2020
DOI: 10.1590/0001-3765202020180472
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Structures related to resprouting potential of two Myrtaceae species from Cerrado: morpho-anatomical and chemical studies

Abstract: Resprouting is a functional trait in species which occur in fi re-prone ecosystems. These plants can resprout from aerial buds and by recruiting belowground bud bank using carbohydrates allocated in roots as resource. In this study, we present morpho-anatomical features and chemical composition related to the resprouting potential of two species of Eugenia L. in an area of the Cerrado (Brazilian savanna) under regeneration, after the clear-cutting of Pinus sp. with the later burning of pine needles layer. We u… Show more

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Cited by 10 publications
(32 citation statements)
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References 67 publications
(50 reference statements)
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“…This suggests that these compounds are involved in the detoxification mechanisms that enhance the resprouting protection and post-fire survival [28]. Additionally, these compounds play an important role in bud protection due to their antioxidant activity [76]. Even though we did not find a significant effect of both total chlorophylls and chlorophyll b on resprouting capacity, we found a significant effect of chlorophyll a on this capacity, which suggests a remarkable need to recover the photosynthesis efficiency in the post-fire environment.…”
Section: Biochemical Compounds Affecting the Resprouting Capacitymentioning
confidence: 99%
“…This suggests that these compounds are involved in the detoxification mechanisms that enhance the resprouting protection and post-fire survival [28]. Additionally, these compounds play an important role in bud protection due to their antioxidant activity [76]. Even though we did not find a significant effect of both total chlorophylls and chlorophyll b on resprouting capacity, we found a significant effect of chlorophyll a on this capacity, which suggests a remarkable need to recover the photosynthesis efficiency in the post-fire environment.…”
Section: Biochemical Compounds Affecting the Resprouting Capacitymentioning
confidence: 99%
“…Nos rizomas também podem ser acumulados compostos de proteção contra herbivoria e patógenos, como os compostos fenólicos, os quais estão associados ao mecanismo de adaptação e resistência das plantas ao ambiente (Jagiello et al, 2019;Kubalt, 2016;Lattanzio et al, 2006;Silva et al, 2020 Dentre os diversos órgãos subterrâneos, cada órgão apresenta atributos em relação à morfogênese, organização dos tecidos de armazenamento e ao tipo de compostos armazenados (Appezzato-da-Glória, 2015;De Moraes et al, 2016). No entanto, o rebrotamento após distúrbios não depende apenas das reservas, mas também de um banco de gemas, que pode ser aéreo ou subterrâneo (Klimešová & Klimeš, 2007).…”
Section: Discussionunclassified
“…O rizoma é um caule subterrâneo espessado que apresenta desenvolvimento lateral e, quando fragmentado, a reprodução vegetativa o que confere às plantas rizomatosas a capacidade de adaptação a ambientes sujeitos a distúrbios (Pausas et al, 2018). Além disso, podem acumular compostos de reserva essenciais para o rebrotamento (Appezzato-da-Glória, 2015; Clarke et al, 2010;De Moraes et al, 2016;Pausas et al, 2018), bem como compostos de proteção contra herbivoria e patógenos, por exemplo, os compostos fenólicos, os quais estão associados ao mecanismo de adaptação e resistência das plantas ao ambiente (Silva et al, 2020). O rebrotamento após distúrbios depende não só das reservas, mas também de um banco de gemas, ou seja, de um conjunto de meristemas dormentes aptos a possibilitar a regeneração, podendo ser aéreo e, ou subterrâneo (Klimešová & Klimeš, 2007).…”
Section: Revisão Bibliográficaunclassified
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