Fulvic acid increases forage legume growth inducing preferential up-regulation of nodulation and signalling-related genes

© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 71(2020), 18 vom: 19. Sept., Seite 5689-5704
1. Verfasser: Capstaff, Nicola M (VerfasserIn)
Weitere Verfasser: Morrison, Freddie, Cheema, Jitender, Brett, Paul, Hill, Lionel, Muñoz-García, Juan C, Khimyak, Yaroslav Z, Domoney, Claire, Miller, Anthony J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Medicago sativa Forage crops fulvic acid humic substances nodulation transcriptomic analysis yield Benzopyrans XII14C5FXV
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520 |a The use of potential biostimulants is of broad interest in plant science for improving yields. The application of a humic derivative called fulvic acid (FA) may improve forage crop production. FA is an uncharacterized mixture of chemicals and, although it has been reported to increase growth parameters in many species including legumes, its mode of action remains unclear. Previous studies of the action of FA have lacked appropriate controls, and few have included field trials. Here we report yield increases due to FA application in three European Medicago sativa cultivars, in studies which include the appropriate nutritional controls which hitherto have not been used. No significant growth stimulation was seen after FA treatment in grass species in this study at the treatment rate tested. Direct application to bacteria increased Rhizobium growth and, in M. sativa trials, root nodulation was stimulated. RNA transcriptional analysis of FA-treated plants revealed up-regulation of many important early nodulation signalling genes after only 3 d. Experiments in plate, glasshouse, and field environments showed yield increases, providing substantial evidence for the use of FA to benefit M. sativa forage production 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Medicago sativa 
650 4 |a Forage crops 
650 4 |a fulvic acid 
650 4 |a humic substances 
650 4 |a nodulation 
650 4 |a transcriptomic analysis 
650 4 |a yield 
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650 7 |a fulvic acid  |2 NLM 
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700 1 |a Morrison, Freddie  |e verfasserin  |4 aut 
700 1 |a Cheema, Jitender  |e verfasserin  |4 aut 
700 1 |a Brett, Paul  |e verfasserin  |4 aut 
700 1 |a Hill, Lionel  |e verfasserin  |4 aut 
700 1 |a Muñoz-García, Juan C  |e verfasserin  |4 aut 
700 1 |a Khimyak, Yaroslav Z  |e verfasserin  |4 aut 
700 1 |a Domoney, Claire  |e verfasserin  |4 aut 
700 1 |a Miller, Anthony J  |e verfasserin  |4 aut 
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