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Terra Latinoamericana
versão On-line ISSN 2395-8030versão impressa ISSN 0187-5779
Resumo
REYES-PEREZ, Juan José et al. Potentialities of oligogalacturonides and chitosaccharides on plant rooting. Terra Latinoam [online]. 2021, vol.39, e846. Epub 05-Abr-2021. ISSN 2395-8030. https://doi.org/10.28940/terra.v39i0.846.
Oligogalacturonides and chitosaccharides are members of a new class of bioactive substances with plant activity known as oligosaccharins. The application of these substances has direct and indirect beneficial effects on plant rooting processes, which are discussed in this work. These substances have been considered second messengers of some classic plant hormones, such as auxins, cytokines and gibberellins, resulting in their much more specific activity in the different organs of plants. Their physicochemical and structural characteristics also have a significant influence on their biological activity and especially on rooting processes, both in vitro and in vivo. In our study, we discussed positive effects caused by the application of oligogalacturonides and chitosaccharides in the process of rooting, as well as indirect effects related with the increased interaction with symbiotic soil microorganisms such as rhizobacteria and arbuscular mycorrhizal fungi that improve root growth and function in plants.
Palavras-chave : growth; oligopectates; chitin; roots.