Zobrazeno 1 - 10
of 38
pro vyhledávání: '"SILVIO DOUGLAS FERREIRA"'
Autor:
Silvio Douglas Ferreira, Jaqueline de Araújo Barbosa, Shirley Martins Silva, Neumarcio Vilanova da Costa
Publikováno v:
Revista Ceres, Vol 70, Iss 5 (2023)
ABSTRACT Digitaria insularis (L.) Fedde stands out for its resistance to glyphosate and this characteristic may have a relationship with structural alterations. In such context, this research aimed at the characterization of the foliar anatomical str
Externí odkaz:
https://doaj.org/article/43dcf2e8ffd24bd189385734a1e9fc38
Autor:
Neumárcio Vilanova da Costa, Silvio Douglas Ferreira, Vitor Gustavo Kuhn, Anderson Marcel Gibbert, Hiago Canavessi
Publikováno v:
Revista Ceres, Vol 68, Iss 6, Pp 569-578 (2021)
ABSTRACT The objective of this study was to evaluate the selectivity of cassava cultivar ‘Santa Helena’ and the efficiency of weed control using herbicides applied alone or tank mixed with and without sequential applications. Two experiments were
Externí odkaz:
https://doaj.org/article/088ba6790cff49f5b437dca132b49849
Autor:
Michele Cristina Lang, Jaqueline de Araújo Barbosa, Silvio Douglas Ferreira, Amanda Regina Godoy Baptistão, Neumarcio Vilanova da Costa
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 57 (2022)
Abstract The objective of this work was to evaluate the effect of black oat (Avena strigosa) straw on the period prior to the interference (PPI) of weeds in the 'Alvorada' carrot (Daucus carota) crop. The experiment was carried out in a randomized co
Externí odkaz:
https://doaj.org/article/2ff38b6dc7114cee88aa8d863194363b
Autor:
Neumárcio Vilanova da Costa, Mário Takahashi, Andreia Cristina Peres Rodrigues da Costa, Silvio Douglas Ferreira, Dyogo Bortot Brustolin, Edmar Soares de Vasconcelos
Publikováno v:
Acta Scientiarum: Agronomy, Vol 45, Iss 1 (2022)
The selectivity and efficacy of protoporphyrinogen oxidase (PROTOX) inhibitor herbicides in cassava varieties depend on product formulation, dosage, and soil texture. The aim of this study was to assess the selectivity and efficacy of flumioxazin and
Externí odkaz:
https://doaj.org/article/bc11153edc5a4b99ba9a56157db1ab74
Autor:
Neumárcio Vilanova da Costa, Anderson Marcel Gibbert, Silvio Douglas Ferreira, Hiago Canavessi, Adriana Cologni Salvalaggio
Publikováno v:
Revista Ceres, Vol 67, Iss 3, Pp 240-246 (2020)
ABSTRACT The use of strategies such as sequential applications and mixtures may increase the control spectrum and the residual effect of chemical control of weed in the cassava crop. Thus, the objective was to evaluate the selectivity and efficacy of
Externí odkaz:
https://doaj.org/article/45442a56e768476ba6b65afca9677686
Autor:
João Ricardo Pompermaier Ramella, Jaqueline de Araújo Barbosa, Silvio Douglas Ferreira, Emerson Fey, Neumarcio Vilanova da Costa
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 55 (2020)
Abstract: The objective of this work was to evaluate the effect of weed competition on the accumulation of nitrogen and phosphorus in the leaves and on the dry weight of the roots of cassava (Manihot esculenta) in the conventional and no-tillage syst
Externí odkaz:
https://doaj.org/article/26bf2f803b704b22af3c9da896de75ea
Autor:
Jaqueline de Araujo Barbosa, Douglas Elias Franke, Silvio Douglas Ferreira, Adriana Cologni Salvalaggio, Neumarcio Vilanova da Costa
Publikováno v:
Revista de Agricultura Neotropical, Vol 5, Iss 2, Pp 13-18 (2018)
Plantas de cobertura podem causar a supressão de plantas daninhas devido aos efeitos físicos e alelopáticos produzidos pela palhada. O objetivo deste trabalho foi o de avaliar o manejo da palhada de mucuna-preta (superficial ou incorporada) no con
Externí odkaz:
https://doaj.org/article/3cae965fb8db4fa28b86c8cbea212dbe
Autor:
Jaqueline de Araujo Barbosa, Silvio Douglas Ferreira, Adriana Cologni Salvalaggio, Neumárcio Vilanova da Costa, Márcia de Moraes Echer
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 48, Iss 1, Pp 59-65 (2018)
Allelopathy contributes to the sustainable management of weeds in growing areas, due to its ability to inhibit the development of weed species. This study aimed to evaluate the allelopathic effect of Pachyrhizus erosus extract on Euphorbia heterophyl
Externí odkaz:
https://doaj.org/article/7a41900694ed4e07bf6c59700e096771
Autor:
Adriana Cologni Salvalaggio, Silvio Douglas Ferreira, Neumárcio Vilanova Costa, Rafaela Adam Baioco, Kaian Albino Corazza Kaefer, Victor Natan Cazzo
Publikováno v:
Scientia Agraria Paranaensis, Vol 15, Iss 1, Pp 82-87 (2016)
This project aim to evaluate the efficiency of spreading droplets in solutions with biological insecticide and adjuvants in leaves of different varieties of cassava. The experimental design was entirely randomized in a factorial 3x7, with four replic
Externí odkaz:
https://doaj.org/article/81d629540dc24c84bfae8341007a9e72
Autor:
João Ricardo Pompermaier Ramella, Silvio Douglas Ferreira, Jaqueline de Araújo Barbosa, Emerson Fey, Neumarcio Vilanova da Costa
Publikováno v:
Scientia Agraria Paranaensis. :44-50
The study aimed to determine the interference periods of weeds in cassava ‘IAC 90’ cultivated in different cycles and cropping systems. An experiment was conducted in the period 2014/15 (1st cycle) and another was conducted from the pruning of ca