Journée de présentation sur le recyclage et l’impact des produits résiduaires organiques au champs (Recherche set expérimentations du dispositif QualiAgro). Champs de maïs sur le site expérimental de Feucherolles (78)..
A common strategy to create high-yielding plants is hybrid breeding - crossing two different inbred lines to obtain characteristics superior to each parent. However, getting the inbred lines in the first place can be a hassle. Inbred lines consist of genetically uniform individuals and are created through numerous generations of self-crossing. In maize, the use of so-called 'haploid inducers' provides a short cut to this cumbersome procedure, allowing to produce inbred lines in just one generation. A study by Laurine Gilles and colleagues, published today in The EMBO Journal , sheds light on the genetics behind haploid induction. 'Knowing the molecular identity of haploid induction represents an important breakthrough to fully understand the fertilization process in plants, and hopefully will allow to translate this breeding tool to other species,' said the study's senior author Dr. Thomas Widiez, an INRA (Institut National de la Recherche Agronomique) researcher at the École Normale Supérieure in Lyon, France. Haploid inducers were first discovered in the 1950s.
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