ZHANG Lei,WU Longkun,LI Boqian,et al.Research Progress on Difference of Cd Accumulating Pattern and Its Mechanism Among Crop Varieties[J].Northern Horticulture,2017,41(02):184-190.[doi:10.11937/bfyy.201702045]
农作物镉积累的品种差异及其机理研究进展
- Title:
- Research Progress on Difference of Cd Accumulating Pattern and Its Mechanism Among Crop Varieties
- Keywords:
- low accumulation; Cd excluders cultivars; mechanism research; soil pollution; metal pollution
- 文献标志码:
- A
- 摘要:
- 低积累；镉排异型品种；机理研究；土壤污染；重金属污染
- Abstract:
- Heavy metal pollution has become a serious environmental and health problem.Selection and breeding of low cadmium cultivars has been used to minimize the influx of cadmium(Cd) into the human food chain，and thus help solve food security problems.Currently researches of low-Cd-cultivars selection included those of dozens kinds of crops，such as rice，cabbage，peppers，peanuts，sweet potatoes，sunflower and tobacco.Extraction from soil and distribution in different parts was distinct in different cultivars，and meanwhile Cd in crops might affect the absorption of nutrient.Expression of Cd uptake-associated protein，root morphology and root exudates affected Cd extraction in different cultivars.Conducting tissue played an important role in Cd distribution in diffent part of crops.Subcellular cadmium distribution in cultivars was varified，and might be related to the different strategies of different cultivars to withstand Cd stress.For futher selection and breeding of low Cd cultivars，application study should be further strengthened in future research.
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备注/Memo
第一作者简介：张蕾（1984-），女，辽宁沈阳人，博士，讲师，现主要从事重金属污染控制等研究工作。E-mail:zhangleisynu@126.com.基金项目：国家自然科学基金青年资助项目（31600410）；沈阳师范大学生态与环境研究中心主任基金资助项目（EERC-P-201502）；沈阳师范大学校内资助项目（054-51500401）。