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Soybean Nodulation Response to Cropping Interval and Inoculation in European Cropping Systems

Halwani, Mosab and Reckling, Moritz and Egamberdieva, Dilfuza and Omari, Richard Ansong and Bellingrath-Kimura, Sonoko D. and Bachinger, Johann and Bloch, Ralf (2021). Soybean Nodulation Response to Cropping Interval and Inoculation in European Cropping Systems. Frontiers in Plant Science. 12 , 638452
[Research article]

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Abstract

To support the adaption of soybean [Glycine max (L) Merrill] cultivation across Central Europe, the availability of compatible soybean nodulating Bradyrhizobia (SNB) is essential. Little is known about the symbiotic potential of indigenous SNB in Central Europe and the interaction with an SNB inoculum from commercial products. The objective of this study was to quantify the capacity of indigenous and inoculated SNB strains on the symbiotic performance of soybean in a pot experiment, using soils with and without soybean history. Under controlled conditions in a growth chamber, the study focused on two main factors: a soybean cropping interval (time since the last soybean cultivation; SCI) and inoculation with commercial Bradyrhizobia strains. Comparing the two types of soil, without soybean history and with 1-4 years SCI, we found out that plants grown in soil with soybean history and without inoculation had significantly more root nodules and higher nitrogen content in the plant tissue. These parameters, along with the leghemoglobin content, were found to be a variable among soils with 1-4 years SCI and did not show a trend over the years. Inoculation in soil without soybean history showed a significant increase in a nodulation rate, leghemoglobin content, and soybean tissue nitrogen concentration. The study found that response to inoculation varied significantly as per locations in soil with previous soybean cultivation history. An inoculated soybean grown on loamy sandy soils from the location Muncheberg had significantly more nodules as well as higher green tissue nitrogen concentration compared with non-inoculated plants. No significant improvement in a nodulation rate and tissue nitrogen concentration was observed for an inoculated soybean grown on loamy sandy soils from the location Fehrow. These results suggest that introduced SNB strains remained viable in the soil and were still symbiotically competent for up to 4 years after soybean cultivation. However, the symbiotic performance of the SNB remaining in the soils was not sufficient in all cases and makes inoculation with commercial products necessary. The SNB strains found in the soil of Central Europe could also be promising candidates for the development of inoculants and already represent a contribution to the successful cultivation of soybeans in Central Europe.

Authors/Creators:Halwani, Mosab and Reckling, Moritz and Egamberdieva, Dilfuza and Omari, Richard Ansong and Bellingrath-Kimura, Sonoko D. and Bachinger, Johann and Bloch, Ralf
Title:Soybean Nodulation Response to Cropping Interval and Inoculation in European Cropping Systems
Series Name/Journal:Frontiers in Plant Science
Year of publishing :2021
Volume:12
Article number:638452
Number of Pages:9
Publisher:FRONTIERS MEDIA SA
ISSN:1664-462X
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
Keywords:soybean, Bradyrhizobia, cropping interval, inoculation, nodulation, Central Europe
URN:NBN:urn:nbn:se:slu:epsilon-p-112700
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112700
Additional ID:
Type of IDID
DOI10.3389/fpls.2021.638452
Web of Science (WoS)000662956000001
ID Code:25477
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Crop Production Ecology
Deposited By: SLUpub Connector
Deposited On:21 Sep 2021 12:25
Metadata Last Modified:21 Sep 2021 12:31

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