Effects of Different Ecotypes of Accumulator Plant Intercropping with Cherry Seedlings on Soil Enzyme Activity Under Cadmium Stress

YANG Daiyu; LIN Lijin; ZHANG Xiao; LUO Li; LIAO Mingan; HE Jing

doi:10.13961/j.cnki.stbctb.2015.04.016

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Effects of Different Ecotypes of Accumulator Plant Intercropping with Cherry Seedlings on Soil Enzyme Activity Under Cadmium Stress

- Effects of Different Ecotypes of Accumulator Plant Intercropping with Cherry Seedlings on Soil Enzyme Activity Under Cadmium Stress
- Bulletin of Soiland Water Conservation Vol. 35, Issue 4, Pages: 73-78(2015)
- 作者机构：
  
  1. 四川农业大学园艺学院,四川,成都,611130
  2. 四川农业大学果蔬研究所,四川,成都,611130
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2015.04.016
  CLC：
- Published：2015
- 稿件说明：
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YANG Daiyu, LIN Lijin, ZHANG Xiao, et al. Effects of Different Ecotypes of Accumulator Plant Intercropping with Cherry Seedlings on Soil Enzyme Activity Under Cadmium Stress[J]. Bulletin of Soiland Water Conservation, 2015, 35(4): 73-78.
DOI：

YANG Daiyu, LIN Lijin, ZHANG Xiao, et al. Effects of Different Ecotypes of Accumulator Plant Intercropping with Cherry Seedlings on Soil Enzyme Activity Under Cadmium Stress[J]. Bulletin of Soiland Water Conservation, 2015, 35(4): 73-78. DOI： 10.13961/j.cnki.stbctb.2015.04.016.

摘要

[目的] 研究镉胁迫条件下

两种生态型(矿山和农田)富集植物与樱桃幼苗混种对土壤酶活性的影响

为镉污染区樱桃科学生产提供参考。[方法] 将甜心樱桃和那翁樱桃幼苗分别与两种生态型的镉富集植物小飞蓬、龙葵、马唐混种

测定土壤过氧化氢酶、土壤脲酶和土壤蔗糖酶活性。[结果] 甜心樱桃混种矿山生态型马唐的土壤过氧化氢酶和土壤脲酶活性均最高

分别较甜心樱桃单种提高了41.07%和57.53%。那翁樱桃混种农田生态型小飞蓬的土壤过氧化氢酶活性最高

混种矿山生态型马唐的土壤脲酶活性最高。樱桃幼苗混种两种生态型富集植物后

只有甜心樱桃混种农田生态型小飞蓬、那翁樱桃混种矿山生态型马唐、那翁樱桃混种农田生态型马唐提高了土壤蔗糖酶活性。[结论] 镉胁迫条件下

与樱桃混种以提高土壤酶活性的首选材料是矿山生态型马唐

其次为农田生态型小飞蓬。

Abstract

[Objective] The effects of two ecotypes(farmland and mining) of accumulator plants intercropping with cherry seedlings on soil enzyme activity under cadmium stress were examined in order to provide the reference for cherry production in cadmium pollution area. [Methods] Tianxin cherry and Naweng cherry were intercropped with two ecotypes of cadmium accumulator Conyza canadensis

Solanum nigrum and Digitaria sanguinalis

respectively

and the soil catalase

urease and invertase activities were determined. [Results] When Tianxin cherry intercropped with mining ecotype of D. sanguinalis

the soil catalase and urease activities reached to the highest values

which were improved by 41.07% and 57.53% than monoculture of Tianxin cherry

respectively. When Naweng cherry intercropped with farmland ecotype of C. canadensis

the soil catalase activity reached to the highest value

and the soil urease activity reached to the highest value when intercropped with mining ecotype of D. sanguinalis. When cherry seedlings intercropped with two ecotypes of accumulator plants

only Tianxin cherry intercropping with farmland ecotype of C. canadensis

Naweng cherry intercropping with mining ecotype of D. sanguinalis and Naweng cherry intercropping with farmland ecotype of D. sanguinalis improved the soil invertase activity. [Conclusion] Under cadmium stress

the soil enzyme activity of cherry could be improved by intercropping

and the best material was mining ecotype of D. sanguinalis

and followed by farmland ecotype of C. canadensis.

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