[1]乔云发,韩晓增,苗淑杰.大豆利用难溶磷源基因型差异[J].大豆科学,2007,26(04):571-577.[doi:10.3969/j.issn.1000-9841.2007.04.023]
　QIAOYun-fa,HAN Xiao-Zeng,MIAO Shu-jie.Genotypic Variation in P Utilization of Soybean(Glycine max L.)Grown in Various Insoluble P Sources[J].Soybean Science,2007,26(04):571-577.[doi:10.3969/j.issn.1000-9841.2007.04.023]
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大豆利用难溶磷源基因型差异

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第26卷 期数: 2007年04期 页码: 571-577 栏目: 出版日期: 2007-08-25
Title:
Genotypic Variation in P Utilization of Soybean(Glycine max L.)Grown in Various Insoluble P Sources
文章编号:
1000-9841(2007)04-0571-07
作者:
乔云发1; 韩晓增1; 苗淑杰2
1中国科学院东北地理与农业生态研究所，哈尔滨 150081;
2东北农业大学资源与环境学院，哈尔滨 150030
Author(s):
QIAOYun-fa1; HAN Xiao-Zeng1; MIAO Shu-jie2
1Northeast Institute of Geography and Agrio-Ecology，CAS，Harbin 150081;
2College of Resource and Environment，Northeast Agricultural University，Harbin 150030
关键词:
基因型变化; 磷素利用; 难溶磷源; 大豆
Keywords:
Genotypic variation; P utilization; Insoluble P; Soybean
分类号:
S565.1
DOI:
10.3969/j.issn.1000-9841.2007.04.023
文献标志码:
A
摘要:
来源于不同pH土壤上的各种大豆基因型利用难溶性磷源有明显差异。采用分别代表着南方、西北和东北本地品种三种基因型大豆，研究它们生物量、磷素积累、分泌的有机酸、根际pH和磷素利用效率（PUE）的差异。三种基因型大豆都比较偏爱Al-P，然而，绥农10号和泥巴豆在利用Al-P时，生物量比Na-P分别少8.5%和9.4%，比Ca-P和Fe-P分别多5.3%和11.8%，6.4%和42.2%。新大豆1号利用Al-P时生物量比Na-P、Fe-P和Ca-P分别多1.4%、20.8%和40.8%。地上部、根系和根瘤含磷量变化范围分别在1.37~2.47 mg/g、1.39~3.04 mg/g 和3.20~4.73 mg/g。绥农10号、新大豆1号和泥巴豆最大总磷含量分别出现在Al-P、Fe-P和Fe-P条件下。泥巴豆根系分泌的有机酸表现出下面的顺序：草酸>乳酸>苹果酸；新大豆1号表现为：乳酸>苹果酸>丙二酸>草酸>柠檬酸；泥巴豆表现为：苹果酸>草酸>乳酸>柠檬酸>丙二酸。无论供给哪种形态磷源，根际pH变化范围为5.48~6.52。新大豆1号磷素利用效率比绥农10号和泥巴豆高，绥农10号、新大豆1号和泥巴豆最大磷素利用效率分别出现在Al-P、Al-P和Na-P源条件下。这些结果表明，不同基因型大豆生长和磷吸收对各种难溶磷源的反应不同，各基因型磷素利用差异与根系分泌物和根际pH有关。
Abstract:
The information on soybean genotypes originating from different pH soil utilized insoluble P sources was various.Three soybean genotypes representing typical native species were collected from south，western and northeast of China.Plant biomass，P accumulation，organic acid excretion，pH and PUE were analysed.Three genotypes all favoured in Al-P，however，Suinong 10 and Nibadou total biomass in Al.P was 8.5% and 9.4% less than Na-P，respectively，then 5.3% and 11.8%，6.4% and 42.2% more than Ca-P and Fe-P，respectively.For Xin soybean 1 total biomass was 1.4%，20.8% and 40.8% more than Na-P，Fe-P and Ca-P，respectively-P concentration ranged from 1.37 to 2.47 mg/g，1.39 to 3.04 mg/g and 3.20 to 4.73 mg/g in shoots，roots and nodules，respectively.The maximum total P concentration was Al-P，Fe-P and Fe-P in Suinong10，Xin soybean 1 and Nibadou，respectively.Irrespective of genotype，the amount of organic acid exuded followed the order L(-)-malic>Oxalic>L(+)-lactic>Malonic>Succinic>Citric.However，for Suinong 10 the order was Oxalic>L (+)-lactic>L(-)-malic，for Xin soybean 1 the order was L(+)-lactic>L(-)-malic > Malonic>Oxalic> Citric and for Nibadou the order was L(-)-malic>Oxalic>L(+)-lactic>Citric>Malonic-Solution pH ranged from 5.48 to 6.52.PUE (phosphorus use efficiency) in Xin soybean 1 was more than Suinong 10 and Nibadou，irrespective of P source.The maximum PUE was Al-P，Al-P and Na-P in Suinong 10，Xin soybean 1 and Nibadou.The results suggest that soybean genotypes differ in growth response and P uptake from insoluble P sources and genotypic variation in P acquisition was related to root exudation and pH.

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备注/Memo

基金项目：国家重点基础研究发展计划(No.2005CB121101 and 2003CCB001)；黑龙江省自然科学基金项目(No.C200615)

作者简介：乔云发（1976-），男，主要从事植物营养方面研究。
通讯作者：苗淑杰,E-mail:miaoshujie@126.com

更新日期/Last Update: 2014-10-20