A - Human Necessities – 01 – N
Patent
A - Human Necessities
01
N
A01N 43/12 (2006.01) A01G 1/04 (2006.01) A01N 43/38 (2006.01) A01N 63/04 (2006.01)
Patent
CA 2555362
The invention relates to the identification of compounds, i.e. strigolactones, which are able to stimulate the growth and/or development of mychorrizal fungi with arbuscules (MA fungus). Said compounds are, for example, natural strigolactones such as strigol, alectrol, sorgolactone, orobanchol, or the synthetic analogs GR7, GR24, Nijmegen-1, demethylsorgolactone. The invention opens up new pathways for the development of a type of agriculture which is more respectful of the environment, particularly in that it enables the implementation, on a large or small scale, of advanced mychorrization techniques designed to increase the production of fungic inoculum, the use of MA fungi in soils or cultivation media and to intensify symbiotic interaction between said micro-organisms and cultivated plants.
L'invention repose sur l'identification de composés, les strigolactones, ayant la capacité de stimuler la croissance et/ou le développement des champignons mycorhiziens à arbuscules (champignons MA). Ces composés sont par exemple les strigolactones naturelles strigol, alectrol, sorgolactone, orobanchol, ou leurs analogues de synthèse GR7, GR24, Nijmegen-1, déméthylsorgolactone. L'invention ouvre ainsi de nouvelles voies vers le développement d'une agriculture plus respectueuse de l'environnement, en particulier en ce qu'elle permet la mise en oeuvre, à petite ou grande échelle, de techniques de mycorhization avancées visant à optimiser la production d'inoculum fongique, l'utilisation des champignons MA dans les sols ou supports de culture, et à intensifier l'interaction symbiotique entre ces micro-organismes et les plantes cultivées.
Becard Guillaume
Puech Virginie
Roux Christophe
Roy Sebastien
Sejalon-Delmas Nathalie
Centre National de La Recherche Scientifique (c.n.r.s.)
Mcfadden Fincham
Universite Paul Sabatier - Toulouse III
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