Results 1 to 10 of about 3,231 (199)

Longevity of Horseweed Seed Bank Depending on the Burial Depth [PDF]

open access: yesPlanta Daninha, 2018
: Horseweed (Conyza spp.) is considered as one of the major weeds occurring in the agricultural areas of South America, especially in Brazil. This species stands out from the other weeds due to characteristics such as large seed production, continued ...
A.A.M. VARGAS   +4 more
exaly   +6 more sources

Dynamic Seed Emission, Dispersion, and Deposition from Horseweed (Conyza canadensis (L.) Cronquist) [PDF]

open access: yesPlants, 2022
The wide dispersion of glyphosate-resistant (GR) horseweed (Conyza canadensis (L.) Cronquist: synonym Erigeron canadensis L.) biotypes has been reported in agricultural fields in many states.
Jun Liu   +5 more
doaj   +2 more sources

Bioherbicidal Activity of Albifimbria verrucaria (Formerly Myrothecium verrucaria) on Glyphosate-Resistant Conyza canadensis [PDF]

open access: yesJournal of Fungi, 2023
The effects of the bioherbicidal activity of the fungal phytopathogen, Albifimbria verrucaria (AV), formerly Myrothecium verrucaria, on glyphosate-resistant and –susceptible Conyza canadensis (horseweed) were examined in greenhouse and field studies ...
Robert E. Hoagland   +2 more
doaj   +2 more sources

Biology and Management of Horseweed (Conyza canadensis) in Citrus Groves

open access: yesEDIS, 2022
Horseweed has gained importance in recent years due to reports of the development of herbicide resistance to several modes of action, including glyphosate and paraquat.
Nirmal Timilsina   +3 more
doaj   +5 more sources

Nutrient availability and pH level affect germination traits and seedling development of Conyza canadensis [PDF]

open access: yesScientific Reports, 2021
Reducing pesticide application in agricultural land is a major challenge for the twenty-first century. Responses of weed seed’s germination and seedling’s early development to chemical soil conditions around the seed may be a promising way to aid weed ...
Caroline Maldaner Follmer   +5 more
doaj   +2 more sources

Herbicidas alternativos para controle de biótipos de Conyza bonariensis e C. canadensis resistentes ao glyphosate Alternative herbicides to control glyphosate-resistant biotypes of Conyza bonariensis and C. canadensis [PDF]

open access: yesPlanta Daninha, 2010
Após sucessivos anos, aplicações do herbicida glyphosate em pomares de citros no Estado de São Paulo selecionaram biótipos resistentes de Conyza bonariensis e C. canadensis.
M.S. Moreira   +4 more
doaj   +4 more sources

No evidence for early fitness penalty in glyphosate‐resistant biotypes of Conyza canadensis: Common garden experiments in the absence of glyphosate [PDF]

open access: yesEcology and Evolution, 2019
Strong selection from herbicides has led to the rapid evolution of herbicide‐resistant weeds, greatly complicating weed management efforts worldwide. In particular, overreliance on glyphosate, the active ingredient in RoundUp®, has spurred the evolution ...
Zachery T. Beres   +2 more
doaj   +2 more sources

Effect of Adjuvant on Glyphosate Effectiveness, Retention, Absorption and Translocation in Lolium rigidum and Conyza canadensis [PDF]

open access: yesPlants, 2020
Glyphosate retention, absorption and translocation with and without adjuvant were examined in Lolium rigidum and Conyza canadensis in greenhouse and laboratory settings to develop an understanding of the influence of the selected adjuvant on glyphosate ...
Candelario Palma-Bautista   +6 more
doaj   +2 more sources

Occurrence of Horseweed Biotypes with Low Susceptibility to Glyphosate in the States of Rio Grande do Sul, Paraná and Mato Grosso do Sul, Brazil [PDF]

open access: yesPlanta Daninha, 2019
: Horseweed is an annual cycle weed naturally controlled by the herbicide glyphosate. However, the continued use of this product has selected tolerant and resistant populations.
M.A. RIZZARDI   +3 more
doaj   +2 more sources

Antagonistic Interactions between Dicamba and Glyphosate on Barnyardgrass (Echinochloa crus-galli) and Horseweed (Erigeron canadensis) Control

open access: yesAgronomy, 2022
Dicamba plus glyphosate (DpG) tank mixture has been widely adopted for broad-spectrum weed control. However, recent studies indicated antagonistic interactions between these herbicides.
Estefania G. Polli   +3 more
doaj   +1 more source

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