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Characterization and dynamics of seed-associated microbiome in weed soil seed-bank

Project leader

Jevgenija Ņečajeva

Team of project

Viktorija Zagorska
Maksims Fiļipovičs
Inta Jakobija

Duration

2021 - 2023

Research focus

2. Preservation of biological diversity in agro- and forest biocenoses, ecosystem protection and services

Source of funding

National research programs

Project partners

Latvian Biomedical Research and Study Centre (BMC)

External expert from LU - Vizma Nikolajeva

External expert from LU -Māris Seņkovs

External expert from LU -Anete Borodušķe

Description of project

The aim of research 
Characterization and dynamics of seed-associated microbiome in weed soil seed-bank

The tasks of project: 
 

  1. To determine the persistence of seeds in soil and to characterize seed properties, soil conditions and microbiological factors that influence the rate of seed decay a seed burial experiment will be established in two different locations
  2. To collect seeds in three years in different sites, to bury and exhume at intervals to test seed viability and germination
  3. To identify taxonomic profiles of bacterial and fungal species associated with the buried seeds using Next Generation Sequencing technology
  4. To test the ability of the seeds with different characteristics to withstand seed pathogens in laboratory conditions

 

Results

Epiphytic and Endophytic fungi colonizing seeds of two Poaceae weed species and Fusarium spp. seed degradation potential in vitro / Jevgenija Ņečajeva, Anete Borodušķe, Vizma Nikolajeva, Māris Seņkovs, Ineta Kalniņa, Ance Roga, Edmunds Skinderskis, Dāvids Fridmanis // Microorganisms. Vol. 11(1) (2023), article number 184. https://doi.org/10.3390/microorganisms11010184

Characterisation and dynamics of the fungal communities of Avena fatua and Echinochloa crus-galli seeds in soil seed bank / Jevgenija Ņečajeva, Anete Borodušķe, Vizma Nikolajeva, Māris Seņkovs, Maksims Fiļipovičs, Inta Jakobija, Ineta Kalniņa, Ance Roga, Edmunds Skinderskis, Dita Gudrā, Dāvids Fridmanis // Weed Research. Nr. 64(4) (2024), p.310-320. https://doi.org/10.1111/wre.12651

 

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