[1]敖雪,谢甫绨,张惠君,等.磷素处理对不同磷效率基因型大豆根系性状的影响[J].大豆科学,2008,27(05):787-791.[doi:10.11861/j.issn.1000-9841.2008.05.0787]
　AO Xue,XIE Fu-ti,ZHANG Hui-jun,et al.Effect of Phosphorus on Root Traits of Soybean Cultivars with Different Phosphorus Efficiencies[J].Soybean Science,2008,27(05):787-791.[doi:10.11861/j.issn.1000-9841.2008.05.0787]
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磷素处理对不同磷效率基因型大豆根系性状的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第27卷 期数: 2008年05期 页码: 787-791 栏目: 出版日期: 2008-10-25
Title:
Effect of Phosphorus on Root Traits of Soybean Cultivars with Different Phosphorus Efficiencies
文章编号:
1000-9841(2008)05-0787-05
作者:
敖雪; 谢甫绨; 张惠君; 刘婧琦; 王海英
沈阳农业大学农学院，辽宁 沈阳 110161
Author(s):
AO Xue; XIE Fu-ti; ZHANG Hui-jun; LIU Jing-qi; WANG Hai-ying
Agronomy College of Shenyang Agricultural University，Shenyang 110161，Liaoning，China
关键词:
大豆; 磷; 根系性状
Keywords:
Soybean; Phosphorus; Root traits
分类号:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.05.0787
文献标志码:
A
摘要:
大豆的耐低磷能力与根系性状密切相关。以磷高效基因型大豆锦豆33和磷低效基因型大豆铁丰3号为试材，采用沙培的方法，设5个磷浓度，研究了不同生育时期磷效率基因型大豆的主根长、根冠比、根体积、根系活性和根系比表面积对磷素处理的反应。结果表明：不同生育时期磷效率基因型大豆根系性状对磷浓度的反应比较复杂。幼苗期，不同磷浓度处理下主根长度和根冠比磷高效基因型品种均显著高于磷低效基因型品种；在有些磷浓度处理下根体积、根系活力和根系比表面积等指标基因型间差异达到显著水平，指标值的大小随磷浓度的变化没有一致的规律性。分枝期，不同磷效率基因型品种间和不同磷浓度处理间主根长度都没有显著差异。开花期，不同磷浓度处理下主根长度和根冠比存在显著的基因型间差异，表现为磷高效品种显著大于磷低效品种。结荚期，根系活力和根体积在不同磷浓度处理下均表现出显著的基因型间差异。在各磷浓度下，磷高效品种的根系活力都显著大于磷低效品种的。在0.5、1.0、1.5和2 mmol.L-1的磷浓度下，磷高效品种的根体积显著大于磷低效品种。
Abstract:
The ability of soybean tolerant to low-phosphorus is closely related to root traits.A sand culture experiment was carried out to study the effect of phosphorus levels on taproot length，root／shoot ratio，root volume，root activity and specific root area at different growth stages of Jindou 33 and Tiefeng 3 with different phosphorus efficiencies.Five concentrations of phosphorus in the experiment was designed.Results showed that the relationship between root traits of soybean cultivars with different phosphorus efficiencies at different growth stages and phosphorus levels was very complicated.At seedling stage，the taproot length and root／shoot ratio of phosphorus efficient genotype species were significantly higher than that of phosphorus inefficient genotype under different phosphorus levels；root volume，root activity and specific root area had a significant response to certain phosphorus levels between genotypes，and with the changes of phosphorus levels,these certeria changed non-uniformly.At branching stage，there was no significant response for taproot length in different genotypes with different phosphorus efficiency and under the different phosphorus level treatments.At bloomming stage，the taproot length and root／shoot ratio of phosphorus efficient genotype species were significantly higher than that of phosphorus inefficient genotype under different phosphorus levels.At podding stage，roots activity and root volume of phosphorus efficient genotype were significantly higher than that of phosphorus inefficient genotype under 0.5，1.0，1.5 and 2.0 mmol.L-1phosphorus levels.

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备注/Memo

基金项目：辽宁省科技厅科技基金资助项目（2006201008）；辽宁省教育厅创新团队资助项目（2006T116）。

作者简介：敖雪（1979-），女，博士研究生，研究方向为大豆耐低磷育种。E-mail：cymkaheihei@yahoo.com.cn。
通讯作者：谢甫绨，教授，博士生导师。E-mail：snsoybean@yahoo.com.cn。

更新日期/Last Update: 2014-10-06