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Quitosano y sus derivados, polímeros naturales con potencial para controlar a Pyricularia oryzae (Cav.)


 
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Cultivos Tropicales

 ISSN 1819-4087

RODRIGUEZ-PEDROSO, Aida Tania et al. Quitosano y sus derivados, polímeros naturales con potencial para controlar a Pyricularia oryzae (Cav.). []. , 42, 4   30--2021. ISSN 1819-4087.

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El quitosano y sus derivados son compuestos naturales que tienen potencial en la agricultura con respecto a controlar una de las enfermedades del arroz; la piriculariosis (Pyricularia oryzae) de gran importancia a nivel mundial. En general, esta enfermedad se controla con fungicidas sintéticos pertenecientes al grupo de los benzimidazoles; sin embargo, su uso ha generado resultados adversos al medio ambiente aunado a la poca sensibilidad del hongo hacia ellos. En este artículo, se proporciona una revisión de investigaciones publicadas acerca del quitosano, sus características fisicoquímicas, generalidades del hongo P. oryzae, la acción fungicida del quitosano y sus derivados en investigaciones llevadas a cabo in vitro e in situ sobre este hongo y, en general, los posibles mecanismos de acción de este compuesto.

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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.

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