WU Fang,FENG Liguo,WANG Chunhui,et al.Process of Study on Heavy Metals Stabilizing Agent in Cultivating Edible Fungi[J].Northern Horticulture,2018,42(17):155-160.[doi:10.11937/bfyy.20180433]
食用菌栽培中重金属固化剂的研究
- Title:
- Process of Study on Heavy Metals Stabilizing Agent in Cultivating Edible Fungi
- 文献标志码:
- A
- 摘要:
- 采用袋栽法,分别以石灰、石膏混合物和植酸、石灰、石膏混合物作为杏鲍菇(Lentinula edodes)和金针菇(Flammulina velutipes)栽培料的重金属固化剂,研究了在重金属胁迫下混合物固化剂在杏鲍菇和金针菇栽培中对Pb、As、Cd、Hg的固化作用。结果表明:在设定的重金属浓度试验中,处理2(石灰0.2%+石膏0.5%)能够显著缓解Pb、As、Hg 3种重金属元素对杏鲍菇菌丝生长的影响,高浓度则会抑制菌丝的生长。植酸、石灰、石膏缓解重金属元素对金针菇菌丝生长影响的作用不大。通过回归分析,混合物浓度与子实体中重金属As、Cd、Hg含量有显著的线性关系,随着石灰、石膏混合固化剂浓度递增,杏鲍菇子实体中As、Hg含量递减,Cd含量递增;随着植酸、石灰、石膏混合固化剂浓度递增,金针菇子实体中Cd含量递增。
- Abstract:
- In order to find substances that stabilize heavy metal elements in edible fungus cultivation,the method of bag cultivation was used to compare the stabilizing function of lime and gypsum mixture and phytic acid,lime,gypsum mixture on four heavy metals,namely Pb、As、Cd、Hg,in the cultivating process of Lentinula edodes and Flammulina velutipes.The results showed that under the heavy metal treatment,lime and gypsum mixture(lime 0.2%+gypsum 0.5%) could significantly eliminate the influence of Pb,As,Hg on Lentinula edodes mycelium in suitable mixture concentration.However,high concentration of lime and gypsum mixture could inhibit the growth of mycelium.Phytic acid,lime,gypsum mixture influences little on Flammulina velutipes.Via the regression analysis,the concentration of the mixtures kept a significantly linear relationship with the concentration of As,Cd,Hg in the fruiting body.In detail,with the concentration of lime and gypsum mixture increasing,the content of As,Hg in Lentinula edodes fruiting body was diminishing,but the content of Cd in the Lentinula edodes fruiting body increased.With the concentration of phytic acid,lime,gypsum mixture increasing,the content of Cd in Flammulina velutipes fruiting body increased.
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备注/Memo
第一作者简介:吴芳(1988-),女,本科,研究实习员,研究方向为食用菌育种栽培。E-mail:wfang17@126.com.责任作者:黄晓辉(1984-),女,硕士,助理研究员,研究方向为食用菌栽培及菌类产品开发。E-mail:38534098@qq.com.基金项目:长沙市科技计划资助项目(kq1602004)。收稿日期:2018-03-07