The stress effect of cadmium absorption between aloe and Solanum nigrum L was studied through a simulation experiment with different cadmium contents in soil. The results showed that the growth characteristics, biomas...The stress effect of cadmium absorption between aloe and Solanum nigrum L was studied through a simulation experiment with different cadmium contents in soil. The results showed that the growth characteristics, biomass and Cd content in the plants of aloe and S. nigrum L were closely related to Cd content in the soil, and S. nigrum L and aloe had a strong tolerance to Cd in the experiment, pH of rhizosphere soil with S. ni- grum L and aloe planted was generally higher than that of non-rhizosphere soil, which is related to the planting pattern. Compared with aloe, S. nig- rum L had a stronger capacity to accumulate Cd, and intercropping S. nigrum L and aloe could inhibit aloe＇s absorption of Cd, which is favorable to the safe planting of aloe. In addition, S. nigrum L has the potential to restore polluted soil.展开更多
The stress effect of cadmium absorption between aloe and Brassica junica was studied through a simulation experiment with different cadmium contents in soil. The results showed that the growth characteristics, biomass...The stress effect of cadmium absorption between aloe and Brassica junica was studied through a simulation experiment with different cadmium contents in soil. The results showed that the growth characteristics, biomass and cadmium content of aloe and B. junica plants were relat- ed to pH and cadmium content in the soil. When aloe was intercropped with B. junica, soil pH was higher than that of single planting, showing that intercropping aloe and B. junica can reduce aloe＇s absorption of Cd. When Cd content in the soil was high, the absorption coefficient of aloe was lower than that of B. junica, and C,d content in the leaves of intercropped aloe was 15.8% -79.2% lower than that of aloe cropped only. In addi- tion, planting B. junica in the soil with different contents of Cd had certain stress effect on aloe＇s absorption of Cd, thereby protecting aloe well, im- proving safety of aloe planting and showing its potential for application in phytoremediation.展开更多
基金Supported by the Scientific Research Project of Public Welfare Industry of Ministry of Land and Resources,China(201111020-7)National Innovation Experimental Project for Undergraduates(201311078017)+1 种基金Scientific Research Project of Guangzhou Higher Education(10A062)Plan Project for Emerging Talents of Guangzhou University(2011)
文摘The stress effect of cadmium absorption between aloe and Solanum nigrum L was studied through a simulation experiment with different cadmium contents in soil. The results showed that the growth characteristics, biomass and Cd content in the plants of aloe and S. nigrum L were closely related to Cd content in the soil, and S. nigrum L and aloe had a strong tolerance to Cd in the experiment, pH of rhizosphere soil with S. ni- grum L and aloe planted was generally higher than that of non-rhizosphere soil, which is related to the planting pattern. Compared with aloe, S. nig- rum L had a stronger capacity to accumulate Cd, and intercropping S. nigrum L and aloe could inhibit aloe＇s absorption of Cd, which is favorable to the safe planting of aloe. In addition, S. nigrum L has the potential to restore polluted soil.
基金Supported by the Scientific Research Project of Public Welfare Industry of Ministry of Land and Resources,China(201111020-7)National Innovation Experimental Project for Undergraduates(201311078017)Scientific Research Project of Guangzhou Higher Education(10A062)
文摘The stress effect of cadmium absorption between aloe and Brassica junica was studied through a simulation experiment with different cadmium contents in soil. The results showed that the growth characteristics, biomass and cadmium content of aloe and B. junica plants were relat- ed to pH and cadmium content in the soil. When aloe was intercropped with B. junica, soil pH was higher than that of single planting, showing that intercropping aloe and B. junica can reduce aloe＇s absorption of Cd. When Cd content in the soil was high, the absorption coefficient of aloe was lower than that of B. junica, and C,d content in the leaves of intercropped aloe was 15.8% -79.2% lower than that of aloe cropped only. In addi- tion, planting B. junica in the soil with different contents of Cd had certain stress effect on aloe＇s absorption of Cd, thereby protecting aloe well, im- proving safety of aloe planting and showing its potential for application in phytoremediation.
