泡桐各器官重金属含量季节动态变化分析  

An Analysis of Heavy Metal Content in Paulownia Crgans with seasonal Trends

作　　者：罗强[1] 吴中军[1] 王灼英[1] 

机构地区：[1]西昌农业高等专科学校,四川西昌615013

出　　处：《西昌农业高等专科学校学报》2003年第4期19-20,24,共3页

摘　　要：研究了南京栖霞铅锌矿货场附近泡桐各器官叶、枝、干、根在春、夏、秋三季节六种重金属元素 Cd,Cr、Pb、Zn、Mn、Cu 含量变化规律,结果表明:在叶中各重金属的含量春季中含量最高,在枝中各重金属的含量是春季最高而秋季最低,在树干中重金属元素在一个生长季节内变化很小,在根中各重金属的含量都是夏季最低,秋季最高。We did a research on variations of the contents of heavy metals Cr,Pb,Zn,Mn,and Cu in pauiwnia organs near Xixia goods yard in Nanjing in spring、summer and autumn.Results have shown:the highest contents in leaves and branches appears in spring but lowest in branches in autumn;changing litte seasons;least in roots in summer but most in autumn.

关 键 词：泡桐 重金属含量 动态变化 季节影响 

分 类 号：Q946.919[生物学—植物学] S792.43[农业科学—林木遗传育种]