Results 21 to 30 of about 243 (70)

Seletividade de herbicidas: III - aplicação de herbicidas em pós emergência inicial e tardia da cana-de-açúcar na época da estiagem Herbicide selectivity: III - herbicide application at initial and late postemergence of sugarcane in dry season

open access: yesPlanta Daninha, 2006
Este trabalho objetivou avaliar a seletividade dos herbicidas diuron+hexazinone, azafenidin+hexazinone, metribuzin e isoxaflutole aplicados em pós-emergência inicial e tardia das plantas de cana-de-açúcar, variedade RB835089, na época da estiagem, em ...
C.A.M. Azania   +4 more
doaj   +1 more source

Selectivity of Pre and Postemergence Herbicides in Single or Combined Applications in Castor Crop

open access: yesAgronomy, 2020
One of the main challenges in castor crop (Ricinus communis L.) production is efficient weed management mainly due to limited options of selective herbicides.
Augusto G. F. Costa   +5 more
doaj   +1 more source

Eficiência do cloransulam-metílico no controle em pós-emergência de Conyza bonariensis na cultura da soja RR® [PDF]

open access: yes, 2015
With the introduction of transgenic soybean resistant to glyphosate, which was widespread in southern Brazil, the number of applications and the selection of biotypes of horseweed (Conyza bonariensis) resistant to herbicide have stepped up.
Blainski, Éder   +6 more
core   +2 more sources

Paspalum notatum growth and pigment content in response to the application of herbicides [PDF]

open access: yes, 2017
A grama batatais (Paspalum notatum) é uma poacea, resistente ao pisoteio, restrição hídrica e baixa fertilidade do solo, porém, exige cortes frequentes para eliminar o excesso de biomassa produzido.
Alves, Guilherme Augusto Cito   +6 more
core   +2 more sources

Clomazone selectivity in cotton seeds treated with dietholate and zinc acetate

open access: yesSemina: Ciências Agrárias, 2014
The objective of this study objective was to evaluate the selectivity of pre-emergence applications the herbicide clomazone cotton seeds treated with dietholate and zinc acetate. The 4 x 2 factorial arrangement was adopted (4 seed treatment methods and 2
Miriam Hiroko Inoue   +5 more
doaj   +1 more source

Selectivity of herbicides in crambe crop

open access: yesSemina: Ciências Agrárias, 2014
The low productivity of crambe can be associated with many factors, among these, the competition with weeds, which reduces the yield, harvest affects and contributes to the increase in seed moisture.
Guilherme Sasso Ferreira Souza   +4 more
doaj   +1 more source

Eficácia do herbicida S-metolacloro no controle de Urochloa decumbens em solos de Cerrado [PDF]

open access: yes, 2023
The soil characteristics play a pivotal role in shaping the efficacy of pre-emergent herbicides in the context of weed control and their phytotoxic influence on the target crop.
Almeida, Danielle Resende   +4 more
core   +1 more source

EFEITO DE HERBICIDAS NO CRESCIMENTO INICIAL DO SORGO SACARINO [PDF]

open access: yes, 2019
A presença de plantas daninhas pode reduzir severamente o rendimento do sorgo sacarino (Sorghum bicolor), e em função do reduzido número de herbicidas registrados, o objetivo do trabalho foi avaliar o efeito de herbicidas no crescimento inicial dessa ...
Furquim, Lucas Tadeu   +2 more
core   +3 more sources

Seletividade de herbicidas registrados para uso em pré e pós-emergência na cultura da cana-de-açúcar ao feijoeiro-comum. [PDF]

open access: yes, 2017
RESUMO: O trabalho teve como objetivo avaliar a seletividade dos principais herbicidas registrados para uso na cultura da cana-de-açúcar, aplicados em pré ou pós-emergência, ao feijoeiro-comum (cultivar Pérola).
BARROSO, A. L. de L.   +8 more
core  

Herbicide selectivity for conventional maize hybrid [PDF]

open access: yes
: The cultivation of conventional maize in refuge areas is important for preserving Bt technology and serving specific markets with greater added value to the grains. Therefore, research aimed at chemical weed control must also continue to be directed to
BRAZ, G. B. P.   +6 more
core   +1 more source

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