Resumo

RODRIGUEZ-PEDROSO, Aida Tania et al. Chitosan and its derivatives, natural polymers with potential for control of Pyriculariaoryzae (Cav.). cultrop [online]. 2021, vol.42, n.4  Epub 30-Dez-2021. ISSN 1819-4087.

Chitosan and its derivatives are natural compounds that have potential in agriculture with respect to controlling one of rice diseases; blast (Pyriculariaoryzae) of great importance worldwide. In general, this disease is controlled with synthetic fungicides belonging to the benzimidazole group; however, their use has generated adverse results to the environment together with the low sensitivity of the fungus to them. This article provides a review of published research on chitosan, its physicochemical characteristics, general information on P. oryzaefungus, the chitosan fungicidal action and its derivatives in research carried out in vitro and in situ on this fungus and the possible mechanisms of action of this compound.

Palavras-chave : antimicrobials; biocompounds; action mechanisms; Magnaporthe; Oryzasativa.

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