Towards sustainable maize production: Glyphosate detoxification by Azospirillum sp. and Pseudomonas sp.
- Travaglia, Claudia Noemi
- Masciarelli, Oscar Alberto
- Fortuna, Julieta
- Marchetti, Gisela
- Cardozo, Paula Gabriela
- Lucero, Martín
- Zorza, Edgardo
- Luna, Maria Virginia
- Reinoso, Herminda Elmira
DOIAbstract
To contribute to more sustainable crop production, this study evaluated the capacity of Azospirillum sp. and Pseudomonas sp. to degrade glyphosate residues both invitro and invivo in maize plants (Zea mays L.) at different growth stages. Invitro, both bacteria tolerated glyphosate and were capable of using it as a carbon source. In bioassays, inoculation with both bacteria improved germination and root emergence, primary root growth, root hair development and coleoptile growth in seeds previously treated with the herbicide. Foliar inoculation with Azospirillum sp. and Pseudomonas sp. in glyphosate-treated plants improved root and shoot biomass and increased foliar area, photosynthetic pigments and phytohormone content as well, thus increasi...
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