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Which soils are comfortable for oilseed rape seeds (Brassica napus) to survive?

Author

Listed:
  • S. Gruber

    (Institute of Crop Science, Agronomy (340a), University of Hohenheim, Stuttgart, Germany)

  • E.A. Weber

    (Institute of Crop Science, Agronomy (340a), University of Hohenheim, Stuttgart, Germany)

  • W. Claupein

    (Institute of Crop Science, Agronomy (340a), University of Hohenheim, Stuttgart, Germany)

Abstract

The study should reveal the effects of soil texture and of seed characteristics of oilseed rape (Brassica napus L.) on seed survival in the soil by a burial experiment. Seeds of 58 conventional and new trait accessions (genetically modified and/or with altered seed ingredients) were buried for six months in sandy loam (SL), clay (c) or silty clay loam (SICL) in the seasons 2008/2009 and 2009/2010 in Germany. Between 84-93% (2008/2009) and 64-87% (2009/2010) of the conventional seeds survived in the soil, and so did 41-67% and 8-44% of the new trait seeds. Significantly more seeds were found in C and SICL compared to SL. Seed survival also significantly depended on the genotype, with high and low seed survival in both conventional and new trait accessions. Seed survival rates are probably linked with moisture and oxygen provided by different soils. As soils with good water storage conditions seem to have a higher probability for oilseed rape seeds from harvest losses to survive, other measures such as growing low dormancy varieties and proper soil tillage are especially relevant to avoid volunteers on these soils.

Suggested Citation

  • S. Gruber & E.A. Weber & W. Claupein, 2014. "Which soils are comfortable for oilseed rape seeds (Brassica napus) to survive?," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(6), pages 280-284.
    • Handle: RePEc:caa:jnlpse:v:60:y:2014:i:6:id:155-2014-pse
    DOI: 10.17221/155/2014-PSE
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