EMERGENCE OF WEED SPECIES ( Brachiaria ) UNDER SUGARCANE STRAW

Bibliographic Details
Title:	EMERGENCE OF WEED SPECIES ( Brachiaria ) UNDER SUGARCANE STRAW
Authors:	SILVA JR, A.C., QUEIROZ, J.R.G., MARTINS, C.C., PEREIRA, M.R.R., MARTINS, D.
Source:	Planta Daninha. September 2016 34(3)
Publisher Information:	Sociedade Brasileira da Ciência das Plantas Daninhas, 2016.
Publication Year:	2016
Subject Terms:	Brachiaria brizantha, Brachiaria decumbens, Brachiaria humidicola, Brachiaria ruziziensis, no-burn sugarcane, mulch
More Details:	The objective of this study was to evaluate the effects of soil cover with sugarcane residue on weed emergence of four weeds from the genus Brachiaria. The study was conducted in an area whose soil was classified as Red Nitosol. Seven different amounts of sugarcane residue (0, 3, 6, 9, 12, 15 and 18 ton ha-1) were used as soil cover. The residue of variety SP832847 was used upon four weed species: Brachiaria decumbens, B. brizantha, B. ruziziensis, and, B. humidicola. The experimental design was a randomized block with four replications. The weeds were sown 1 cm deep and covered by the residue. The seeding rate in use was 1,200 plants m-2. The study was comprised of two phases: the first phase was an evaluation of plant emergence (more than 1 cm for shoots) at 9, 12, 19, 34 and 43 days after sowing (DAS), and in the second phase, plant emergence was evaluated after removal of the straw residue at 89, 130, 175, 196, 217 and 234 DAS. The amount of sugarcane residue used as soil cover influenced the emergence pattern of Brachiaria spp. Minor germination was noticed after residue removal. Amounts greater than 9 ton ha-1 decreased the total number of seedlings in all species, except for B. ruziziensis, whose emergence decreased at 12 ton ha-1.
Document Type:	article
File Description:	text/html
Language:	English
ISSN:	0100-8358
DOI:	10.1590/s0100-83582016340300003
Access URL:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000300423
Rights:	info:eu-repo/semantics/openAccess
Accession Number:	edssci.S0100.83582016000300423
Database:	SciELO

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Items	– Name: Title Label: Title Group: Ti Data: EMERGENCE OF WEED SPECIES ( Brachiaria ) UNDER SUGARCANE STRAW – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22SILVA+JR%2C+A%2EC%2E%22">SILVA JR, A.C.</searchLink><br /><searchLink fieldCode="AR" term="%22QUEIROZ%2C+J%2ER%2EG%2E%22">QUEIROZ, J.R.G.</searchLink><br /><searchLink fieldCode="AR" term="%22MARTINS%2C+C%2EC%2E%22">MARTINS, C.C.</searchLink><br /><searchLink fieldCode="AR" term="%22PEREIRA%2C+M%2ER%2ER%2E%22">PEREIRA, M.R.R.</searchLink><br /><searchLink fieldCode="AR" term="%22MARTINS%2C+D%2E%22">MARTINS, D.</searchLink> – Name: TitleSource Label: Source Group: Src Data: <i>Planta Daninha</i>. September 2016 34(3) – Name: Publisher Label: Publisher Information Group: PubInfo Data: Sociedade Brasileira da Ciência das Plantas Daninhas, 2016. – Name: DatePubCY Label: Publication Year Group: Date Data: 2016 – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Brachiaria+brizantha%22">Brachiaria brizantha</searchLink><br /><searchLink fieldCode="DE" term="%22Brachiaria+decumbens%22">Brachiaria decumbens</searchLink><br /><searchLink fieldCode="DE" term="%22Brachiaria+humidicola%22">Brachiaria humidicola</searchLink><br /><searchLink fieldCode="DE" term="%22Brachiaria+ruziziensis%22">Brachiaria ruziziensis</searchLink><br /><searchLink fieldCode="DE" term="%22no-burn+sugarcane%22">no-burn sugarcane</searchLink><br /><searchLink fieldCode="DE" term="%22mulch%22">mulch</searchLink> – Name: Abstract Label: Description Group: Ab Data: The objective of this study was to evaluate the effects of soil cover with sugarcane residue on weed emergence of four weeds from the genus Brachiaria. The study was conducted in an area whose soil was classified as Red Nitosol. Seven different amounts of sugarcane residue (0, 3, 6, 9, 12, 15 and 18 ton ha-1) were used as soil cover. The residue of variety SP832847 was used upon four weed species: Brachiaria decumbens, B. brizantha, B. ruziziensis, and, B. humidicola. The experimental design was a randomized block with four replications. The weeds were sown 1 cm deep and covered by the residue. The seeding rate in use was 1,200 plants m-2. The study was comprised of two phases: the first phase was an evaluation of plant emergence (more than 1 cm for shoots) at 9, 12, 19, 34 and 43 days after sowing (DAS), and in the second phase, plant emergence was evaluated after removal of the straw residue at 89, 130, 175, 196, 217 and 234 DAS. The amount of sugarcane residue used as soil cover influenced the emergence pattern of Brachiaria spp. Minor germination was noticed after residue removal. Amounts greater than 9 ton ha-1 decreased the total number of seedlings in all species, except for B. ruziziensis, whose emergence decreased at 12 ton ha-1. – Name: TypeDocument Label: Document Type Group: TypDoc Data: article – Name: Format Label: File Description Group: SrcInfo Data: text/html – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 0100-8358 – Name: DOI Label: DOI Group: ID Data: 10.1590/s0100-83582016340300003 – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000300423" linkWindow="_blank">http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000300423</link> – Name: Copyright Label: Rights Group: Cpyrght Data: info:eu-repo/semantics/openAccess – Name: AN Label: Accession Number Group: ID Data: edssci.S0100.83582016000300423
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RecordInfo	BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1590/s0100-83582016340300003 Languages: – Text: English Subjects: – SubjectFull: Brachiaria brizantha Type: general – SubjectFull: Brachiaria decumbens Type: general – SubjectFull: Brachiaria humidicola Type: general – SubjectFull: Brachiaria ruziziensis Type: general – SubjectFull: no-burn sugarcane Type: general – SubjectFull: mulch Type: general Titles: – TitleFull: EMERGENCE OF WEED SPECIES ( Brachiaria ) UNDER SUGARCANE STRAW Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: SILVA JR, A.C. – PersonEntity: Name: NameFull: QUEIROZ, J.R.G. – PersonEntity: Name: NameFull: MARTINS, C.C. – PersonEntity: Name: NameFull: PEREIRA, M.R.R. – PersonEntity: Name: NameFull: MARTINS, D. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 09 Type: published Y: 2016 Identifiers: – Type: issn-print Value: 01008358 Numbering: – Type: volume Value: 34 – Type: issue Value: 3 Titles: – TitleFull: Planta Daninha Type: main
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