NDLI: Characterization of root architecture in an applied core collection for phosphorus efficiency of soybean germplasm

Content Provider	Springer Nature Link
Author	Zhao, Jing Fu, Jiabing Liao, Hong He, Yong Nian, Hai Hu, Yueming Qiu, Linjuan Dong, Yinsan Yan, Xiaolong
Copyright Year	2004
Abstract	In the present study, we constructed an “applied core collection” for phosphorus (P) efficiency of soybean germplasm using a GIS-assisted approach. Systematic characterization and comparative analysis of root architecture were conducted to evaluate the relationship between root architecture and P efficiency and its possible evolutionary pattern. Our results found that: i) root architecture was closely related to P efficiency in soybean. Shallow root architecture had better spatial configuration in the P-rich cultivated soil layer hence higher P efficiency and soybean yield; ii) there was a possible co-evolutionary pattern among shoot type, root architecture and P efficiency. The bush cultivated soybean had a shallow root architecture and high P efficiency, the climbing wild soybean had a deep root architecture and low P efficiency, while the root architecture and P efficiency of semi-wild soybean were intermediate between cultivated and wild soybean; iii) P availability regulated root architecture. Soybean roots became shallower with P addition to the topsoil, indicating that the co-evolutionary relationship between root architecture and P efficiency might be attributed to the long-term effects of topsoil fertilization. Our results could provide important theoretical basis for improving soybean root traits and P efficiency.
Starting Page	1611
Ending Page	1620
Page Count	10
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	49
Issue Number	15
e-ISSN	18619541
Language	English
Publisher	Science in China Press
Publisher Date	2004-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	soybean applied core collection root architecture P efficiency Science Life Sciences Physics Chemistry/Food Science Earth Sciences Engineering
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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