Results 81 to 90 of about 896,983 (210)

Controle eficiente de plantas daninhas. [PDF]

open access: yes, 2012
bitstream/item/53632/1/Controle-eficiente ...
OLIVEIRA, M. F. de, VIVIAN, R.
core   +1 more source

Association between herbicides and sugarcane straw for controlling Urochloa decumbens (Stapf) R. D. Webster in peanuts

open access: yesBioscience Journal
Signal grass (Urochloa decumbens) is a common troublesome weed in peanut areas, and its control is essential. This study evaluated the efficacy of herbicides associated with harvested sugarcane residues in controlling U. decumbens.
Augusto Guerreiro Fontoura Costa   +3 more
doaj   +1 more source

Tolerância inicial de plantas de pinhão-manso a herbicidas aplicados em pré e pós-emergência Initial tolerance of physic nut plants to pre and post-emergence herbicide application

open access: yesPlanta Daninha, 2009
O presente trabalho teve por objetivo avaliar a tolerância inicial de plantas de pinhão-manso a herbicidas pré e pós-emergentes, aplicados isolados e em misturas.
E.A.L. Erasmo   +3 more
doaj   +1 more source

Resultados de pesquisa da Embrapa Soja - 2002: girassol e trigo. [PDF]

open access: yes, 2013
Tecnologias para o desenvolvimento da cultura do girassol no Brasil; Desenvolvimento de germoplasma e de cultivares de girassol (06.04.02.334-01); Rede de ensaios de avaliação de genótipos de girassol (04.2002.334.02); Variabilidade de Alternaria ...
HOFFMANN-CAMPO, C. B., SARAIVA, O. F.
core   +1 more source

Eficiência de herbicidas no controle de gramíneas em seringueira. [PDF]

open access: yes, 2013
Em Rondônia, capim-amargoso (Digitaria insularis (L.) Mez ex Ekman), capim-colchão (Digitaria horizontalis Willd.), capim-milhã (Digitaria ciliaris (Retz.) Koel), capim pé-de-galinha (Eleusine indica, (L.) Gaertn) e capim rabo-de-burro (Andropogon ...
AZEVEDO, D. M. P. de   +2 more
core  

Herbicide Metabolism in Weeds — Selectivity and Herbicide Resistance [PDF]

open access: yes, 2015
The metabolic detoxication/bioactivation pathways, the levels and activity of enzymes, and endogenous cofactors mediating these reactions in crops have been well documented; however, much less evidence has been accumulated in weed species.
Jablonkai, István
core   +1 more source

Yield and Quality of Fruits of Pineapple Cultivars Treated With CPA With Respect to Planting Date and Density

open access: yesInternational Journal of Agronomy, Volume 2025, Issue 1, 2025.
This study was carried out to evaluate the yield and quality of pineapple fruits of the cultivars MD2, Smooth Cayenne, and Cabezona from plants treated with 2‐(3‐chlorophenoxy) propionic acid (CPA) in the humid tropics of Mexico with respect to three planting dates and two planting densities.
Juventino Pérez-Romero   +6 more
wiley   +1 more source

Eficácia de herbicidas aplicados em pós-emergência na cultura da soja convencional e transgênica Efficacy of herbicides applied in post emergence on conventional and transgenic soybean

open access: yesPlanta Daninha, 2009
Na cultura da soja é frequente o uso de herbicidas seletivos aplicados em pósemergência para o controle das plantas daninhas. Com o objetivo de avaliar a eficiência e a seletividade de herbicidas aplicados em pós-emergência, isolados e em misturas, para ...
M.J.P Corrêa, P.L.C.A Alves
doaj   +1 more source

Efecto de glifosato y graminicidas sobre Paspalum virgatum y Panicum maximum en establecimiento de coberturas1 [PDF]

open access: yes, 2017
El experimento consistió en determinar el efecto de la aplicación de diferentes herbicidas sobre Paspalum virgatum y Panicum maximum en establecimiento de coberturas leguminosas.
Estupiñán, Gustavo   +2 more
core  

Seletividade de associações herbicidas pós-emergentes em variedade de soja precoce [PDF]

open access: yes, 2008
The frequent use of associations among postemergence herbicides has raised many questions about the selectivity of these for soybean crop. The objective of this work was to evaluate the selectivity of postemergence herbicide associations, and their ...
Almeida Júnior, Joaquim J.   +6 more
core   +1 more source

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