Results 71 to 80 of about 3,231 (199)
A resistência ao glyphosate em biótipos de Conyza spp. em áreas de lavoura das regiões oeste e sudoeste do Paraná causa grandes dificuldades ao manejo e, consequentemente, problemas econômicos e ambientais.
M.M Trezzi +5 more
doaj +1 more source
Assessing impacts of drought on weed communities in the Great Lakes region
Abstract Drought can alter weed occurrence, interference with crops, and act as ecological filters altering community structure. Precipitation patterns in the Great Lakes region of the United States are predicted to vary due to climate change, and understanding the impact of drought on weed communities can support effective management practices.
Ednaldo A. Borgato +2 more
wiley +1 more source
Differential growth of glyphosate-resistant and susceptible biotypes of Conyza SPP [PDF]
Este trabalho foi realizado com o objetivo de comparar, em condição controlada e não-competitiva, o crescimento de biótipos de Conyza canadensis e C. bonariensis resistente e suscetível ao herbicida glifosato, a fim de quantificar os efeitos da pressão ...
CARVALHO, Saul Jorge Pinto de +3 more
core +2 more sources
Cereal rye biomass effects on giant ragweed suppression inform management decisions
Abstract Giant ragweed (Ambrosia trifida L.) has become one of the most troublesome weeds across the US Midwest partially due to its early emergence, high competitiveness, and herbicide resistance evolution. This study aimed to determine the amount of cereal rye (Secale cereale L.) biomass needed to suppress giant ragweed establishment and growth.
Guilherme Chudzik +4 more
wiley +1 more source
A germinação das sementes pode ser fortemente influenciada pelas condições ambientais, afetando o estabelecimento de comunidades florísticas. As plantas daninhas, apesar das características de rusticidade e capacidade de suas sementes germinarem em ...
Oscar Mitsuo Yamashita +1 more
doaj +1 more source
Don’t Delay the Burndown Application [PDF]
The late arrival of spring has everyone ready to hit the fields running when fields finally dry out. Some will be tempted to forgo applying herbicides prior to planting to ensure fields get planted in case another wet period arrives.
Hartzler, Robert G.
core +2 more sources
Glyphosate-Resistant Parthenium hysterophorus in the Caribbean Islands: Non Target Site Resistance and Target Site Resistance in Relation to Resistance Levels [PDF]
Glyphosate has been the most intensely herbicide used worldwide for decades, and continues to be a single tool for controlling weeds in woody crops. However, the adoption of this herbicide in a wide range of culture systems has led to the emergence of ...
Enzo Bracamonte +3 more
core +1 more source
Targeted cattle grazing for shrub control in woody‐encroached oak savannas
Woody encroachment threatens savanna ecosystems around the world. In the midwestern United States, remnant oak savannas persist in a woody‐encroached state due to the removal of grazing and fire disturbances from the landscape. Primary oak savanna restoration methods, such as thinning and fire, can promote a dense shrub layer.
Austin M. Yantes +2 more
wiley +1 more source
A buva (Conyza canadensis e C. bonariensis) é uma planta daninha de importância crescente no Brasil. Essas espécies ocorrem em diversas regiões do mundo, sendo importantes infestantes de culturas perenes e anuais sob sistema de semeadura direta, cultivo ...
O.M. Yamashita, S.C. Guimarães
doaj +1 more source
The importance of an even start [PDF]
Providing the crop an even start with weeds is still the first step in successful weed management, although the importance of this practice has diminished in many farmers\u27 minds.
Hartzler, Robert G.
core +2 more sources

