Results 41 to 50 of about 1,831 (202)

The continuing significance of chiral agrochemicals

open access: yesPest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

Thirty years of glyphosate‐resistant crops and weeds: Current situation and future prospects

open access: yesPest Management Science, Volume 82, Issue 7, Page 5987-6009, July 2026.
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.
Ricardo Alcántara‐de la Cruz   +7 more
wiley   +1 more source

Synthesis and Biological activity of 4-(4,6-Disubstituted-pyrimidin-2-yloxy)phenoxy Acetates

open access: yesMolecules, 2010
Ten novel 4-(4,6-dimethoxypyrimidin-2-yloxy)phenoxy acetates and 4-(4,6-dimethylpyrimidin-2-yloxy)phenoxy acetates were synthesized with hydroquinone, 2-methylsulfonyl-4,6-disubstituted-pyrimidine and chloroacetic ester as starting materials.
Xinhuan Teng   +3 more
doaj   +1 more source

Isolation, Identification, and Herbicidal Activity of Metabolites Produced by Pseudomonas aeruginosa CB-4

open access: yesJournal of Integrative Agriculture, 2014
CB-4, a bacterial strain with highly effective herbicidal activity, was isolated from infected corn leaves. Through morphology, physiological and biochemical tests, and 16S ribosomal DNA gene sequencing methods, CB-4 was identified as Pseudomonas ...
Juan YANG   +4 more
doaj   +1 more source

Optimizing Grain Sorghum (Sorghum bicolor L. Moench) Cultivation in Central Europe: Effects of Seeding Rate, Nitrogen Application and Weed Competition on Hybrid Performance

open access: yesJournal of Agronomy and Crop Science, Volume 212, Issue 4, July 2026.
ABSTRACT Since grain sorghum (Sorghum bicolor L. Moench) is gaining recognition as a climate‐resilient alternative to maize in Central Europe, optimizing the cultivation technology of commercial hybrids has become a key area of research. A 2‐year study (2023–2024) was conducted in Keszthely, Hungary to assess the plant‐ and plot‐level responses of four
Ariel Tóth   +2 more
wiley   +1 more source

Efeitos de hexazinone e diuron, e suas misturas, no controle de capim-de-colchão (Digitaria sanguinalis (L.) Scop) em cana-de-açúcar (Saccharum spp) Effects of hexazinone and diuron and mixtures on crabgrass (Digitaria sanguinalis (L. ) Scop) control on sugarcane (Saccharum spp)

open access: yesPlanta Daninha, 1983
Foi conduzido em 1976 /77, um experimento de campo em área do Centro de Tecnologia da Copersucar, em Piracicaba, SP , com a finalidade de se conhecer o efeito dos herbicidas hexazinone e diuron , assim como o de suas misturas, no controle do capim-de ...
L. S. P. Cruz, M. N. do A. Gurgel
doaj   +1 more source

Green foxtail (Setaria viridis) and puncturevine (Tribulus terrestris) control in imazamox‐, quizalofop‐, and nicosulfuron‐resistant grain sorghum in semiarid Central Great Plains

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 2, June 2026.
Abstract Recent commercialization of herbicide‐resistant (HR) grain sorghum [Sorghum bicolor (L.) Moench] hybrids, including iGrowth, DoubleTeam, and Inzen enables the use of imazamox, quizalofop, and nicosulfuron, respectively, for annual grass weed control.
Midhat Z. Tugoo   +3 more
wiley   +1 more source

Novel 4-Methylumbelliferone Amide Derivatives: Synthesis, Characterization and Pesticidal Activities

open access: yesMolecules, 2018
A series of novel 4-methylumbelliferone amide derivatives were designed, synthesized and characterized by 1H NMR, 13C NMR and HR-ESI-MS. The structures of compounds 4bd and 4be (compounds named by authors) were further confirmed by X-ray single crystal ...
Yan Wei, Kai-Long Miao, Shuang-Hong Hao
doaj   +1 more source

Landscape weed control varies by preemergence herbicide, formulation, and geography

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 2, June 2026.
Abstract Mulch, mechanical removal, and herbicides are the most common weed control practices employed in landscapes. Previous research demonstrated preemergence herbicide efficacy in nurseries, but research in landscapes with and without mulching is limited.
Brandon C. McNally   +7 more
wiley   +1 more source

Algunos aspectos de la biología y manejo de digitaria sanguinalis (l). scop. en asociación con el cultivo del arroz y otras especies adventicias [PDF]

open access: yes, 1998
Para el cultivo del arroz en Colombia se reportan más de 70 especies de malezas que, por orden de competitividad biológica y económica, las malezas gramíneas son las de mayor afección al cultivo.
Forero, Jorge E., Plaza T., Guido A.
core  

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