Results 21 to 30 of about 687 (182)

Persistence of PPO mutations and dynamics of Amaranthus palmeri resistance to PPO-inhibitor herbicides in a decade. [PDF]

Pest Manag Sci
Over a decade, Arkansas Amaranthus palmeri populations maintained resistance to PPO‐inhibiting herbicides. PPO2 mutations relate to shifts in herbicide resistance patterns over time. Abstract BACKGROUND Amaranthus is a highly troublesome weed genera globally.
Dhaka P, Rangani G, Porri A, Meiners I, Scott RC, Roma-Burgos N.   +5 more
europepmc   +2 more sources

Evaluation of the phytotoxic and antifungal activity of C₁₇ -sesquiterpenoids as potential biopesticides. [PDF]

Pest Manag Sci, 2022
C17‐sesquiterpenoids exhibited strong phytotoxic and antifungal activity. The lack of the α‐methylene‐γ‐butyrolactone system in their structure did not extinguish their bioactivities. Abstract BACKGROUND Natural products are a promising source for the development of new pesticides with alternative mechanisms of action.
Cárdenas DM, Bajsa-Hirschel J, Cantrell CL, Rial C, Varela RM, Molinillo JMG, Macías FA.   +6 more
europepmc   +2 more sources

Accumulation of Photodynamic Tetrapyrroles Induced by Acifluorfen-Methyl [PDF]

Plant Physiology, 1988
Treatment with acifluorfen-methyl (AFM), methyl 5-(2-chloro-4-[tri-fluoromethyl] phenoxy)-2-nitrobenzoate, inhibited protochlorophyllide synthesis in dark-held, delta-amino levulinic acid-fed, excised cotyledons of cucumber (Cucumis sativus L.). Protochlorophyllide and protoporphyrin IX levels in AFM-treated cotyledons were inversely related and ...
D A, Witkowski, B P, Halling
openaire   +5 more sources

Epoxy tetrahydrophthalimides as potential bioactive agents: synthesis and computational study. [PDF]

Pest Manag Sci
Epoxy tetrahydrophthalimides were synthesized and evaluated for phytotoxic activity. Some compounds showed greater inhibition than S‐metolachlor against Sorghum bicolor. Docking studies indicated interaction with mitogen‐activated protein kinase, suggesting it as a potential target.
Amorim Torrent KB, Baia VC, Gomes LS, Castro ER, Carneiro VMT, Alvarenga ES.   +5 more
europepmc   +2 more sources

Thirty years of glyphosate-resistant crops and weeds: Current situation and future prospects. [PDF]

Pest Manag Sci
Since 1996, when the first glyphosate‐resistant crop was commercialized and the first resistant weed was reported, resistance has expanded globally. This review analyzes emergence patterns across weed species, crops, regions, resistance mechanisms, and herbicides.
Alcántara-de la Cruz R, Guidi YM, Ramirez-Castillo M, Adegas FS, Carbonari CA, Velini ED, De Prado R, Duke SO.   +7 more
europepmc   +2 more sources

Response of peanut (Arachis hypogaea L.) to sublethal rates of dicamba plus glyphosate at different growth stages

Agronomy Journal, Volume 115, Issue 4, Page 1694-1704, July/August 2023., 2023
Abstract The widespread adoption of dicamba‐resistant crops has increased the applications of newer dicamba formulations for weed control. However, there is a concern for potential off‐target injury and yield reduction to peanuts (Arachis hypogea L.) planted in close proximity to dicamba‐resistant crops.
Olumide S. Daramola, Prasanna Kharel, Joseph E. Iboyi, Pratap Devkota   +3 more
wiley   +1 more source

Late postemergence glufosinate‐based programs for glyphosate‐resistant Palmer amaranth control in dicamba/glufosinate/glyphosate‐resistant soybean

Agrosystems, Geosciences &Environment, Volume 6, Issue 2, June 2023., 2023
Abstract Glyphosate‐resistant (GR) Palmer amaranth (Amaranthus palmeri S. Watson) is widespread in the Central Great Plains. Introduction of newly developed dicamba/glufosinate/glyphosate (DGG)‐resistant soybean varieties allows postemergence (POST) applications of dicamba and glufosinate for in‐season control of GR Palmer amaranth. Limited information
Vipan Kumar, Jatinder S. Aulakh, Rui Liu, Amit J. Jhala   +3 more
wiley   +1 more source

Inhibition profile of trifludimoxazin towards PPO2 target site mutations

Pest Management Science, Volume 79, Issue 2, Page 507-519, February 2023., 2023
Protoporphyrinogen IX oxidase (PPO)‐inhibiting herbicide resistance is mainly endowed by target site mutations. Amaranthus plants may contain more than one PPO target site mutation. Trifludimoxazin is effective in controlling PPO enzymes carrying double mutations.
Aimone Porri, Michael Betz, Kathryn Seebruck, Michael Knapp, Philipp Johnen, Matthias Witschel, Raphael Aponte, Rex Liebl, Patrick J. Tranel, Jens Lerchl   +9 more
wiley   +1 more source

Effect of Pesticides on Peroxisome Proliferator‐Activated Receptors (PPARs) and Their Association with Obesity and Diabetes

PPAR Research, Volume 2023, Issue 1, 2023., 2023
Obesity and diabetes mellitus are considered the most important diseases of the XXI century. Recently, many epidemiological studies have linked exposure to pesticides to the development of obesity and type 2 diabetes mellitus. The role of pesticides and their possible influence on the development of these diseases was investigated by examining the ...
J. Hernández-Valdez, A. Velázquez-Zepeda, J. C. Sánchez-Meza, Stéphane Mandard   +3 more
wiley   +1 more source

What makes a molecule a pre‐ or a post‐herbicide – how valuable are physicochemical parameters for their design?

Pest Management Science, Volume 77, Issue 11, Page 4863-4873, November 2021., 2021
A high number of parameters influence the fate of herbicides. General characteristics of pre‐ or post‐emergence herbicides can therefore not be defined yet. Abstract Pre‐emergence herbicides are taken up by seeds before germination and by roots, hypocotyls, cotyledons, coleoptiles or leaves before emergence, whereas post‐emergence herbicides are taken ...
Hansjörg Krähmer, Helmut Walter, Peter Jeschke, Klaus Haaf, Peter Baur, Richard Evans   +5 more
wiley   +1 more source