Results 81 to 90 of about 68,307 (285)

Key aspects on the biology, ecology and impacts of johnsongrass [Sorghum halepense (L.) Pers] and the role of glyphosate and non-chemical alternative practices for the management of this weed in Europe [PDF]

open access: yes, 2019
Sorghum halepense (L.) Pers is a common and noxious worldwide weed of increasing distribution in many European countries. In the present review, information on the biology, ecology, agricultural, economic and environmental impact of johnsongrass is given,
Antonopoulos, Nikolaos   +9 more
core   +3 more sources

Targeted herbicide spraying systems: role of nozzle type, number of nozzle activation, nozzle orientation, and boom height on spray coverage and weed control

open access: yesPest Management Science, EarlyView.
Targeted herbicide application technology performance depends on sprayer configuration. Across five studies, activation of multiple, overlapping nozzles and maintaining appropriate boom height consistently improved spray coverage and weed control, highlighting the importance of optimized sprayer setup for effective and reliable weed control.
Zaim Ugljic   +3 more
wiley   +1 more source

Short-term Response of Holcus lanatus L. (Common Velvetgrass) to Chemical and Manual Control at Yosemite National Park, USA [PDF]

open access: yes, 2015
One of the highest priority invasive species at both Yosemite and Sequoia and Kings Canyon national parks is Holcus lanatus L. (common velvetgrass), a perennial bunchgrass that invades mid-elevation montane meadows.
Brooks, Matthew L.   +3 more
core   +1 more source

Developing capabilities in the seed industry: which direction to follow? [PDF]

open access: yes, 2014
Since the 1990s, many developing country policy makers have assumed that plant genetic engineering represents the only technological frontier in seed innovation; that it has been the leading technology for improving seeds and agricultural performance in ...
Marin, Anabel   +2 more
core   +2 more sources

Glyphosate

open access: yes, 2018
Glyphosate is the most widely used herbicide in the world. Globally, 6.1 billion kilograms have been applied in the last decade alone. In 2015, the International Agency for Research on Cancer (IARC), classified glyphosate as ‘probably carcinogenic to humans’.
openaire   +2 more sources

Glyphosate persistence in seawater

open access: yesMarine Pollution Bulletin, 2014
Glyphosate is one of the most widely applied herbicides globally but its persistence in seawater has not been reported. Here we quantify the biodegradation of glyphosate using standard "simulation" flask tests with native bacterial populations and coastal seawater from the Great Barrier Reef.
Mercurio, Philip   +4 more
openaire   +3 more sources

Target‐site and non‐target‐site mechanisms confer multiple herbicide resistance in waterhemp (Amaranthus tuberculatus) accessions from Wisconsin

open access: yesPest Management Science, EarlyView.
The A101 accession is the first confirmed case of hydroxyphenyl pyruvate dioxygenase resistance in Amaranthus tuberculatus in Wisconsin, and the first report of P450s associated with atrazine resistance in A. tuberculatus globally. Abstract BACKGROUND A preliminary screening identified a multiple herbicide‐resistant waterhemp, Amaranthus tuberculatus ...
Felipe A. Faleco   +8 more
wiley   +1 more source

Evaluating weed control in dicamba, glyphosate, and glufosinate-resistant sugar beet in the western United States

open access: yesWeed Technology
Sugar beet with three-way resistance to dicamba, glufosinate, and glyphosate may provide sugar beet growers with additional herbicide options for management of glyphosate-resistant (GR) weed species such as Palmer amaranth and kochia.
Abraham Akuoko   +4 more
doaj   +1 more source

Modelo de la dinámica poblacional de Anoda cristata en un cultivo de soja resistente a glifosato bajo diferentes sistemas de manejo [PDF]

open access: yes, 2007
Se desarrolló un modelo de simulación de la dinámica del banco de semillas de Anoda cristata (L.) Schlecht en un cultivo de soja. El modelo considera distintas estrategias de manejo: ausencia de control, control con la dosis recomendada y con la mitad de
Orioli, Gustavo Adolfo   +3 more
core   +1 more source

Evolutionary-thinking in agricultural weed management [PDF]

open access: yes, 2009
Agricultural weeds evolve in response to crop cultivation. Nevertheless, the central importance of evolutionary ecology for understanding weed invasion, persistence and management in agroecosystems is not widely acknowledged.
Ainsworth   +140 more
core   +2 more sources

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