Genetic basis of nitrogen use efficiency and yield stability across environments in winter rapeseed.

Abstract (Expand)

Nitrogen use efficiency is an important breeding trait that can be modified to improve the sustainability of many crop species used in agriculture. Rapeseed is a major oil crop with low nitrogen use … efficiency, making its production highly dependent on nitrogen input. This complex trait is suspected to be sensitive to genotype × environment interactions, especially genotype × nitrogen interactions. Therefore, phenotyping diverse rapeseed populations under a dense network of trials is a powerful approach to study nitrogen use efficiency in this crop. The present study aimed to determine the quantitative trait loci (QTL) associated with yield in winter oilseed rape and to assess the stability of these regions under contrasting nitrogen conditions for the purpose of increasing nitrogen use efficiency.

Authors: Anne-Sophie Bouchet, Anne Laperche, Christine Bissuel-Belaygue, Cécile Baron, Jérôme Morice, Mathieu Rousseau-Gueutin, Jean-Eric Dheu, Pierre George, Xavier Pinochet, Thomas Foubert, Olivier Maes, Damien Dugué, Florent Guinot, Nathalie Nesi

Date Published: 16th Sep 2016

Publication Type: Not specified

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