2012
DOI: 10.1590/s0100-83582012000400007
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Efeito de Brachiaria decumbens na herbivoria e no desenvolvimento de duas leguminosas nativas de cerrado

Abstract: Este estudo avaliou o impacto da presença da gramínea exótica (Brachiaria decumbens) na herbivoria e no desenvolvimento de plântulas de espécies nativas (Hymenaea stigonocarpa e Dipteryx alata) de Cerrado. Para avaliar o impacto da presença da gramínea, 10 blocos em pastagem (antiga área de Cerrado) na Embrapa Gado de Corte (Campo Grande-MS) foram demarcados em janeiro de 2009. As gramíneas foram mantidas intactas em metade dos blocos e, na outra metade, foram removidas. Em cada tratamento, foram avaliados a h… Show more

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Cited by 7 publications
(3 citation statements)
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References 19 publications
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“…However, in many cases these species have become invasive to natural ecosystems in the region (Matos and Pivello, 2009). The genus characteristics, as sexual and vegetative reproduction, rapid reproductive cycle, high photosynthetic and nutrient use efficiency and high growth rates (Oliveira et al, 2006;Pires et al, 2012) make it highly competitive with native species. Furthermore, recent studies have demonstrated the allelopathic activity of the genus in different plant species (Barbosa et al, 2008;Contreiras-Rodrigues et al, 2012;Kato-Noguchi et al, 2014;Graat et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…However, in many cases these species have become invasive to natural ecosystems in the region (Matos and Pivello, 2009). The genus characteristics, as sexual and vegetative reproduction, rapid reproductive cycle, high photosynthetic and nutrient use efficiency and high growth rates (Oliveira et al, 2006;Pires et al, 2012) make it highly competitive with native species. Furthermore, recent studies have demonstrated the allelopathic activity of the genus in different plant species (Barbosa et al, 2008;Contreiras-Rodrigues et al, 2012;Kato-Noguchi et al, 2014;Graat et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Nesse contexto, o principal problema no crescimento inicial de espécies florestais é a presença de plantas daninhas, principalmente a braquiária (Urochloa decumbens (Stapf) R. D. Webster), uma vez que a competição com outras espécies por água, luz e nutrientes interfere no crescimento da espécie de interesse, aumentando as taxas de mortalidade, como reportado em vários trabalhos (Pires et al 2012, Canuto et al 2015.…”
Section: Resultsunclassified
“…The medium ecological potential of the herbaceous class for the implementation of ecological corridors is due to the presence of exotic herbaceous species from the use of areas for pasture. Exotic grasses may impair the establishment and development of native species due to competition for nutritional resources of the soil, and thus change plant morphophysiology and the quantity and quality of nutrients absorbed by plants (PIRES et al, 2012). Therefore, it is recommended that ecological corridors be implemented in these areas only if there is intervention to control exotic grasses through recovery projects.…”
Section: Discussionmentioning
confidence: 99%