Organic compounds in root exudates of Miscanthus × Giganteus greef et deu and limitation of microorganisms in its rhizosphere by nutrients
Open accessAbstract
CĂlem tĂŠto prĂĄce bylo stanovenĂ vybranĂ˝ch nĂzkomolekulĂĄrnĂch organickĂ˝ch lĂĄtek v koĹenovĂ˝ch exsudĂĄtech rostliny Miscanthus Ă Giganteus a stanovenĂ limitace aktivity mikroorganismĹŻ v rhizosfĂŠrnĂ pĹŻdÄ tĂŠto rostliny minerĂĄlnĂmi Ĺživinami. KoĹenovĂŠ exsudĂĄty M. Ă Giganteus byly sbĂrĂĄny v 0,5 mM CaCl2, pĹiÄemĹž rostliny v rĹŻznĂ˝ch fĂĄzĂch rĹŻstu byly pouĹžity k danĂ˝m ĂşÄelĹŻm. Z jednotlivĂ˝ch cukrĹŻ byly v koĹenovĂ˝ch exsudĂĄtech M. Ă Giganteus stanoveny glukĂłza a sacharĂłza (rostliny v pozdnÄ letnĂ fĂĄzi rĹŻstu); organickĂŠ kyseliny determinovanĂŠ v koĹenovĂ˝ch exsudĂĄtech mladĂ˝ch (27 dnĂ) rostlin byly pĹĂtomny v nĂĄsledujĂcĂm poĹadĂ koncentracĂ: kyselina jantarovĂĄ > propionovĂĄ > citronovĂĄ > vinnĂĄ > jableÄnĂĄ > ĹĄĹĽavelovĂĄ > askorbovĂĄ > octovĂĄ > fumarovĂĄ. Respirace mikroorganismĹŻ v rhizosfĂŠĹe byla limitovĂĄna pĹĂtomnostĂ minerĂĄlnĂch Ĺživin. ZvýťenĂ respirace rhizosfĂŠrnĂch mikroorganismĹŻ po pĹĂdavku nejvyĹĄĹĄĂch koncentracĂ minerĂĄlnĂch Ĺživin (500 μg / g suĹĄiny pĹŻdy) se projevilo v nĂĄsledujĂcĂm poĹadĂ : nitrĂĄty > vĂĄpnĂk > draslĂk > amonnĂ˝ iont, a to o 165, 99, 52 and 31 % ve srovnĂĄni s rhizosfĂŠrnĂ pĹŻdou bez oĹĄetĹenĂ danĂ˝mi elementy. Vzhledem k absenci poznatkĹŻ o limitaci mikroorganismĹŻ rhizosfĂŠrnĂ pĹŻdy minerĂĄlnĂmi Ĺživinami je tĹeba dĹŻkladnÄjĹĄĂho a rozsĂĄhlejĹĄĂho vĂ˝zkumu pro pochopenĂ vĂ˝znamu minerĂĄlnĂch Ĺživin v mikrobiĂĄlnĂ aktivitÄ rhizosfĂŠry.
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Hromadko's data were an order of magnitude larger than those presented by Kaňova and seem unrealistically large.
“Hromadko’s data [96] were an order of magnitude larger than those presented by Kaňova [97] which seems unrealistically large.”
From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [97]
Based on hourly flux measurements, carbon exudate inputs from Miscanthus could be up to 0.5 g g−1 living root produced annually.
“Based on their hourly flux measurements, C exudate inputs from Miscanthus could be up to 0.5 g g−1 living root produced annually.”
From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [97]
Only two papers have been published with root exudate data from Miscanthus.
“Only two papers have been published with root exudate data from Miscanthus [96, 97].”
From Carbon Sequestration by Perennial Energy Crops: Is the Jury Still Out? (2015) · cites this paper as [97]
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- Authors
- Kaňová, H., Carre, J., Vranová, V., Rejšek, K., & Formánek, P.
- Affiliations
- Mendel University in Brno (CZ)
- Centre National de la Recherche Scientifique (FR)
- Venue
- Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
- Publisher
- Mendel University Press
- Published
- 2014-08-06
- Volume
- 58
- Issue
- 5
- Pages
- 203-208
- ISSN
- 0524-7403 (ISSN-L)
- 1211-8516
- 2464-8310
- OpenAlex
- W2035533368
- Cited by
- 16
- References
- 34
- Citations by year
- 2026: 1 · 2025: 4 · 2023: 1 · 2021: 1 · 2017: 1 · 2016: 1 · 2015: 2 · 2014: 3 · 2013: 2
- FWCI
- 2.72
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- Locations
- Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis (publishedVersion, cc-by-nc-nd)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant-Microbe Interactions and Immunity
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Allelopathy and phytotoxic interactions
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant nutrient uptake and metabolism
- Keywords
- Miscanthus × giganteus, root exudates, rhizosphere, microbial respiration, organic acids, sugar, glucose, sucrose, plant growth stages, energy crops, soil microbes, nutrient availability, humic substances, humic acid
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