[1]王晓光 　曹敏建**　王 　伟 　刘 　晶 　裴鹤君 　邢 　洋 　闫洪奎.钾对大豆根系形态与生理特性的影响*[J].大豆科学,2005,24(02):126-129，134.[doi:10.11861/j.issn.1000-9841.2005.02.0126]
　Wang Xiaoguang Cao Minjian Wang Wei Liu Jing Pei HejunXing Yang Yan Hongkui.EFFECTS OF POTASSIUM CONCENTRATION IN THE SOIL ON THE MORPHOLOGICAL ANDPHYSIOLOGICAL CHARACTENRISTICS OF SOYBEAN ROOT[J].Soybean Science,2005,24(02):126-129，134.[doi:10.11861/j.issn.1000-9841.2005.02.0126]
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钾对大豆根系形态与生理特性的影响*

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第24卷 期数: 2005年02期 页码: 126-129，134 栏目: 出版日期: 2005-05-25
Title:
EFFECTS OF POTASSIUM CONCENTRATION IN THE SOIL ON THE MORPHOLOGICAL ANDPHYSIOLOGICAL CHARACTENRISTICS OF SOYBEAN ROOT
作者:
王晓光 　曹敏建**　王 　伟 　刘 　晶 　裴鹤君 　邢 　洋 　闫洪奎
(沈阳农业大学, 沈阳 110161)
Author(s):
Wang Xiaoguang 　Cao Minjian 　Wang Wei 　Liu Jing 　Pei Hejun　Xing Yang 　Yan Hongkui
(Shenyang Agricultural University , Shenyang 110161)
关键词:
耐低钾大豆 ; 根系; 形态特征; 生理特性
Keywords:
Soybean tolerant to low potassium level ; Root ; Morphological characteristic; Physiologicalcharacteristic
DOI:
10.11861/j.issn.1000-9841.2005.02.0126
文献标志码:
A
摘要:
研究了盆栽试验中钾素营养对不同耐低钾类型大豆根系形态和生理特性的影响。试验结果表明, 对 K+ 不敏感的大豆铁丰 31 号, 随着钾水平的下降 ,侧根长 、根干重、根系活跃吸收面积 、根系活力等根系形态和生理指标变化不明显。相反, 对 K+ 敏感的大豆铁 95068- 5 则随着钾水平的下降, 各指标变化明显。在低钾条件下, 对钾不敏感的铁丰 31 号根系各项指标都有利于高产的形成,可作为培育耐低钾大豆的亲本或直接用于低钾土壤的大豆生产。
Abstract:
Effects of potassium concentration in the soil on the morphological and physiological characteris-tics of soybean root were studied by taking soybean varieties sensitive differently to potassium as materialsin potted experiment. Results showed that for the variety Tiefeng 31 insensitive to potassium , its rootcharacteristics such as lateral root length , root dry weight , root active absorbing area and root activity were not affected obviously by the decreasing of potassium concentration ;but for the varietyTie 95068 - 5 sensitive to potassium , just the reverse was true. Under the condition of low potassium con-centration, the expressions of root characteristics in Tiefeng 31 were beneficial to forming high yield. SoTiefeng 31 can be used as parent in breeding program for varieties tolerant to low potassium level or direct-ly planted as available variety in the soil with low potassium concentration.

参考文献/References:

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备注/Memo

作者简介:王晓光(1970 -), 女, 讲师, 在读博士, 从事大豆生理教学和科研工作。　**通讯作者:沈阳农业大学农学院

更新日期/Last Update: 2017-01-08