还原型谷胱甘肽对间作体系下 小花南芥铅富集特征的影响

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1图分类号：X53；X173 文献标志码：A 文章编号：2095-6819（2025）04-1051-11 doi：10.13254/j.jare.2024.0482

Effcts of reduced glutathioneon lead accumulation characteristics of Arabis alpina L.var.parviflora Franch under intercropping system

NIU Tingting，QI Haolun，WANGLei，LIBo，LI Mingrui， ZU Yanqun，WANG Jixiu* （College of Resources and Environment，Yunnan Agricultural University，Kunming 65o2O1， China）

Abstract：Inorder toexploretheefectofreduced glutathione（GSH）onlead（Pb）enrchmentcharacteristicsofArabisalpinaL.var. paruifloraFahderteogstsofsaidieotratios，ol）ofd mmol L-1 of glutathionesythetaseiitorL-Buthioninsulfoximine，SO）onthebiomas，photosyhetichracteristicstioidant enzyme activities and Pb accumulation characteristics of A . alpina under Pb stress （ 1 000mg⋅kg-1 ）were studied.The results showed that theleaflengthos，otosyteticigntontetndpotosyteticarameersireasedwitheiceaseofHoatio Compared with the 0mmol⋅L-1 GSH treatment， the Pb content，translocation and enrichment coefficient of the aboveground part of the intercropping were significantly increased by 31.04% ， 31.82% and 31.04% under the 10 mmol·L-1 GSH treatment. The REC and MDA in theaboveground part decreased significantly by 58.40% and 29.55% ，andthe GSH activities in the aboveground part increased significantly by 149.66% . Under the treatment of 15mmol⋅L-1 GSH， the γ -GCS activity， 02- ·and production of intercropping were significantlydecreasedby 24.02% 38.40% and 36.18% ，and the contents of SOD，CAT，POD and GSSG were significantly increased by

重金属铅 （Pb 在环境中普遍存在且具有较强的危害性。（剩余19305字）