Weed Control and Herbicide Applications

Insecticide increases glyphosate resistance in Ipomoea purpurea

This study shows that insecticide exposure increases glyphosate resistance in Ipomoea purpurea and weakens selection for glyphosate resistance.

Distribution of target-site resistance mechanisms to nicosulfuron and glyphosate in Amaranthus palmeri accessions from two different regions of Turkiye

The paper examines target-site resistance mechanisms to nicosulfuron and glyphosate in Amaranthus palmeri from two regions in Turkiye, finding regional differences in mutation prevalence and gene copy number.

Tolerance to herbicide drift in "weedy" species is context-dependent and driven by early vegetative growth

This study examines how sublethal herbicide drift affects fitness of weed species across different agro-ecological contexts, finding context-dependent tolerance and links to developmental traits.

First case of three-way multiple herbicide resistance in Amaranthus palmeri outside the Americas: Resistance mechanisms and alternative management strategies

DIFFERENTIAL PHOTOSYNTHETIC RESPONSES TO GLUFOSINATE AMMONIUM IN TWO GRASS WEEDS: Lolium multiflorum AND Echinochloa crus-galli.

This study compares the sensitivity of two grass weeds to glufosinate ammonium, finding that barnyardgrass (C4) shows greater sensitivity than ryegrass (C3) due to differences in photosynthetic metabolism and oxidative stress response.

Fendioxypyracil Exhibits Potent Inhibition of PPO-Resistant Mutant Enzymes and Robust Activity Against PPO-Resistant Amaranthus

This study evaluates fendioxypyracil's efficacy against PPO-resistant Amaranthus mutants and finds it maintains low IC50 values and strong weed control in field trials.

Polygenic adaptation from standing variation underlies rapid evolution under anthropogenic selection in an agricultural weed

The paper analyzes herbicide resistance in blackgrass, showing TSR mutations arose recently while NTSR evolved from pre-existing genetic variation.

Investigating the mechanism of resistance to indaziflam in Poa annua

This study identifies a novel SNP in coatomer subunit gamma and a CYP81A91_A gene as potential contributors to indaziflam resistance in Poa annua through RNA-seq and variant calling.

Resistance to protoporphyrinogen oxidase inhibitor herbicides in giant ragweed (Ambrosia trifida) is associated with a novel R98Q target-site mutation in PPO2

This study identifies a novel R98Q mutation in PPO2 as the target-site resistance mechanism for PPO-inhibitor herbicides in giant ragweed population VRC, while TMS shows resistance without target-site alteration.

Changes in cuticle composition co-regulate drought and herbicide resistance in horseweed (Erigeron canadensis)

This study shows drought stress alters cuticle composition and gene expression in horseweed, reducing glyphosate absorption and increasing herbicide resistance.

Biochemical Characterization of Fatty Acid Thioesterase Target Site Mutants and their Implication on Herbicide Resistance

This study evaluates the potential for target-site resistance to the herbicide cinmethylin by analyzing amino acid substitutions in FAT A and FAT B, finding limited practical risk of resistance evolution.

Phylogenetic signal in herbicide resistance evolvability, and the use of phylogenies to predict herbicide resistance risk

The paper shows phylogenetic signal in herbicide resistance evolvability and demonstrates machine learning models can predict resistance risk using phylogenetic distances.

Novel Protoporphyrinogen oxidase 1 mutations endow resistance to PPO-inhibiting herbicides in Bassia scoparia

This study identifies PPO1 mutations in Bassia scoparia that confer resistance to PPO-inhibiting herbicides, with fomesafen remaining effective against resistant biotypes.

Insights into the molecular mechanism and management of resistant Echinochloa crus-galli biotypes from the Philippines to acetolactate synthase inhibitor bispyribac-sodium

This study identifies resistance mechanisms in Echinochloa crus-galli biotypes from the Philippines to the ALS inhibitor bispyribac-sodium, revealing genetic and metabolic factors contributing to resistance.

Promiscuous cytochrome P450s confer metabolic resistance to synthetic auxin herbicides in the weedy grass Echinochloa phyllopogon

This study identifies promiscuous CYP81A P450 enzymes in Echinochloa phyllopogon that confer resistance to synthetic auxin herbicides through metabolic detoxification.

Integrated multi-omics analysis reveals divergent molecular responses in Palmer amaranth (Amaranthus palmeri) biotypes susceptible and resistant to glyphosate

This study compares molecular responses in glyphosate-resistant and susceptible Palmer amaranth biotypes using multi-omics analysis, revealing distinct metabolic and transcriptional changes.

Metabolomic profiling of glyphosate resistance evolution in green alga Chlamydomonas reinhardtii

This study uses metabolomic profiling to analyze glyphosate resistance evolution in Chlamydomonas reinhardtii, revealing metabolic changes and fitness trade-offs associated with resistance.

Wheat - black-grass competition is a non-zero-sum game influenced by root growth

This study investigates wheat-black-grass competition, finding that black-grass's competitive advantage stems from vigorous root growth during winter, and that crop competitiveness is linked to root growth and not a zero-sum game.

Off target: herbicides applied in cereal fields exclude non-competitive species, while replacing them by competitive weeds.

This study shows herbicide quantity negatively impacts weed abundance and diversity more than application frequency, while fungicide frequency has indirect long-term effects on weed suppression.

Subgenome dominance of ALS target site mutations impacts herbicide resistance in allohexaploid Echinochloa crus-galli

This study examines how subgenome-specific ALS mutations and expression levels affect herbicide resistance in allohexaploid Echinochloa crus-galli.

Extrachromosomal DNA-mediated glutamine synthetase 2 (GS2) amplification enables glufosinate resistance in Amaranthus palmeri

The paper investigates how extrachromosomal DNA (eccDNA) contributes to glufosinate resistance in Palmer amaranth by amplifying the GS2 gene.

A Novel Genomic Rearrangement in the Amaranthus palmeri Extrachromosomal Circular DNA Provides Dual Herbicide Resistance to Glyphosate and Glufosinate

The paper identifies a novel extrachromosomal circular DNA in Amaranthus palmeri that confers resistance to both glyphosate and glufosinate by co-duplicating resistance genes.

Investigating the links between trifluralin persistence in Western Australian soils and trifluralin resistance in resident annual ryegrass (Lolium rigidum) populations

The paper examines the relationship between trifluralin dissipation in Western Australian soils and resistance in annual ryegrass, finding no direct correlation but suggesting soil properties may influence resistance development.

Assessing the probability and time of weed control failure due to herbicide resistance evolution

This study models herbicide resistance evolution in weeds, finding that small fitness costs and self-pollination reduce adaptation from standing genetic variation, and seed banks enhance adaptive potential.

The blackgrass genome reveals patterns of divergent evolution of non-target site resistance to herbicides.

The paper analyzes the blackgrass genome to understand the genetic basis of non-target site herbicide resistance and its evolutionary mechanisms.

Designing safe and potent herbicides with the cropCSM online resource

The paper develops an online tool, cropCSM, using predictive models to identify safe and potent herbicides.

Virus-mediated transient expression techniques enable genetic modification of Alopecurus myosuroides

Virus-mediated transient expression techniques create loss- and gain-of-function mutations in black-grass and show causation between specific genotypes and measurable changes in herbicide resistance.

Fenoxaprop-p-ethyl susceptibility and mutation point detection of acetyl-coa carboxylase (ACCase) in different wild oat (Avena fatua L.) populations from China

The paper investigates fenoxaprop-p-ethyl resistance in wild oat populations by analyzing ACCase activity, gene expression, and mutation sites.