCH). We compared the efficiency of these mycoremediation strategies with the phytoremediation with Brassica spp. Or Festuca rubra plants, in terms of both reduction in contaminant levels and enhancement of soil health. An enhanced soil health was achieved as a result of the application of mycoremediation treatments, compared to phytoremediation and control (untreated) treatments. The application of P. ostreatus inoculated substrate led to the most significant reduction in γ-HCH concentration (up to 88.9% compared to corresponding controls). In the presence of inoculated mushroom substrate, P. ostreatus fruiting bodies extracted more Pb than Brassica spp. Or F. rubra plants. Mycoremediation with P. ostreatus growth substrates appears a promising strategy for the recovery of the health of soils co-contaminated with Pb and γ-HCH.



中文翻译:

双孢蘑菇和平菇生长底物的真菌修复与红羊茅和芸苔属植物修复的对比。用于恢复 Pb 和 γ-HCH 污染的土壤

由于基质的物理化学特性、真菌分泌的细胞外酶的活性以及真菌菌丝体的存在,使用蘑菇生长基质进行的真菌修复可用于恢复混合污染土壤。这项工作的目的是评估双孢蘑菇平菇生长基质(接种蘑菇基质与用过的蘑菇基质)对受铅和林丹 (γ-HCH) 共同污染的土壤进行真菌修复的潜力。我们将这些 mycoremediation 策略的效率与Brassica spp 的植物修复进行了比较。或者羊茅植物,在减少污染物水平和增强土壤健康方面。与植物修复和对照(未处理)处理相比,应用真菌修复处理可改善土壤健康。应用平菇接种底物导致 γ-HCH 浓度显着降低(与相应的对照相比高达 88.9%)。在接种蘑菇基质的情况下,P. ostreatus子实体比Brassica spp 提取更多的 Pb。或F. rubra植物。用平菇生长底物进行真菌修复似乎是恢复受 Pb 和 γ-HCH 共同污染的土壤健康的有前途的策略。

更新日期:2023-03-30
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