publication . Thesis . 2015

Nitrogen use efficiency in bread wheat (T. aestivum L.): breeding and gene discovery

Cormier, Fabien;
Open Access English
  • Published: 01 Jan 2015
  • Publisher: Université Blaise Pascal
  • Country: France
In a context of fertiliser reduction, breeding for enhanced nitrogen use efficiency in bread wheat is necessary. This PhD thesis resulting from private-public collaboration between the French National Institute for Agricultural Research and Biogemma aimed providing necessary tools. Analyses were conducted using a dataset of 225 commercial varieties genotyped with 24K SNP and tested in eight combinations of year, location, and nitrogen regimes. We showed that even if past selection increased nitrogen use efficiency at high and moderate nitrogen regimes, genetic progresses need to be accelerated and better balanced between traits. This could be achieved by mixing ...
free text keywords: F30 - Génétique et amélioration des plantes, F61 - Physiologie végétale : nutrition
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Thesis . 2015
Provider: Agritrop
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