Results 61 to 70 of about 4,843 (255)

Retro‐Hetero‐Michael Addition Strategies in Organic Synthesis

European Journal of Organic Chemistry, EarlyView.
In this review, synthetic approaches to carbo‐ and heterocyclic compounds, including natural products, published in the last 15 years (2011–2025) which have either relied upon or included a retro‐hetero‐Michael addition step at any stage are discussed.
Dina Scarpi, Ernesto G. Occhiato
wiley   +1 more source

Chiral HPLC Separation of Phosphonothrixin and Phosphonate Derivatives and Electronic Circular Dichroism Characterization of the Isolated Enantiomers

ELECTROPHORESIS, EarlyView.
Natural compound phosphonothrixin's herbicidal activity resides exclusively in its (S)‐enantiomer, yet existing enantioselective syntheses are cumbersome, and direct chiral LC separation is hampered by the compound's high polarity, lack of aromatic groups, and metal chelation–induced peak tailing.
Mirna Maalouf, Maximilian Knab, Leon Gessner, Marc Engelhardt, Stella Friedrich, Harald Gross, Frank Boeckler, Chambers C. Hughes, Michael Lämmerhofer   +8 more
wiley   +1 more source

Integrating fall‐planted cereal rye cover crop with herbicides for reducing Palmer amaranth seed production in soybean under planting green conditions

Agrosystems, Geosciences & Environment
Cover crops are usually terminated prior to planting the cash crop; however, “planting green” is an alternative approach that allows growers to plant cash crop into an actively growing, green cover crop, which is then terminated after the establishment ...
Trey Stephens, Humberto Blanco‐Canqui, Stevan Z. Knezevic, Jenny Rees, Katja Kohler‐Cole, Amit J. Jhala   +5 more
doaj   +1 more source

Effect of herbicide application timing and sequence on waterhemp (Amaranthus tuberculatus) and common lambsquarters (Chenopodium album) control, Enlist E3® soybean yield, and economic returns

Weed Technology
Enlist E3® soybean is resistant to 2,4-D, glyphosate, and glufosinate, allowing postemergence applications of these herbicides sequentially or as tank mixes.
Navjot Singh, Ryan P. Miller, Thomas J. Peters, Seth L. Naeve, Debalin Sarangi   +4 more
doaj   +1 more source

Cytotoxicity of 19 Pesticides in Rainbow Trout Gill, Liver, and Intestinal Cell Lines

Environmental Toxicology and Chemistry, EarlyView.
Abstract The rainbow trout gill cell line (RTgill‐W1), via test guideline 249 of the Organisation for Economic Co‐operation and Development, has been established as a promising New Approach Methodology, although to advance confidence in the method more case studies are needed that: 1) expand our understanding of applicability domains (chemicals with ...
Sophie Emberley‐Korkmaz, Krittika Mittal, Na'im Temlock, Jessica Head, Niladri Basu   +4 more
wiley   +1 more source

Herbicide-Based Weed Management Programs in Erect, Thornless Blackberry

International Journal of Fruit Science, 2015
Field studies were conducted in 2009/2010 and 2011 in North Carolina to determine the influence of herbicide-based weed management programs on weed control and blackberry tolerance. Treatments consisted of five programs with a late fall-early winter herbicide application followed by (fb) an early spring herbicide application: flumioxazin fb flumioxazin,
Stephen L. Meyers, Katherine M. Jennings, David W. Monks, Wayne E. Mitchem   +3 more
openaire   +1 more source

Breeding switchgrass for reduced nitrogen demand

Grassland Research, EarlyView.
Breeding has improved switchgrass biomass yield, but productivity is still heavily dependent on nitrogen fertilizer application. The genetic diversity needed to improve nitrogen use efficiency of switchgrass remains underused, mainly because of the slow and laborious breeding process, thus leaving the crop's high nitrogen demand as a major barrier to ...
Michael D. Casler, Prabin Bajgain
wiley   +1 more source

Health Biomarkers of Pesticide Exposure in Rural Populations of Santa Fe, Argentina: Oxidative Stress and Genotoxicity

Journal of Applied Toxicology, EarlyView.
ABSTRACT The present study aimed to quantify pesticide residues in environmental matrices and plasma and to evaluate their potential effects on oxidative stress and DNA damage in rural populations of Santa Fe province. Soil and rainwater samples were collected, and biological samples and semistructured surveys were obtained from volunteers in three ...
María Priscila Dechiara, Carlina Leila Colussi, Lucía Magdalena Odetti, Damián Marino, María Fernanda Simoniello   +4 more
wiley   +1 more source

Integrated effect of row spacing and herbicide programs on photosynthetically active radiation, control, and seed production of multiple herbicide‐resistant Palmer amaranth in corn

Agrosystems, Geosciences & Environment
Multiple herbicide‐resistant (MHR) Palmer amaranth has been ranked as the most problematic weed in row crop fields in Nebraska. Integration of narrow row spacing with herbicide might augment control of MHR Palmer amaranth.
Ramandeep Kaur, Nevin C. Lawrence, Yeyin Shi, Parminder S. Chahal, Stevan Z. Knezevic, Amit J. Jhala   +5 more
doaj   +1 more source

Farmers’ Perception on Herbicide Usage and Impact on Health: an Overview of Status Quo in Parts of Benue South, Nigeria

UMYU Scientifica Journal
Herbicide usage has increased significantly.  Its irrational use has adverse side effects.  These side effects threaten the environment and human health.
Grace Onyukwo Abakpa, Agboola Oludare, Adole John Ujoh, David Onyemowo   +3 more
doaj   +1 more source