2020
DOI: 10.15517/rbt.v68i2.37340
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Alteraciones histopatológicas causadas por la roya Puccinia nakanishikii (Pucciniales: Pucciniaceae) en plantas de Cymbopogon citratus (Poaceae)

Abstract: Introducción: Los aspectos histopatológicos e histoquímicos relacionados con el ataque de royas en plantas, así como su relación con los diferentes estados espóricos, son escasos en la literatura científica. Objetivos: describir y analizar los aspectos histopatológicos e histoquímicos en Cymbopogon citratus y su relación con los diferentes estados espóricos de la roya Puccinia nakanishikii. Métodos: durante abril y agosto 2013 se recolectaron hojas sanas e infectadas con Puccinia nakanishikii en la escarpa nor… Show more

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“…The epidermal and mesophyll cells of infected R. occidentalis and R. niveus accumulated polyphenols that may vastly hamper the development of haustoria. The accumulation of phenolic compounds as a response to pathogen infection has been confirmed for several pathosystems [ 19 , 20 , 24 , 69 , 81 ]. Their role is not only associated with the chemical activity but also with the structural function.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The epidermal and mesophyll cells of infected R. occidentalis and R. niveus accumulated polyphenols that may vastly hamper the development of haustoria. The accumulation of phenolic compounds as a response to pathogen infection has been confirmed for several pathosystems [ 19 , 20 , 24 , 69 , 81 ]. Their role is not only associated with the chemical activity but also with the structural function.…”
Section: Discussionmentioning
confidence: 99%
“…Their role is not only associated with the chemical activity but also with the structural function. Polyphenols added to the cell wall can strengthen the structure and make the formation of haustoria difficult [ 81 ]. Plants also produce lignin-like compounds by activating the phenylpropanoid pathway in response to infection [ 70 , 72 , 82 ].…”
Section: Discussionmentioning
confidence: 99%