Researchers at the University of Maryland have developed a genomic method to monitor pesticide resistance in crops, allowing for early detection of emerging threats. The approach identifies specific genes with mutations that can explain toxin resistance, and provides insights into how common strategies may be facilitating resistance.
A new study from Stockholm University found that pesticide linuron causes significant physiological impacts in frogs, including changes in DNA, growth, metabolism, and reproductive systems. The research highlights the profound transgenerational consequences of environmental pollution on amphibian populations.
A study analyzing 610 chemicals found in European watercourses detected 504 substances, including pesticides, pharmaceuticals, and PFAS, with 74% of samples exceeding scientific limit values. The chemical footprint concept quantifies the impact of mixtures on aquatic organisms, highlighting the need for further monitoring and evaluation.
A study has found a strong link between pesticide use and Parkinson's disease in the Rocky Mountain and Great Plains region. The research identified 14 pesticides, including simazine, atrazine, and lindane, that were associated with an increased risk of developing the disease.
A new disinfection technology uses low-temperature plasma to sterilize nutrient solutions in hydroponic farming, reducing the need for chemical pesticides. This innovation promotes environmentally friendly crop cultivation and reduces greenhouse gas emissions.
Researchers found six pesticides and related compounds in kale from small farms in Maryland, but levels were much lower than a concern. The study provides insight into the safety of farm-raised greens and will help identify health risks associated with other fruits and vegetables.
A recent study found that even extremely low levels of pesticide exposure can cause lasting behavioral changes in fish, extending to offspring never exposed firsthand. The impact also raises concerns for all vertebrates, including humans.
Research published in ACS Environmental Science & Technology Letters reveals that exposure to pesticide-treated seeds can adversely affect earthworms' health. Earthworms exposed to non-lethal amounts of insecticides and fungicides showed poor weight gain and mitochondrial DNA damage.
Two new EU-funded projects, PollinERA and WildPosh, will investigate the toxicological and ecological impacts of chemical pollution on terrestrial biodiversity and pollinators. The projects will improve risk assessment tools and characterise exposure routes to pesticides in four European regions.
Scientists at UC Riverside have discovered a tiny worm species that can control crop pests in warm, humid environments. The new Steinernema adamsi nematode is nearly invisible and can kill insects with a low dose, making it a potential alternative to pesticides.
The biodegradable sensor, made from plant-based material, can detect pesticide levels in minutes and has the potential to help assure food safety. The study showed that washing and immersion were insufficient to remove residues of pesticides, highlighting the need for reliable detection methods.
A spatial model predicts pesticide exposure in bumblebees, explaining nearly 75% of the spatial variation. The model uses data on pesticide application and crop characteristics, but not flower attractiveness or chemical persistence.
Researchers have successfully engineered the plant microbiome to boost beneficial bacteria that protect plants from disease. This breakthrough could substantially reduce pesticide use and unlock opportunities to improve plant health.
A systematic testing approach for pesticides minimizes animal suffering while identifying potential harmful effects on brain cells. The four-phase test involves database research, laboratory experiments, animal species tests, and exposure to mice and rats.
A review article links pesticide exposure to an increased risk of developing Parkinson's disease through alterations in the gut microbiota. The authors recommend reducing or replacing agrochemicals and implementing coordinated efforts to develop standardized biomarkers for gut integrity and microbiome changes.
A new study confirms that pesticides commonly used in farmland significantly harm bumblebees. Data from 106 sites across 8 European countries shows that bumblebees encounter multiple pesticides, resulting in fewer offspring and reduced colony performance.
A new European study confirms pesticides harm bumblebees, contradicting current regulations. The research, published in Nature, shows that pesticide use reduces colony production and queen numbers, highlighting the need for more effective pollinator protection.
Health experts argue that Health Canada's secrecy on pesticide data hinders constructive public debates and allows the agrochemical industry to influence policy. The Canadian Medical Association Journal calls for transparency in data about pesticides, citing a need to address potential health risks and ensure safe use of these products.
A new study published in PLOS Neglected Tropical Diseases found that adding small quantities of liquid soap to some classes of pesticides can boost their potency by more than ten-fold. This discovery is promising news as malaria-carrying mosquitoes display an increasing resistance to current insecticides.
A new study from the University of Oxford found that bumblebees cannot taste pesticides in nectar, even at lethal concentrations. Bees rely on taste to avoid contaminated nectar, which poses a significant threat to their survival.
A new study by Cornell University researchers found that higher cannabinoid concentrations in hemp leaves led to proportionately less damage from insect larvae. The study suggests the potential for developing pesticides from cannabinoid extracts, but such uses would be limited to non-edible plants.
A new analysis by Aalto University reveals that industrial agriculture is highly sensitive to shocks in agricultural inputs such as synthetic fertilizers and pesticides. The study models the impacts of these shocks on crop yields and food availability globally, identifying high-risk areas for the greatest yield losses.
A recent study published in ScienceDirect found hundreds of toxic chemicals in recycled plastic pellets from 13 countries. The findings highlight the risks associated with recycling plastics and the need to phase out harmful chemicals. The researchers urge policymakers to take action to limit hazardous chemicals in plastics.
A study by Cornell University found pesticides, herbicides, and fungicides in managed honeybee hives in New York, posing a risk to bee health and the environment. The chemicals, including acaricides and neonics, were detected in nearly all samples, highlighting the need for better protection of pollinators.
Researchers developed an environmental risk score to assess ALS risk and survival using a blood sample, associating several individual pollutants with disease risk. A mixture of pesticides in the blood significantly increased ALS risk, with those in the highest group having twice the risk as those in the lowest.
A study by researchers at the University of Illinois found a significant relationship between soy expansion and childhood leukemia deaths in Brazil. Pesticide use in the region has been linked to increased cancer mortality, with an estimated 123 children under 10 dying from ALL associated with pesticide exposure between 2008 and 2019.
A new study review found children from families with low incomes and families of color are exposed to more neurotoxic chemicals, leading to greater harm on brain development. This disparity is attributed to their neighborhoods being located near factories, chemical plants, highways, and agricultural fields where pesticides are applied.
Researchers at the University of California San Diego have developed nanoparticles that can deliver pesticide molecules to soil depths previously unreachable, targeting root-damaging nematodes. The technology holds promise for enhancing treatment effectiveness while minimizing costs and environmental toxicity.
The study reveals that different bee species may be exposed to pesticides differently, complicating assessments of pesticide risk. Neonicotinoid detection increased with wild plant presence in bumble bee pollen, highlighting the need for further investigation.
A survey of 10,981 US adults found that toxic molds, fossil fuels, and antibiotics are common causes of chemical intolerance. The study suggests that reducing exposure to mold, pesticides, and other contaminants may help prevent future cases.
A new tool helps evaluate pesticide toxicity at high resolution and suggests targeting a few pesticides in watersheds could significantly reduce aquatic toxicity in California. The Environmental Release Tool (ERT) quantifies pesticide applications and toxicity by watershed, covering hundreds of commodities.
SourcePLOS·JournalPLOS Water·TypeComputational simulation/modeling·DateAug 9, 2023
Researchers developed enzyme-free fluorescence probes for visual detection of carbamate and organophosphorus pesticides, achieving low detection limits and expanding chemical-sensitive luminescent materials' applications in environmental protection and food safety.
A Penn State research team is studying the effectiveness of riparian buffers in mitigating excess nutrients, sediments, and pesticides in streams. The study aims to identify areas where buffers are underperforming and develop solutions for restoring and maintaining buffer integrity.
Research shows bat activity decreases when farms switch to organic agriculture, with a potential time-lag before benefits for the environment emerge. The findings suggest that organic farming can have detrimental effects during the transition period, highlighting the need for careful management.
A new study analyzed existing research on bee-protective measures and found that many common methods are backed by minimal scientific evidence. Researchers urge stronger testing to evaluate effective measures and warn of potential waste of time if ineffective.
Approximately 70,000 tonnes of pesticides leach into aquifers each year, impacting ecosystems and freshwater resources. The study showed that about 80 percent of applied pesticides degrade into daughter molecules, persisting in the environment for a long time and posing significant harm to marine wildlife and coral reefs.
Researchers found that ahiflower oil supplementation can recover mitochondrial respiration rates in honey bees exposed to imidacloprid, a common neonicotinoid pesticide. This study suggests the potential for food supplements to decrease honey bee mortalities caused by pesticides.
A new study found that Kenyan smallholder papaya farmers are willing to adopt biological control methods to combat the papaya mealybug. Farmers demonstrated high levels of awareness of the negative impacts of chemical pesticides, but lacked knowledge and support for biological control.
SourceCABI·JournalCABI Agriculture and Bioscience·TypeExperimental study·DateJun 15, 2023
A recent study has identified 53 pesticides linked to an increased risk of Parkinson's disease, with exposure to multiple chemicals combined being more toxic than any single pesticide. The researchers also found that specific pesticides can directly harm dopamine neurons, a key finding for the development of new therapeutic strategies.
The study investigates toxic effects of pesticides (chlorpyrifos, acetochlor, dicofol) on S. costatum growth and chlorophyll-a content, revealing varying toxicity levels among the pesticides. Marine microalgae partially degrade pesticides, with acetochlor showing stronger persistence.
Researchers at UCLA and Harvard have identified 10 pesticides toxic to dopaminergic neurons, which play a key role in voluntary movement. The study used California's pesticide use database and found that co-exposure of certain pesticides increased toxicity, with combinations involving herbicides like trifluralin producing the most harm.
A study analyzing locust temperature and behavior found the best time to apply biopesticides is when they are young, around 20 days after hatching. This timing ensures optimal conditions for effectiveness, as locusts have lower body temperatures in this stage.
A recent study in Heilongjiang Province, China found a significant positive correlation between farmers' adoption of organic fertilizer and biopesticides. The technical environment played a crucial role in promoting their adoption, with factors such as training, accessibility, and information exchange increasing the likelihood of adopt...
Exposure to pyrethroid pesticide deltamethrin during pregnancy and lactation causes reduced cognition, increased repetitive behaviors, and altered dopamine levels in mice offspring. These findings suggest that exposure to pyrethroid pesticides may contribute to neurodevelopmental disorders in humans.
Experts warn that the UK's free trade deal with CPTPP will make it harder to regulate tobacco and alcohol, ban products containing harmful pesticides, and enact policies to cut consumption of unhealthy food and drinks. A health impact assessment is needed to evaluate the potential benefits and harms of this deal.
A new study suggests that increased awareness of biopesticide market availability, efficacy, and field application processes could help tackle locust outbreaks in China. The researchers argue that future studies should focus on modeling the expected impact and cost effectiveness of chemicals versus biopesticides.
Researchers at the Earlham Institute have successfully engineered tobacco plants to produce moth sex pheromones using precision gene engineering techniques. The production of these molecules can be efficiently managed without hampering normal plant growth, providing a potential alternative to traditional pesticides.
A new pesticide exposure test has been developed to help protect the health and safety of agricultural workers, particularly those in the emerging cannabis industry. The test uses a bio solid-phase microextraction method that can detect ultra-trace levels of pesticide residues in human blood plasma.
Researchers at the University of São Paulo developed a kraft paper-based electrochemical sensor that can detect traces of pesticides in fruit and vegetables in real time. The device resembles a glucometer and has been shown to be highly sensitive, fast, and inexpensive.
Researchers analysed wastewater from 10 cities to detect chemical and biological markers of health, including pesticides, pharmaceuticals and disease-causing viruses. The study found that analysing wastewater on a large scale could spot new outbreaks of diseases in communities early on.
A new study suggests that climate change could lead to increased pesticide toxicity on bee populations and their pollination services. Environmental temperature can influence the degree to which pesticides affect bees' behavior, with certain temperatures causing a 'tipping point' in their ability to tolerate pesticide exposure.
A recent study found that organophosphate pesticides used to control desert locusts in Eastern Africa had devastating impacts on honey production, pollinators, and ecosystems. The campaign led to a 78% decline in honey production and an estimated loss of US$500 million in revenue.
Researchers have developed a microneedle-based drug delivery technique for plants, which can precisely deliver controlled amounts of agrochemicals to specific plant tissues. This method has the potential to improve crop quality and disease management while minimizing resource wastage and environmental contamination.
Researchers propose a practical framework for managing the risks of biopesticide resistance evolution, suggesting that farmers can help by planting a wider diversity of crops and using multiple biopesticides. This approach aims to reduce the spread of resistance and keep biopesticides effective in the long term.
A new CABI-led study found that mass media campaigns improve farmers' knowledge of pesticide risks and safety measures, boost the adoption of environmentally safer alternatives to synthetic pesticides. The campaigns also increase the use of personal protective equipment and reduce pesticide-related illnesses.
SourceCABI·JournalJournal of Rural Studies·TypeExperimental study·DateMar 13, 2023
A new CABI-led study suggests that biopesticides are more effective and environmentally friendly than chemical pesticides for controlling the fall armyworm. The researchers found that untreated plots showed higher larval density and plant damage, while biopesticide treatments showed lower parasitism rates.
SourceCABI·JournalJournal of Pest Science·TypeExperimental study·DateMar 2, 2023
Researchers at Aarhus University have found an enzyme, C-P lyase, in E. coli bacteria that can degrade highly stable chemicals, including pesticides like RoundUp. The enzyme uses energy from ATP to open and close a 'nutcracker' mechanism that traps and breaks down troublesome chemicals.
Researchers found that two common strawberry fungicides can impact cellular mechanisms, creating berries with subdued flavor and sweetness. The study suggests that the use of these pesticides could be to blame for the blander taste of strawberries.
Researchers have discovered licorice leaf extract as a potent bactericide and fungicide, offering a sustainable alternative to synthetic pesticides. The extract modulates plant immune responses to pathogens and acts against resistant oomycetes, making it a potential solution for naturally controlling plant diseases.
Researchers at the University of Turku found that reducing pesticide pollution and harvesting intensity can increase crop yields and contribute to climate change mitigation. By optimizing carbon sequestration and storage in soils, farmers can improve plant resilience and productivity, while minimizing environmental harm.