Results 31 to 40 of about 313 (91)

Seletividade e absorção radicular do sulfentrazone em clones de eucalipto Sulfentrazone selectivity and root absorption in eucalyptus clones

open access: yesPlanta Daninha, 2012
O objetivo deste trabalho foi avaliar a seletividade e a absorção do sulfentrazone em clones de eucalipto. O primeiro experimento foi instalado em casa de vegetação, em delineamento inteiramente casualizado, com quatro repetições, no esquema fatorial 2 x
C.A. Carbonari   +4 more
doaj   +1 more source

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

How glyphosate may affect transgenic soybean in different soil and phosphorus levels [PDF]

open access: yesPlanta Daninha, 2014
The technology that employs genetic modifications brought a significant increase in the utilization of glyphosate. Transgenic soybean has been suffering injury, even though it possesses a resistance mechanism to glyphosate.
M.S. Casonatto   +3 more
doaj   +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

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

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

SUPPRESSION OF Urochloa brizantha AND U. ruziziensis BY GLYPHOSATE UNDERDOSES

open access: yesRevista Caatinga, 2019
Intercropping of Urochloa species with corn is an alternative to enable the no-tillage system, besides influencing weed community. Therefore, the investigation of underdoses of the herbicide glyphosate to manage grasses in intercropping systems, avoid ...
S. F. Lima   +4 more
semanticscholar   +1 more source

EFEITO DO SELÊNIO COMO PROTETOR QUÍMICO NA SELETIVIDADE INICIAL DE HERBICIDAS APLICADOS EM PÓS EMERGÊNCIA DE Urochloa decumbens

open access: yes, 2020
Some substances can be used as chemical protectors to increase the tolerance of crops to herbicides, including some micronutrients such as selenium. The use of herbicides in pastures has been increasingly used for weed management, this work aimed to ...
R. Dias   +6 more
semanticscholar   +1 more source

Simulated derive of glyphosate in green onion plants (Allium fistulosum L.)

open access: yes, 2020
The effect of simulated glyphosate drift on common chives ( Allium fistulosum L .) was evaluated. The work was developed in a private garden, in Confresa-MT, from January to February 2016.
D. Riva   +3 more
semanticscholar   +1 more source

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