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Frontiers of Agriculture in China

ISSN 1673-7334

ISSN 1673-744X(Online)

CN 11-5729/S

Front Agric Chin    2009, Vol. 3 Issue (1) : 13-15     DOI: 10.1007/s11703-009-0004-3
RESEARCH ARTICLE |
Correlation between specific fine root length and mycorrhizal colonization of maize in different soil types
Wenke LIU()
Environment and Sustainable Development in Agriculture, Key Lab for Agro-Environment & Climate Change, Ministry of Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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Abstract  

A pot experiment was conducted in a glasshouse to investigate the correlation between specific fine root length (SFRL) and root colonization (RC) of maize inoculated with six arbuscular mycorrhizal fungi (AMF) in three soil types. The results showed that six AMF associated with maize presented different abilities in RC and effects on SFRL. In addition, there was a significant correlation between SFRL and RC of arbuscular mycorrhizal maize in Beijing soil (Cinnamon soil), but no significant correlation in Hubei soil (Brunisolic soil) and Guangdong soil (Red soil). It is concluded that mycorrhizal colonization decreased the SFRL of maize, and the correlation between SFRL and RC of mycorrhizal maize depended on soil type.

Keywords specific fine root length      root colonization      correlation      soil type     
Corresponding Authors: LIU Wenke,Email:liuwke@163.com   
Issue Date: 05 March 2009
URL:  
http://academic.hep.com.cn/fag/EN/10.1007/s11703-009-0004-3     OR     http://academic.hep.com.cn/fag/EN/Y2009/V3/I1/13
BEG numberisolated regionspeciessoil pH of isolated siteisolated agency
BEG141FranceG. intraradices7.6
BEG150GuangdongG. claroideum/luteum3.9Hong Kong Polytechnic Univ.
Tab.1  Information about AMF used in the experiment
isolateBeijing soilHubei soilGuangdong soil
BEG14144.0b30.8ab21.2a
BEG1506.8d7.8c8.6d
BEG15134.6c27.6ab19.7ab
BEG16755.6a25.8b15.7bc
BEG16833.0c24.1b20.8a
BEG22131.6c36.5a12.5cd
Tab.2  RC of mycorrhizal maize in three soils (%)
isolateBeijing soilHubei soilGuangdong soil
BEG14145.3d86.6bc112.2bc
BEG150176.2a126.9a179.3a
BEG15193.0b129.5a178.8a
BEG16746.3d64.6c103.0c
BEG16868.3c107.4ab125.7bc
BEG22179.5bc91.7bc135.4b
Tab.3  SFRL of mycorrhizal maize on three soils (m·g DW)
SFRLRC
Beijing soilHubei soilGuangdong soil
Beijing soil0.936**
Hubei soil0.49
Guangdong soil0.40
Tab.4  Correlations between SFRL and root colonization of mycorrhizal maize on three soils (=6)
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