Biochar-bacteria-plant partnerships: Eco-solutions for tackling heavy metal pollution

Harindintwali, Jean Damascene; Zhou, Jianli; Yang, Wenhua; Gu, Qiuya

doi:10.1016/j.ecoenv.2020.111020

Cited by 85 publications

(29 citation statements)

References 138 publications

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“…With the global heavy metal pollution becoming more and more serious, many researchers begin to focus on the harm that heavy metal pollution cause to human and plants 23 and the use of high concentration of heavy metal plants to adsorb heavy metals in soil 24 . Among them, the problem of Cd exceeding the standard is a major problem affecting the food safety of A. brasiliensis industry.…”

Section: Discussionmentioning

confidence: 99%

Effects of cadmium stress on physiological indexes and fruiting body nutritions of Agaricus brasiliensis

Liu

Cai

Yuan

et al. 2021

Sci Rep

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In this study, 0, 0.5, 1, 1.5, 2, 4, 6 and 8 mg·kg−1 of cadmium were added to the cultivation materials. In order to study the effects of different concentrations of Cd stress on J1 and J77, the contents of antioxidant enzymes, proline and malondialdehyde, Cd content, agronomic traits and yield of fruiting bodies of Agaricus brasiliensis were determined, and the nutritional components such as polysaccharide, triterpene, protein, total sugar and total amino acid were determined. The results showed that the physiological indexes of strain J1 and J77 changed regularly under different concentrations of Cd stress. J1 was a high absorption and low tolerance variety, while J77 was a low absorption and high tolerance variety. Low concentration of Cd promoted the growth of strain J1, and higher concentration of Cd promoted the growth of strain J77. The contents of protein and total amino acids in the two strains changed greatly, followed by polysaccharides, which indicated that Cd stress had the greatest impact on the three nutrients, and other nutrients were not sensitive to Cd stress.

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Section: Discussionmentioning

confidence: 99%

Effects of cadmium stress on physiological indexes and fruiting body nutritions of Agaricus brasiliensis

Liu

Cai

Yuan

et al. 2021

Sci Rep

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show abstract

“…Most of the Cd settles on the leaf surface in a residue state [30], and less enters the leaf interior. The Cd and Cu on the blade surfaces may have come from traffic sources, such as motor vehicle exhaust and mechanical wear caused by tires and engines; the Zn and Mn may have come from steel smelting and the alloy industry [31]. Since the sampling sites were located on the main roads in the urban center, this provides some guidance for the further management of pollution caused by traffic.…”

Section: Discussionmentioning

confidence: 99%

The Effect of Different Cleaning Methods on Needles for Assessing the Atmospheric Heavy Metal Retention Capacity of Three Coniferous Trees

et al. 2021

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Urban air pollution has received increasing attention in recent years. To investigate the interaction between several heavy metal elements and the degree of atmospheric pollution, the leaves of three evergreen tree species—Chinese juniper (Juniperus chinensis L.), dragon juniper (Juniperus chinensis L. ‘Kaizuca’), and cedar (Cedrus deodara (Roxb. ex D.Don) G.Don)—were collected from main road intersections in the urban area of Tianjin, China. Two different treatments—water washing (WW) and ethanol washing (EW)—were used, and the contents of Cu, Mn, Cd, and Zn were measured in both washed and unwashed (UW) leaves. It was found that the heavy metal contents within Chinese juniper and dragon juniper were ranked as Mn > Zn > Cu > Cd, and the metal accumulation index (MAI) value was higher for dragon juniper. For the three plants, water washed off 5.36% to 58.58% of the total heavy metals in the needles, while ethanol washed off 16.08% to 71.60% of the total. Both washes were more effective for Cu, Zn, and Cd, and especially for the element Cd. Ethanol could clean off 38.64% to 71.60% of the total Cd from the leaves. Ethanol had a better elution effect compared to water, and the trend of the Cd content in the leaves of the three plants showed a change after the use of different washing methods, which suggests that the water washing may have masked the real difference.

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“…With the global heavy metal pollution becoming more and more serious, more and more researchers begin to focus on the harm of heavy metal pollution to human and plants 23 and the use of high concentration of heavy metal plants to adsorb heavy metals in soil 24 . Among them, the problem of Cd exceeding the standard is a major problem affecting the food safety of A. brasiliensis industry.…”

Section: Discussionmentioning

confidence: 99%

Effects of Cadmium Stress on Physiological Indexes and Fruiting Body Nutritions of Agaricus Brasiliensis

Liu

Chen

Yuan

et al. 2020

Preprint

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In this study, 0, 0.5, 1, 1.5, 2, 4, 6 and 8 mg·kg-1 of cadmium were added to the cultivation materials. In order to study the effects of different concentrations of Cd stress on J1 and J77, the contents of antioxidant enzymes, proline and malondialdehyde, Cd content, agronomic traits and yield of fruiting bodies of Agaricus brasiliensis were determined, and the nutritional components such as polysaccharide, triterpene, protein, total sugar and total amino acid were determined. The results showed that the physiological indexes of strain J1 and J77 changed regularly under different concentrations of Cd stress. J1 was a high absorption and low tolerance variety, while J77 was a low absorption and high tolerance variety. Low concentration of cadmium promoted the growth of strain J1, and higher concentration of Cd promoted the growth of strain J77. The contents of protein and total amino acids in the two strains changed greatly, followed by polysaccharides, which indicated that Cd stress had the greatest impact on the three nutrients, and other nutrients were not sensitive to Cd stress.

show abstract

Biochar-bacteria-plant partnerships: Eco-solutions for tackling heavy metal pollution

Cited by 85 publications

References 138 publications

Effects of cadmium stress on physiological indexes and fruiting body nutritions of Agaricus brasiliensis

Effects of cadmium stress on physiological indexes and fruiting body nutritions of Agaricus brasiliensis

The Effect of Different Cleaning Methods on Needles for Assessing the Atmospheric Heavy Metal Retention Capacity of Three Coniferous Trees

Effects of Cadmium Stress on Physiological Indexes and Fruiting Body Nutritions of Agaricus Brasiliensis

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