1 research outputs found
Gibberellic and kaurenoic hybrid strigolactone mimics for seed germination of parasitic weeds
[Background] Parasitic weeds are widespread and cause significant losses in important crops. Their germination requires the detection of cropâderived molecules such as strigolactones. Strigolactone mimics are germinationâinducing molecules with the potential to apply a suicidal germination strategy for seed bank control of parasitic weeds.[Results] The Dâring, which is instrumental in the germination process of seeds of parasitic weeds, was attached to gibberellin (GA3) and kaurenoic acid as the scaffold. It was shown that indeed strigolactone mimics prepared from GA3 and kaurenoic acid are active as stimulants when a Dâring is present; some of the mimics are as active as GR24.[Conclusions] The starting molecules were plant hormones that had previous growthâregulating activity in other organisms and the products showed enhanced activity towards parasitic weeds. The information generated may contribute to a better understanding of the germination biochemistry of the weed species used. Further research is required in this area but it is clear that the results are promising. © 2017 Society of Chemical Industry.This research was supported by the Ministerio de EconomĂa y Competitividad (MINECO), Spain (Project AGL2013â42238âR). MFâA was supported by the European Union MarieâCurie FP7 COFUND People Programme, through the award of an AgreenSkills fellowship (under grant agreement n° PCOFUNDâGAâ2010â267196), with additional support from INRA Department SantĂ© des Plantes et Environnement Appel Ă projets scientifiques 2015 du DĂ©partement SPE, CatĂ©gorie BiocontrĂŽle.Peer reviewe