Effects of Rape Interplanting With Spraying Gibberellin Hollyhock on Heavy Metal Accumulation in Rape Under Lead and Cadmium Stress

XIONG Ming-biao; RAO Yi-chi; WANG Qian-xin; JI Ding-yu; YANG Shao-ping; YANG Yuan-xiang

Northern Horticulture > 2022 > (17): 17-25.

XIONG Ming-biao, RAO Yi-chi, WANG Qian-xin, JI Ding-yu, YANG Shao-ping, YANG Yuan-xiang. Effects of Rape Interplanting With Spraying Gibberellin Hollyhock on Heavy Metal Accumulation in Rape Under Lead and Cadmium Stress[J]. Northern Horticulture, 2022, (17): 17-25.

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Effects of Rape Interplanting With Spraying Gibberellin Hollyhock on Heavy Metal Accumulation in Rape Under Lead and Cadmium Stress

1. Sichuan Institute of Water Resources Innovation and Development;
2. Office of Academic Research, Sichuan Water Consrevancy Vocational College;
3. College of Environmental Sciences, Sichuan Agricultural University;
4. College of Light Industry and Engineering, Sichuan Technology Business College

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Received Date: March 06, 2022

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Abstract

Abstract

Taking hollyhock and rape as experimental materials,the effect of spraying gibberellic（GA₃）on the accumulation of heavy metals in rape under lead and cadmium stress was studied by using the method of 1:1 intercropping between hollyhock and rape and spraying GA₃ with different concentrations(0,10^-7,10^-6,10^-4 mol·L^-1)under lead and cadmium stress,in order to provide reference for the treatment of cadmium and lead pollution in soil,and the improvement of crop quality.The results showed that after spraying GA₃ on hollyhock,with the increase of GA₃ treatment concentration,the tolerance index of hollyhock and rape to Pb and Cd increased,and the accumulation of rape to Pb and Cd decreased;superoxide dismutase（SOD）,peroxidase（POD）,catalase（CAT）of hollyhock and rape increased with the increase of GA₃ treatment concentration.In the soil polluted by Pb and Cd,the method of spraying GA₃ with hollyhock and intercropping with rape can be used to reduce the accumulation of heavy metals in rape,improve the aboveground biomass of rape,and ensure the quality and safety of rapeseed.
- lead and cadmium stress,
- gibberellin,
- hollyhock,
- rape,
- accumulation characteristics

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References (23)

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