作 者：
朱雪梅;邵继荣;林立金;将小军;杨远祥;张青松
单 位：
四川农业大学生命理学院;雅安水土保持生态环境监测分站;四川农业大学资源环境学院
摘 要：
为了揭示重金属复合污染对稻米品质的影响规律,为研究水稻安全生产提供一定的理论基础,本文就成都平原常见的重金属污染元素——锌、铬施入土壤中,进行盆栽试验,对稻米品质进行了研究。结果表明,锌铬复合污染对稻米碾米品质及粒形影响的规律不明显。随土壤中锌、铬浓度的增加,稻米垩白米率、粗蛋白含量呈增加的趋势(P<0.01),而直链淀粉含量呈降低的趋势(P<0.01)。水稻子粒中锌含量随土壤中锌浓度的增加而呈增加的趋势(P<0.01),与土壤中铬浓度变化规律不明显(P>0.05);水稻子粒铬中含量随土壤中锌、铬浓度的增加而增加(P<0.01)。土壤中锌、铬浓度对水稻籽粒中铬含量产生了协同效应(偏相关系数分别为0.9550**和0.8452**)。
译 名：
Effects of Compound Pollution of Zn and Cr on Quality of Rice Grain
作 者：
ZHU Xue-mei1, SHAO Ji-rong2, LIN Li-jin3, JIANG Xiao-jun1, YANG Yuan-xiang1, ZHANG Qing-song1 (1.College of Resource and Environment, Sichuan Agricultural University, Ya'an 625014, China; 2.College of Life Science, Sichuan Agricultural University, Ya'an 625014, China; 3.Yaan Soil & Water Conservation and Eco-environment Monitoring Station, Ya'an 625000, China)
关键词：
compound pollution of Zn and Cr; quality of rice grain; heavy metal
摘 要：
In order to reveal the laws of heavy metals pollution effects on the quality of rice grain, and provide a theoretical basis to safety of rice production, the common elements(Zn and Cr)of heavy metal pollution in Chengdu Plain were added into the soil, and studied the quality of rice grain in a soil pot experiment. The results were as follows:With increasing of contents of Zn and Cr in the soil, the changes in the law of milling quality and shape of rice grain were not obvious(P>0.05). The chalky rice rate and the crude protein content in rice grain increased(P<0.01), but the amylose content of rice grain decreased(P<0.01)with increasing of contents of Zn and Cr in the soil. The content of Zn in rice grain increased(P<0.01)with increasing of content of Zn in the soil, but not obvious with Cr(P>0.05). The content of Cr in rice grain increased with increasing of contents of Zn and Cr in the soil(P<0.01). Partial correlation analysis showed that Zn content in rice grain had highly significant correlation with Zn concentration in the soil(the partial correlation coefficient was 0.731 2**), and had no significant correlation with Cr concentration in the soil(the partial correlation coefficient was -0.101 3). However, Cr content in rice grain had highly significant correlation with Zn and Cr concentrations in the soil(the partial correlation coefficients were 0.955 0** and 0.845 2**, respectively). This indicated that the contents of Zn and Cr in the soil had synergy effects to Cr content in rice grain.
