2012
DOI: 10.5433/1679-0359.2012v33supl1p2799
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Profundidade de semeadura, pH, textura e manejo da cobertura do solo na emergência de plântulas de Rottboellia exaltata

Abstract: ResumoO capim camalote (Rottboellia exaltata L.f) tem sido relatado como uma importante planta daninha, podendo causar prejuízos econômicos e dificuldades no manejo em diversas culturas agrícolas. Foi determinado a emergência de plântulas de R. exaltata, em diferentes profundidades de semeadura (0, 0,5, 1, 5, 10, 12, 15 e 20 cm), em solos com diferentes texturas e valores de pH. Também avaliou-se os efeitos de diferentes coberturas de solo provenientes dede Mucuna aterrima, Canavalia ensiformis e Crotalaria s… Show more

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Cited by 14 publications
(18 citation statements)
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References 10 publications
(13 reference statements)
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“…in the months of June and July. In addition to low levels of rainfall, some factors, such as soil texture and sowing depth, may have influenced the number of emerged seedlings of R. exaltata, and greater sowing depths have reduced the emergence of the species (Monquero et al, 2012). The highest means of population density were found with the desiccation held in the months of August, September, October and November, which did not differ among themselves, with means of 358.67, 360.44, 422.22 and 226.92 plants m -2 , respectively (Table 2).…”
Section: Resultsmentioning
confidence: 99%
“…in the months of June and July. In addition to low levels of rainfall, some factors, such as soil texture and sowing depth, may have influenced the number of emerged seedlings of R. exaltata, and greater sowing depths have reduced the emergence of the species (Monquero et al, 2012). The highest means of population density were found with the desiccation held in the months of August, September, October and November, which did not differ among themselves, with means of 358.67, 360.44, 422.22 and 226.92 plants m -2 , respectively (Table 2).…”
Section: Resultsmentioning
confidence: 99%
“…A capacidade das plantas suportarem às variações de pH do meio em que estas se desenvolvem pode ser variável de acordo com a espécie. Alguns trabalhos descrevem o efeito de pH na germinação de sementes de plantas infestantes, havendo espécies que germinam em amplos gradientes de pH, como Ipomea asarifolia (Souza Filho et al, 2001), Rottboellia exaltata L.f (Monquero et al, 2012) e Campisis radicans (Chachalis;Reddy, 2000) e outras cuja variação de pH prejudica a germinação das sementes, como Emilia sonchifolia e Conyza canadensis (Nandula et al, 2006).…”
Section: Influência De Fatores Abióticos Na Resposta De Sementes De Munclassified
“…species with economically important crops, much research has been conducted on its physiology, genetics and ecology, in order to find ways to control or eradicate it (Pamplona and Mercado 1981;Lencse and Griffin, 1991;Freitas et al 2004;Silva et al 2009;Monquero et al 2012).…”
Section: Funez Et Al | First Record Of Rottboellia Cochinchinensis Imentioning
confidence: 99%