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水稻品种间对铜的富集和分布差异性特征初探
引用本文:刘光荣,魏林根,周荣娇,李祖章,苏全平. 水稻品种间对铜的富集和分布差异性特征初探[J]. 江西农业大学学报, 2006, 28(1): 12-15
作者姓名:刘光荣  魏林根  周荣娇  李祖章  苏全平
作者单位:江西省农科院,土壤肥料研究所,江西,南昌,330200;江西省农科院,土壤肥料研究所,江西,南昌,330200;江西省农科院,土壤肥料研究所,江西,南昌,330200;江西省农科院,土壤肥料研究所,江西,南昌,330200;江西省农科院,土壤肥料研究所,江西,南昌,330200
摘    要:研究结果表明,Cu在水稻植株各部位的富集情况是W根系>W茎叶>W颖壳>W米粒,相同部位不同品种之间的含Cu水平存在较大的差异。供试品种中米粒含铜水平最低的是“赣香糯”,其值为10.32 mg/kg,接近国家绿色、无公害大米标准的限值(10 mg/kg),最高的是“赣航晚2号”,其值为28.17 mg/kg。茎叶中的含铜水平与米粒中的含铜水平有很好的正相关,相关系数r=0.91。水稻根系具有较强富集Cu的能力,根系较发达、活力较强的品种其富集铜的能力较强。

关 键 词:水稻  品种    分布  差异
文章编号:1000-2286(2006)01-0012-04
收稿时间:2005-02-26
修稿时间:2005-06-28

Distribution and Enrichment of Cu in Rice Variety
LIU Guang-rong,WEI Lin-gen,ZHOU Rong-jiao,LI Zu-zhang,SU Quan-ping. Distribution and Enrichment of Cu in Rice Variety[J]. Acta Agriculturae Universitis Jiangxiensis, 2006, 28(1): 12-15
Authors:LIU Guang-rong  WEI Lin-gen  ZHOU Rong-jiao  LI Zu-zhang  SU Quan-ping
Affiliation:Institute of Soil and Fertilizer,Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
Abstract:The study results show that the concentration order of Cu in different parts of the paddy plant was root>stem and leaf> chaff> grain ,the content of Cu in the same part of different obviously varieties varies.The lowest content of Cu is in "Ganxiangnuo",its value is 10.32 mg/kg,approaching the standard of Green and Innocuous Rice in China(10 mg/kg),the highest one is in" Ganhangwan 2 ",its value is 28.17 mg/kg.The Cu content in stem and that in grain have good positive correlation,whose correlation coefficient is r=0.91.The roots have stronger ability to enrich Cu.Varieties with stronger roots have stronger ability to enrich Cu.
Keywords:rice  variety  Cu  distribution  difference
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