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[1]师俊杰,米雅竹,何永美,等.丛枝菌根真菌与膨润土对蚕豆生长和重金属累积的影响[J].应用与环境生物学报,2018,24(05):952-959.[doi:10.19675/j.cnki.1006-687x.2017.12044]
 SHI Junjie,MI Yazhu,HE Yongmei,et al.Effects of bentonite and arbuscular mycorrhizal fungi on the growth and heavy metal accumulation of faba bean[J].Chinese Journal of Applied & Environmental Biology,2018,24(05):952-959.[doi:10.19675/j.cnki.1006-687x.2017.12044]
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丛枝菌根真菌与膨润土对蚕豆生长和重金属累积的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
24卷
期数:
2018年05期
页码:
952-959
栏目:
土壤微生物资源与生态专栏
出版日期:
2018-10-25

文章信息/Info

Title:
Effects of bentonite and arbuscular mycorrhizal fungi on the growth and heavy metal accumulation of faba bean
作者:
师俊杰米雅竹何永美李博蒋明李元湛方栋
云南农业大学资源与环境学院 昆明 650201
Author(s):
SHI Junjie MI Yazhu HE Yongmei LI Bo JIANG Ming LI Yuan & ZHAN Fangdong**
College of Resources and Environment, Yunnan Agricultural University, Kunming 650201, China
关键词:
共生真菌黏土矿物蚕豆生物量重金属含量
Keywords:
symbiotic fungi clay mineral faba bean biomass heavy metal content
分类号:
X53 + Q948.122.3
DOI:
10.19675/j.cnki.1006-687x.2017.12044
摘要:
丛枝菌根真菌(Arbuscular mycorrhizal fungi,AMF)和膨润土都能影响植物的生长和对重金属的吸收. 以铅锌矿周边污染农田土为供试土壤,开展室内盆栽试验,研究接种AMF、施膨润土的单独和复合处理对蚕豆生长和重金属累积的影响. 结果表明,接种AMF、施膨润土、AMF + 膨润土复合处理都增加蚕豆叶片光合色素含量、株高和生物量,降低土壤有效态重金属含量,减少植株地上部和地下部重金属含量,但增加蚕豆地上部重金属的累积量. AMF + 膨润土复合处理下,蚕豆叶片光合色素(叶绿素a、叶绿素b和类胡萝卜素)含量和植株生物量最大,土壤有效态重金属含量和植株重金属含量最低. 双因素方差分析表明,接种AMF、施膨润土对土壤重金属有效态含量、蚕豆生长(叶片光合色素含量、株高、生物量)、植株重金属含量与累积量存在显著或极显著的影响,但接种AMF与施膨润土处理间没有显著的交互作用. 本研究表明重金属胁迫下,接种AMF和施膨润土单独处理都能促进蚕豆生长和降低植株重金属含量,但复合处理没有叠加效应;结果可为重金属污染土壤的生态修复提供理论和实践依据. (图3 表7 参39)
Abstract:
Both arbuscular mycorrhizal fungi (AMF) and bentonite can affect the growth of plants, as well as their absorption of heavy metals. This study aimed to determine the individual and combined effects of treatments with AMF inoculation and bentonite addition on the growth and heavy metal accumulation of the faba bean. A pot experiment was conducted using heavy-metal polluted soils collected from around a lead-zinc mine in Yunnan Province, China. The individual and combined treatments with AMF inoculation and/or bentonite addition increased the?photosynthetic pigment content in leaves, as well as the height and?biomass of faba bean plants. These treatments also decreased the available heavy metal content in the soil and in the aboveground and underground parts of the plants, although they increased the heavy metal accumulation in the aboveground part of the plants. The highest content of photosynthetic pigments (chlorophyll a, chlorophyll b, and carotenoids) in the leaves and the maximum biomass of the faba bean and minimum content of available heavy metals in the soil and in the plants were observed in the combined treatment with both AMF inoculation and bentonite addition. According to?two-way?ANOVA results, both the AMF and bentonite had significant effects on the content of available heavy metals, growth (photosynthetic pigment content, plant height, and biomass), and heavy metal content and accumulation in the faba bean. However, there was no significant interaction between the AMF and bentonite treatments. These results indicated that both the AMF and bentonite enhanced the growth and decreased the heavy metal content of the faba bean, but no synergistic effect of these treatments was observed in the combined treatment. This study provides a theoretical and practical basis for the ecological remediation of heavy metal-polluted soils.

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更新日期/Last Update: 2018-10-25