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| ZOBIOLE,L.H.S.; KRENCHINSKI,F.H.; MORATELLI,G.; COSTA,N.V.. |
| ABSTRACT: The effectiveness of a new product has a great importance to weed control, especially those that are difficult to control or resistant to, such as the sumatran fleabane (Conyza sumatrensis). The objective of this research was to evaluate the control of C. sumatrensis at different growth stages, using halauxifen-methyl in combination with other herbicides. The experimental design used was a randomized blocks in a 3x10 factorial scheme, with four replications. The plants of C. sumatrensis were evaluated at different growth: stage 1: plants with 8 leaves; Stage 2: plants with 19 leaves and stage 3: plants with 45 leaves fully expanded. The herbicides used were the association of glyphosate with the herbicides 2,4-D at 806, 943 and 1,209 g a.e. ha-1,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Conyza sumatrensis; Arylpicolinate herbicide; Auxin mimic herbicide; Burndown. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582018000100279 |
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| P. Ronchi,Cláudio. |
| Abstract Background: Weed control in the pre-harvest of the coffee crop is essential to enable mechanized coffee harvesting. Objective: Testing the efficacy of pre-emergent herbicides, applied after brush shredder or desiccation operations, on the weed control during the coffee crop’s pre-harvest. Methods: Two separate trials were accomplished in commercial Coffea arabica crops in the Cerrado Mineiro Region. In the first one, oxyfluorfen and sulfentrazone were applied after either brush shredder or burndown operation; in the second, they were tested as a tank mixture with glyphosate. Results: In the first assay, the brush shredder use, associated to the rains that follow, stimulated a sharp weed infestation during the pre-harvest, which was not... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coffea arabica; Burndown; Herbicide; Integrated weed management. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582020000100329 |
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| Jaremtchuk, Carla Cristina; UEM; Constantin, Jamil; UEM; Oliveira Júnior, Rubem Silvério de; UEM; Biffe, Denis Fernando; UEM; Alonso, Diego Gonçalves; UEM; Arantes, João Guilherme Zanetti de; UEM. |
| No sistema de semeadura direta, a dessecação que antecede à semeadura (manejo) é uma das operações mais importantes para maximizar o crescimento inicial das culturas e minimizar a interferência das plantas daninhas no início do ciclo. O objetivo do trabalho foi avaliar o efeito de diferentes sistemas de manejo que antecede à semeadura da soja, no município de Iguaraçu, Paraná, no ano agrícola de 2004/2005. Foram comparados cinco épocas de manejo (10, 7, 5, 3 e o dias, antes da semeadura), com três tratamentos herbicidas (glyphosate 1080 g, glyphosate + flumioxazin 1080 + 25 g ha-1 e glyphosate + flumioxazin 1080 + 40 g ha-1), em relação à velocidade de dessecação, infestação inicial de plantas daninhas e desenvolvimento e produtividade da soja. A... |
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Palavras-chave: 5.01.02.00-1 Fitossanidade associação de herbicidas; Manejo; Soja; Semeadura direta. herbicide association; Burndown; Soybean; No-tillage. |
| Ano: 2008 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/5297 |
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