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Spatiotemporal patterns of enzyme activities in the rhizosphere : effects of plant growth and root morphology

Title data

Ma, Xiaomin ; Liu, Yuan ; Zarebanadkouki, Mohsen ; Razavi, Bahar S. ; Blagodatskaya, Evgenia ; Yakov, Kuzyakov:
Spatiotemporal patterns of enzyme activities in the rhizosphere : effects of plant growth and root morphology.
In: Biology and Fertility of Soils. Vol. 54 (2018) Issue 7 . - pp. 819-828.
ISSN 0178-2762
DOI: https://doi.org/10.1007/s00374-018-1305-6

Abstract in another language

Lentil and lupine, having contrasting root morphologies, were chosen to investigate the effects of plant growth and root morphology on the spatial distribution of β-glucosidase, cellobiohydrolase, leucine aminopeptidase, and acid phosphomonoesterase activities. Lentil kept as vegetative growth and the rhizosphere extent was constant, while the enzyme activities at the root surface kept increasing. Lupine entered reproductive growth in the seventh week after planting, the rhizosphere extent was broader in the eighth week than in the first and fourth weeks. However, enzyme activity at the root surface of lupine decreased by 10–50% in comparison to the preceding vegetative stage (first and fourth weeks). Lupine lateral roots accounted for 1.5–3.5 times more rhizosphere volume per root length than taproots, with 6–14-fold higher enzyme activity per root surface area. Therefore, we conclude that plant growth and root morphology influenced enzyme activity and shape the rhizosphere as follows: the enzyme activity in the rhizosphere increased with plant growth until reproductive stage; lateral roots have much larger rhizosphere volume per unit root length and higher enzyme activity per root surface area than the taproots.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER150037
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Physics
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Physics > Chair Soil Physics - Univ.-Prof. Dr. Andrea Carminati
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 03 Apr 2019 06:16
Last Modified: 03 Apr 2019 06:16
URI: https://eref.uni-bayreuth.de/id/eprint/48218