2015
DOI: 10.1590/0001-3765201520140238
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Abstract: Senna ocidentalis is a weed, native to Brazil, considered to infest crops and plantations, and is responsible for yield losses of several crops, particularly soybean. The aim of this work was to evaluate if the Croton argenteus extract and fractions possess phytotoxic activity on S. ocidentalis. The crude ethanolic extract (CEE) and its hexanic (HF), chloroformic (CLF) and ethyl acetate (EAF) fractions were tested in germination, growth, oxidative stress increase, Adenosine triphosphate, L-malate and succinate… Show more

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Cited by 3 publications
(17 citation statements)
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References 28 publications
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“…Both Urochloa species inhibited G. ulmifolia germination (Table 1). In the field, seed germination prevention due to toxic chemical substances may result in decrease of individuals density which, in medium and long term, can lead to local extinction of this species, with implications for local biodiversity (Callaway et al, 2005;Rech et al, 2015). Thus, the reintroduction of G. ulmifolia using direct seeding in pasture areas, besides considering the amount of seed to be used according to their germination potential (the seeds used in this study were 60%), must additionally predict additional reduction in germination due to the allelopathic effect offered by grasses.…”
Section: Resultsmentioning
confidence: 99%
“…Both Urochloa species inhibited G. ulmifolia germination (Table 1). In the field, seed germination prevention due to toxic chemical substances may result in decrease of individuals density which, in medium and long term, can lead to local extinction of this species, with implications for local biodiversity (Callaway et al, 2005;Rech et al, 2015). Thus, the reintroduction of G. ulmifolia using direct seeding in pasture areas, besides considering the amount of seed to be used according to their germination potential (the seeds used in this study were 60%), must additionally predict additional reduction in germination due to the allelopathic effect offered by grasses.…”
Section: Resultsmentioning
confidence: 99%
“…Senna occidentalis ( Leguminosae ) is an herbaceous plant commonly known as ‘fedegoso’ which is widespread in pastures and degraded areas of tropical and subtropical regions (Rech et al . ). It is invasive in soy, sorghum and corn crops and toxic for cattle, pigs and horses (Barth et al .…”
Section: Introductionmentioning
confidence: 97%
“…Assay was concluded when germination failed to occur in three consecutive days. GVI was calculated for each replication according to number of germinated seeds, divided by the number of germination days, till the last day of germination (Macias et al, 2000;Hoffmann et al, 2007;Lima et al, 2011;RECH et al, 2015).…”
Section: Research Has Already Shown That Plants Of the Genusmentioning
confidence: 99%