0000000000739207
AUTHOR
Solène Mazeau
GRaSP project Genetics of Rhizobia Selection by Pea
Prod 2019-88aa; National audience; Because of their ability to fix nitrogen in symbiosis with soil bacteria, legumes such as peas have an important role to play in the development of a sustainable agriculture. However, in the field, biological nitrogen fixation (BNF) could be suboptimal as natural Rhizobium leguminosarum viciae (Rlv) populations are quantitatively and qualitatively heterogeneous, with strains varying in their competitiveness and efficiency of BNF [1,2]. There is a general agreement concerning the interest of Rlv inoculation for improving BNF and thus pea yield [3]. However, even when pea seeds are inoculated by efficient Rlv strains these can be outcompeted by indigenous rh…
TILLING resources in pea: a valuable tool for functional validation
Prod 2019-88t BAP GEAPSI INRA; National audience; Since 2004, two INRA teams (UMR Agroecology Dijon and IJBP, Versailles), both partners of PEAMUST, have created 3 EMS-induced mutant collections in the framework of European or French ANR projects. The genotypes chosen for these collections have specific agronomic traits according to the research subject. For example, the Terese rms3 and -rms4 branched genotypes (Rameau et al., 1997) are well suited to the study of shoot architecture in relation with strigolactone and the lines easy to grow and to backcross in glasshouse conditions. Caméor, an early cultivar with high seed protein content, is the reference genotype for the pea sequencing pro…