Relationships between take-all, soil conduciveness to the disease, populations of fluorescent pseudomonads and nitrogen fertilizers

@article{Sarniguet1992RelationshipsBT,
  title={Relationships between take-all, soil conduciveness to the disease, populations of fluorescent pseudomonads and nitrogen fertilizers},
  author={Alain Sarniguet and Philippe Lucas and Michael W. Lucas},
  journal={Plant and Soil},
  year={1992},
  volume={145},
  pages={17-27}
}
Take-all of wheat, caused by Gaeumannomyces graminis var tritici (Ggt), is reduced by ammoniacal fertilizers as compared to nitrate sources. This influence of nitrogen on the disease is only observed on nodal roots at flowering. But soil conduciveness to take-all, as measured in a soil bioassay, is modified earlier. Forty days after nitrogen application at early tillering, the NH4-treated soil became less conducive than the NO3-treated one. When nitrogen applications are done at sowing and at… CONTINUE READING

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