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Intercropping with hyperaccumulator plants decreases the cadmium accumulation in grape seedlings

文献类型： 外文期刊

作者： Hu, Rongping 2 ; Zhang, Zijing 3 ; Lin, Lijin 4 ; Liao, Ming'an 1 ; Tang, Yi 4 ; Liang, Dong 4 ; Xia, Hui 4 ; Wang, Jin 4 ;

作者机构： 1.Sichuan Agr Univ, Coll Hort, Chengdu, Sichuan, Peoples R China

2.Sichuan Acad Agr Sci, Inst Plant Protect, MOA Key Lab Integrated Management Pests Crops Sou, Chengdu, Sichuan, Peoples R China

3.Univ Hohenheim, Fac Agr Sci, Stuttgart, Germany

4.Sichuan Agr Univ, Inst Pomol & Olericulture, Chengdu, Sichuan, Peoples R China

5.Neijiang Acad Agr Sci, Maize Res Inst, Neijiang, Peoples R China

关键词： Grape seedlings; intercropping; hyperaccumulator; cadmium; phytoremediation

期刊名称：ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE （ 影响因子：1.694； 五年影响因子：1.568 ）

ISSN： 0906-4710

年卷期： 2019 年 69 卷 4 期

页码：

收录情况： SCI

摘要： In this experiment, four cadmium (Cd) hyperaccumulator species (Crassocephalum crepidioides, Galinsoga parviflora, Sigesbeckia orientalis, and Solanum nigrum) were intercropped with grape (Vitis vinifera) cuttings together in Cd-containated soil to study the effects of intercropping with the Cd-hyperaccumulator plants on growth and Cd accumulation of grape seedlings. Compared with the monoculture, intercropping with S. nigrum increased the biomass of grape seedlings, but intercropping with the other three hyperaccumulator species decreased the grape seedling biomass. Intercropping with S. nigrum increased chlorophyll a and total chlorophyll contents in leaves of grape seedlings compared with the monoculture, whereas intercropping with the other three hyperaccumulator species showed either a decrease or no effect. Intercropping with hyperaccumulator plants had no significant effects on chlorophyll b and carotenoid contents in leaves of grape seedlings compared with the monoculture. Compared with the monoculture, intercropping with C. crepidioides, G. parviflora, S. nigrum and S. orientalis significantly decreased Cd contents in shoots of grape seedlings by 78.7%, 12.7%, 29.8% and 26.5%, respectively. Therefore, intercropping with hyperaccumulator plants can decrease Cd accumulation in grape, and intercropping with S. nigrum can also promote grape seedling growth.

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