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Adaptive potential of Lolium multiflorum L. biotypes susceptible and resistant to glyphosate. Repositório Alice
RUCHEL, Q.; FRAGA, D. S.; VARGAS, L.; AGOSTINETTO, D.; SILVA, B. M. da.
2016
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Ryegrass; Adaptive potential; Planta daninha; Erva daninha; Azevem; Planta forrageira; Weeds; Glyphosate; Lolium multiflorum.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1054187
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Competição de trigo com azevém em função de épocas de aplicação e doses de nitrogênio. 2 - Componentes da produtividade. Repositório Alice
DE PAULA, J. M.; SCHAEDLER, C. E.; AGOSTINETTO, D.; SILVA, D. R. O.; SILVA, J. M. B. V. da; VARGAS, L..
bitstream/item/186558/1/CNPT-ID39851.pdf
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Competição de cultivar; Ryegrass; Adubação; Lolium Multiflorum; Wheat.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/851651
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Competição de trigo com azevém em função de épocas de aplicação e doses de nitrogênio. 2 - Variáveis morfológicas. Repositório Alice
SCHAEDLER, C. E.; DE PAULA, J. M.; AGOSTINETTO, D.; OLIVEIRA, E. de; SANTOS, L. S.; VARGAS, L..
bitstream/item/186544/1/CNPT-ID39850.pdf
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Competição de cultivar; Ryegrass; Adubação; Lolium Multiflorum; Wheat.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/851650
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Dose-response curves of Lolium multiflorum biotypes resistant and susceptible to clethodim. Repositório Alice
VARGAS, L.; FRAGA, D. S.; AGOSTINETTO, D.; MARIANI, F.; DUARTE, T. V.; SILVA, B. M..
2013
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Azevém; Ciclohexanodionas; Resistência a herbicidas; Ryegrass; Cyclohexanodiones; Herbicide resistance.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/978444
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Dose-response curves of Lolium multiflorum biotypes resistant and susceptible to clethodim Planta Daninha
Vargas,L.; Fraga,D.S.; Agostinetto,D.; Mariani,F.; Duarte,T.V.; Silva,B.M..
Chemical control with herbicides, especially glyphosate, is the main method used to control ryegrass. However, the repeated use of glyphosate has selected resistant ryegrass biotypes. Thus, the ACCase inhibitor herbicides have become the main alternative to control glyphosate-resistant biotypes, being widely used by farmers in Rio Grande do Sul. Repeated use of ACCase inhibitors, in turn, have selected ryegrass biotypes resistant to this herbicide mechanism. Thus, the objective of this study was to evaluate the response of ryegrass biotypes to different clethodim rates by dose-response curves. Increasing doses (0, 12, 24, 48, 72, 96, 144 and 192 g a.i. ha-1) of the herbicide clethodim were applied at the 3-4 ryegrass leaf stage. The variables control at 14...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ryegrass; Cyclohexanodiones; Herbicide resistance.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582013000400015
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Dynamics of Tifton 85 pasture (Cynodon dactylon L. Pers) over seeded with cool season species, under continuous grazing Animal Sciences
Silva, Viviane Santos da; Bronadani, Ivan Luiz; Alves Filho, Dari Celestino; Paula, Perla Cordeiro de; Martini, Ana Paula Machado; Moura, Amanda Farias de.
 This study aimed to evaluate the effects of oat or ryegrass over seeding on the productive characteristics and morphological composition of Tifton85 grass under continuous grazing. The three studied treatments were: Oat + Tifton85, Ryegrass + Tifton85 and Tifton85, distributed in a completely randomized design, constituting four replications of area per treatment. The Ryegrass + Tifton85 treatment presented a forage mass 27% superior to the Oat + Tifton85 treatment. The leaf percentage of Tifton85 was superior for the treatment Oat + Tifton85 (41%), while the percentage of stem + sheath was superior in the treatment Ryegrass + Tifton85 (64%). There was a higher percentage of Tifton85 leaves in the treatment Oat + Tifton85, while the Ryegrass + Tifton85...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zootecnia e Recursos Pesqueiros. forage; Grazing; Oat; Ryegrass; Tropical pasture..
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/36363
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Economic Returns to Different Stocking Rates for Cattle on Ryegrass under Contract Grazing and Traditional Ownership AgEcon
Zaragoza-Ramire, Jose-Luis; Bransby, David; Duffy, Patricia A..
Economic returns to stocker production were estimated using results of a grazing experiment. If resources to buy cattle are not limited, traditional ownership was superior to contract grazing under all but extremely unfavorable price spreads. If capital to purchase stockers is limited, contract grazing may provide more returns.
Tipo: Conference Paper or Presentation Palavras-chave: Stockers; Grazing; Ryegrass; Livestock Production/Industries; Q100.
Ano: 2006 URL: http://purl.umn.edu/35477
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Efecto del arsénico sobre plantas forrajeras de importancia pecuaria en la Argentina* InVet
Rodríguez,M¹; Alvarez Gonçalvez,CV; Fernández Cirelli,A; Pérez Carrera,A.
En la Llanura Chacopampeana, Argentina, las especies forrajeras se encuentran expuestas al arsénico presente en el agua subterránea normalmente utilizada para riego. En este estudio se determinó el efecto del arsénico en la germinación de las semillas y en la biomasa aérea de alfalfa y ryegrass perenne. No se detectó un impacto significativo sobre el porcentaje de germinación en ninguna de las dos especies, pero si sobre las longitudes de hipocótilo de alfalfa y en las longitudes radiculares de ambas especies. Se observó una disminución de la biomasa en presencia de arsénico pero esta fue no significativa. Estos resultados evidencian la importancia de profundizar el estudio de los efectos del arsénico y otros elementos traza asociados en el desarrollo de...
Tipo: Info:eu-repo/semantics/article Palavras-chave: As; Alfalfa; Ryegrass; Germinación; Toxicidad.
Ano: 2016 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1668-34982016000100001
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Geographic distribution of Lolium multiflorum Lam. resistent to clethodim herbicide in southern Brazil. Repositório Alice
SCHNEIDER, T.; VARGAS, L.; AGOSTINETTO, D..
2015
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Azevém; Controle químico; Resistência; Ryegrass; Chemical control; Resistance.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1024788
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Is Increasing Doses of Imazapyr + Imazapic Detrimental to the Main Crop Rotation Alternatives to Flooded Rice? Planta Daninha
ULGUIM,A.R.; CARLOS,F.S.; ZANON,A.J.; OGOSHI,C.; BEXAIRA,K.P.; SILVA,P.R.F..
ABSTRACT: Imazapyr+imazapic ready mix is the main herbicide used to weed control in Clearfield® Rice System. The continuous use of high doses may increase their residual activity in the soil. The aim of this research was determine the sensitivity of cover crops and soybean in rotation with flooded rice to different levels of imazapyr+imazapic residues in the soil and its effect on soil microbiology. A field experiment was performed during the 2014/15 and 2015/16 seasons. In the first crop season, flooded rice was cultivated using herbicide rates in order to have levels of residue in the soil: 0, 140 (label dosage, equivalent to 73.5+24.5 g a.i. ha-1), 280, 560, 840 and 1,120 g ha-1. After crop harvest, during fall-winter, it was sown ryegrass, white clover...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil residue; Ryegrass; White clover; Soybean.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100152
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Mixture of glufosinate and atrazine for ryegrass (Lolium multiflorum Lam.) control and its effect on seeds' quality. Repositório Alice
ULGUIM, A. da R.; AGOSTINETTO, D.; VARGAS, L.; SILVA, J. D. G. da; SCHNEIDER, T.; SILVA, B. M. da.
bitstream/item/203314/1/ID44702-2019v72n1p8655RevFacNacAgron.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Ryegrass; Lolium Multiflorum; Azevém; Photosystem II; Glutamine; Glufosinate; Atrazine.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113348
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Morphology and pollen viability of Lolium multiflorum Lam. Ciência e Agrotecnologia
Nunes,Renata de Castro; Bustamante,Fernanda de Oliveira; Techio,Vânia Helena; Mittelmann,Andréa.
Study and characterization of pollen grains are essential for different areas, especially taxonomy, genetic improvement, phylogeny, and paleobotany. As yet, there are no reports on pollen morphology of genotypes of naturalized Lolium multiflorum Lam., introduced cultivars or breeding populations, diploid or polyploid. Ten genotypes of annual ryegrass (L. multiflorum) were evaluated for the viability of pollen grains using propionic carmine and Alexander's stains, while morphology was assessed by the acetolysis technique. Measures of polar axis (P), equatorial diameter (E), exine thickness, and analysis of pollen grains were obtained by scanning electron microscopy (SEM). All genotypes showed high rate of pollen viability (> 89%) for both stains. There...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Scanning electron microscopy; Ryegrass; Acetolysis.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000200006
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Use of a conditioning unit at the haymaking of Tifton 85 overseeded with Avena sativa or Lolium multiflorum R. Bras. Zootec.
Castagnara,Deise Dalazen; Neres,Marcela Abbado; Oliveira,Paulo Sérgio Rabello de; Jobim,Cloves Cabreira; Três,Tamara Taís; Mesquita,Eduardo Eustáquio; Zambom,Maximilliane Alavarze.
White oat and ryegrass were overseeded on Tifton 85 pastures for evaluation of dry matter yield (DMY), leaf:stem ratio (L:S), dehydration curves and nutritional value of forages. Dry matter intake and L:S ratio were analyzed using a completely randomized blocks design with five forage growth conditions (single Tifton 85 and intercropped with white oat or ryegrass, and white oat or ryegrass intercropped with Tifton 85), whereas for drying curves, ten dehydration times were tested (0, 4, 8, 24, 28, 32, 48, 52, 56 and 71 hours after harvest) by a 5 × 10 split-plot arrangement (growth conditions of forages as main plot and dehydration times as sub-plots). The nutritive value data were analyzed in a 3 × 3 split-plot trial with single Tifton 85, Tifton 85 - Oat...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cynodon; Haymaking; In vitro dry matter digestibility; Oat; Ryegrass.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600006
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