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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2014.08.011
|2 doi
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|a pubmed24n0805.xml
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|a (DE-627)NLM241649870
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|a (NLM)25194775
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|a (PII)S0981-9428(14)00258-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Zhang, Fengge
|e verfasserin
|4 aut
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|a Quantification and role of organic acids in cucumber root exudates in Trichoderma harzianum T-E5 colonization
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.10.2015
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2014 Elsevier Masson SAS. All rights reserved.
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|a The ability to colonize on plant roots is recognized as one of the most important characteristics of the beneficial fungi Trichoderma spp. The aim of this study is to prove that the utilization of organic acids is a major trait of Trichoderma harzianum T-E5 for colonization of cucumber roots. A series experiments in split-root hydroponic system and in vitro were designed to demonstrate the association between the utilization of organic acids and T-E5 colonization on cucumber roots. In the split-root hydroponic system, inoculation with T-E5 (T) significantly increased the biomass of cucumber plants compared with CK (non-inoculation with T-E5). The T-E5 hyphae densely covering the cucumber root surface were observed by scanning electron microscopy (SEM). Three organic acids (oxalic acid, malic acid and citric acid) were identified from both the CK and T treatments by HPLC and LC/ESI-MS procedures. The amounts of oxalic acid and malic acid in T were significantly higher than those in CK. All the organic acids exhibited different and significant stimulation effects on the mycelial growth and conidial germination of T-E5 in vitro. An additional hydroponic experiment demonstrated the positive effects of organic acids on the T-E5 colonization of cucumber roots. In conclusion, the present study revealed that certain organic acids could be used as nutritional sources for Trichoderma harzianum T-E5 to reinforce its population on cucumber roots
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Colonization
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|a HPLC
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|a Nutritional source
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|a Organic acids
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|a Split-root hydroponic system
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|a Acids, Acyclic
|2 NLM
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|a Meng, Xiaohui
|e verfasserin
|4 aut
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|a Yang, Xingming
|e verfasserin
|4 aut
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|a Ran, Wei
|e verfasserin
|4 aut
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| 700 |
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|a Shen, Qirong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 83(2014) vom: 15. Okt., Seite 250-7
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:83
|g year:2014
|g day:15
|g month:10
|g pages:250-7
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|u http://dx.doi.org/10.1016/j.plaphy.2014.08.011
|3 Volltext
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