2016
DOI: 10.5039/agraria.v11i1a5359
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Germination, floristic composition and phytosociology of the weed seed bank in rice interropped with corn fields

Abstract: Germination, floristic composition and phytosociology in the soil weed seed bank are important to know the weed flora and to predict weed infestations. The objective of this research was to assess and to compare germination, the weed flora and phytosociology of the soil weed seed bank in rice intercropped with corn fields in Maranhão State, northeastern Brazil by the germination method in the greenhouse and by weed sampling in the field. Phytosociological parameters computed were frequency, density, abundance … Show more

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Cited by 3 publications
(4 citation statements)
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“…The diversity and evenness of the seed bank was 1.485 and 0.42, respectively. These values were different from those obtained by Jakelaitis et al (2014), Mesquita et al (2016), Cardoso et al (2016) and Ferreira (2017), as well as the structural parameters also differed from those found in the consulted studies (Diniz et al, 2017;Ferreira, 2017;Corrêa et al, 2018;Carmona, 1995;Deiss et al, 2018;Mesquita et al, 2016).…”
Section: Discussioncontrasting
confidence: 64%
See 1 more Smart Citation
“…The diversity and evenness of the seed bank was 1.485 and 0.42, respectively. These values were different from those obtained by Jakelaitis et al (2014), Mesquita et al (2016), Cardoso et al (2016) and Ferreira (2017), as well as the structural parameters also differed from those found in the consulted studies (Diniz et al, 2017;Ferreira, 2017;Corrêa et al, 2018;Carmona, 1995;Deiss et al, 2018;Mesquita et al, 2016).…”
Section: Discussioncontrasting
confidence: 64%
“…); in Morrinhos, GO, 26 species (Ferreira, 2017); in Viana, MA, 12 (Corrêa et al, 2018) and in São Luís, MA, 13 (Silva et al, 2018). However, other studies showed a higher number: in Vargem Bonita, DF, there were 39 species (Carmona, 1995); in Ponta Grossa, PR, 49 species (Deiss et al, 2018) and; in São Luís Gonzaga, MA, 55 (Mesquita et al, 2016). Differences in the sampling effort, between the biome / ecosystem studied and in the methods of collecting soils and data, should explain the divergences between the results of the compared studies.…”
Section: Discussionmentioning
confidence: 85%
“…As famílias com maior número de espécies encontradas na área foram Poaceae (5) e Fabaceae (3). Vários outros trabalhos recentes corroboram com este resultado (Batista et al, 2016;Mesquita et al, 2016;Santos et al, 2016;Evangelista et al, 2015;Albuquerque et al, 2014;Cunha et al, 2014 indivíduos.m -2 ), apesar da baixa frequência (presente em 5% das amostras). Assim, apesar de ser uma espécie com indivíduos distribuídos desuniformemente na área, nas amostras em que eram encontrados, esses indivíduos estavam em grande número, ocupando a maior parte da área amostrada.…”
Section: Resultsunclassified
“…Additionally, we assessed for floristic similarity in the five areas by means of the Jaccard Similarity Index using the Past 3.25 software (Hamer et al, 2001). Floristic diversity was assessed using the Shannon Diversity Index (Mesquita et al 2016, Amorim & Mesquita, 2019.…”
Section: Statistical Analysesmentioning
confidence: 99%