[1]张艳玲潘根兴陈金谢同柏丁亚玲.低硒土壤中不同主栽大豆品种积累硒的差异及其原因[J].大豆科学,2002,21(04):263-266.[doi:10.11861/j.issn.1000-9841.2002.04.0263]
　Zhang YanlingPan GenxingChen JinXie TongbaiDing Yaling.EFFECT OF GENMOTYPEON SELENIUM UPTAKE ANDACCUMULATION BY SOYBEAN IN LOW-Se SOILS[J].Soybean Science,2002,21(04):263-266.[doi:10.11861/j.issn.1000-9841.2002.04.0263]
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低硒土壤中不同主栽大豆品种积累硒的差异及其原因

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第21卷 期数: 2002年04期 页码: 263-266 栏目: 出版日期: 2002-11-25
Title:
EFFECT OF GENMOTYPEON SELENIUM UPTAKE ANDACCUMULATION BY SOYBEAN IN LOW-Se SOILS
文章编号:
1000 -9841(2002)04 -0263 -04
作者:
张艳玲1潘根兴1陈金1谢同柏2丁亚玲2
1.南京农业大学资源与环境科学院, 南京, 210095 ;
2.江苏省如皋市常青农技站, 226535
Author(s):
Zhang Yanling1Pan Genxing1Chen Jin1Xie Tongbai2Ding Yaling2
1.College of Resources and Environment Sciences , Nanjing Agricultural University , Nanjing 210095 ;
2.Agricultural Technology Station of Changqing , Rugao Municipality , 226535
关键词:
低硒土壤; 大豆; 硒积累
Keywords:
Low -Se soils ; Soybean ; Se accumulation
分类号:
S 565.1
DOI:
10.11861/j.issn.1000-9841.2002.04.0263
文献标志码:
A
摘要:
通过大田和盆栽试验研究了低硒土壤中主栽大豆品种积累硒的品种差异并对其机理进行了初步探讨。结果表明, 无论施硒与不施硒, 不同大豆品种子粒对硒的积累均存在显著的差异。供试品种中, 通矮405 积累土壤硒的能力较强, 启东绿皮黄豆硒肥的肥效较高。盆栽试验结果表明, 两品种子粒积累硒的差异是由于植株对土壤有效硒利用率的不同造成的。在硒酸钠依时间和浓度的吸收动态试验中, 通矮405 幼苗含硒量均高于启东绿皮黄豆, 但硒从根部向地上部的运输则无差异。说明通矮405 植株对土壤溶液中Se6 +较强的吸收能力导致了其对低硒土壤中有效硒有较高的利用率, 是其子粒积累硒能力较强的根本原因。
Abstract:
Selenium uptake and accumulation by different soybean cultivars in low -Se soils were studied with both fieldand pot experiments .The results showed that significant difference of seed Se accumulation existed among soybean cultivarssupplied with or without selenite .Tong -ai 405 cultivar has higher Se sensitivity and can accumulate 4 times higherSe in seeds than Qidong green -skin cultivar , however , the latter has higher capability of utilizing fertilizer Se .Yet , thefindings with pot experiments support with field study results .Higher Se uptake by Tong -ai 405 roots of soil indigineousSe is responsible for its higher Se concentration in seeds .The further experiments with selenite uptake kinetics showedthat the difference of Se uptake by roots of the two cultivars in low -Se soils was mainly due to the difference of their abilityof selenate uptake .

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备注/Memo

基金项目:科技部973 项目(G1999011808 -3), 国家教委博士点基金项目(2000030713);江苏省科委项目(BE -99315)　

作者简介:张艳玲(1972-), 女, 博士生, 主要从事硒生物地球化学与作物硒营养研究。

更新日期/Last Update: 2016-12-30