Articles tagged with Fungicides
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Researchers analyzed pollinators and fish for changes in behavior after exposure to plant protection products. Exposure to insecticides, herbicides, and fungicides altered nectar processing in honeybees and brood care behavior in zebrafish.
A new study by Environmental Working Group found that consuming certain fruits and vegetables can increase pesticide levels in people's bodies. The study suggests that everyday food choices can drive significant pesticide exposure and highlights the need for safer food systems.
Researchers have discovered that Phytophthora infestans can quickly acquire and lose resistance to mefenoxam, a common fungicide used to manage the disease. The pathogen uses a defense mechanism known as pleiotropic drug resistance, which activates cellular pumps to eject the fungicide.
Commercial broccoli seeds can carry a fungal pathogen with cross-resistance to multiple fungicides, threatening disease management. The study highlights the need for seed health testing programs to detect and mitigate fungicide resistance.
A recent study reveals that foliar fungicides can alter the composition of beneficial fungi in corn leaves, highlighting the need to reassess crop management strategies. The research also suggests that sustainable practices promoting beneficial microbes could enhance crop resilience and yield.
A mathematical model was developed to calculate the economic and environmental costs of fungicide resistance in agriculture. The study found that yields can increase or decrease depending on the context, and that expensive fungicides can actually reduce costs.
A national study found children aged 2-4 years in the US are exposed to a wide range of hazardous chemicals, including phthalates and pesticides, which can interfere with hormone development and immune function. The research emphasizes the need for expanded biomonitoring and stronger regulations to protect children from harmful exposures.
A recent study published in Science found that only a small fraction of potentially environmentally relevant chemicals are monitored. The researchers analyzed large datasets to assess the environmental risks of highly toxic chemicals, highlighting the limitations of current chemical monitoring.
Researchers at Macquarie University have discovered that cannabis-derived compounds Cannabidiol (CBD) and Cannabidivarin (CBDV) are effective against a range of fungal pathogens, including Cryptococcus neoformans and dermatophytes. The findings open the door to possible new treatments for these fungal infections.
The latest focus issue of Molecular Plant-Microbe Interactions explores the molecular, cellular, and genomic details of cereal crop diseases, highlighting key research on plant-pathogen interactions. Groundbreaking work has advanced the field, offering new insights into disease resistance and management strategies.
A new study confirms copper-based fungicides as a reliable solution for aerial stem rot in potatoes. The research found that copper fungicide treatments consistently slowed disease spread and improved yields over a 10-year period.
A French study found that chronic exposure to the fungicide tebuconazole impairs offspring growth and survival in farmland birds. Sparrow chicks exposed to realistic concentrations of tebuconazole showed reduced growth and doubled mortality rates, particularly females.
A comprehensive global study reveals pesticides are a major contributor to the biodiversity crisis, affecting over 800 species of plants, animals, fungi, and microbes. The research highlights the need for policies and practices to reduce pesticide use, including regenerative agriculture and Integrated Pest Management.
Researchers have identified 22 pesticides consistently linked to prostate cancer incidence across US counties, including 2,4-D. Four pesticides are also associated with increased prostate cancer mortality rates.
A new study explores clauses in pollination contracts that could make them more appealing to beekeepers, including pesticide protection and cover crop options. Beekeepers valued these features, particularly those protecting against pesticide exposure, with discounts ranging from $6 to $8 per colony.
Research found that combining neonicotinoids with fungicides significantly increased mortality of bee larvae, while also affecting adult honeybee survival rates and lifespan. The study suggests that solitary wild bees may be more vulnerable to pesticide effects due to their smaller colony size.
Mithila Jugulam has been appointed Co-Editor-in-Chief of Pest Management Science, bringing expertise in weed physiology and molecular biology. She aims to foster interdisciplinary collaboration and innovation, while maintaining the journal's commitment to scientific rigor and editorial integrity.
Researchers discovered that azole fungicides kill fungal pathogens by initiating self-destruction through two pathways: apoptosis and macroautophagy. This mechanism explains why azoles are losing effectiveness against resistant fungal strains.
Plant scientists have discovered a sophisticated RNA defense system that plants use to attack gray mold cells, sending mRNA molecules that disrupt fungal cellular processes. This innovative approach could lead to the development of eco-friendly fungicides with minimal environmental impact and no harm to humans or animals.
Researchers found that pesticide-adjuvant combinations used in almond orchards can interfere with honey bee communication. The study suggests that these chemicals can alter the antennal responses to brood and alarm pheromones, potentially disrupting colony function.
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 at Cornell University have discovered a new grape downy mildew resistance gene that is one of the strongest found globally. The discovery could help breeders develop more resistant grape varieties, reducing the need for fungicides and their associated costs.
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.
Gray mold is a fungus that causes billions of dollars in crop losses each year, but researchers have discovered a way to control it without using toxic chemicals. The discovery reveals that gray mold uses lipid 'bubbles' to deliver RNA molecules that silence plant immune systems.
Research shows that wild birds in vineyards are highly susceptible to triazole fungicide contamination, disrupting hormones and metabolism, impacting reproduction and survival. Vineyards use significantly more fungicides than other crops, posing a unique threat to bird populations.
Experts warn that fungal disease in crops could lead to unprecedented challenges in food production, causing losses equivalent to enough food for millions of people. The increasing prevalence of fungal infections is due to rising temperatures and the development of resistance to antifungals.
Researchers have uncovered the ancient roots of a gene in wheat that provides resistance to the devastating Wheat Yellow Mosaic Virus, which causes significant economic losses. The discovery could lead to more resistant wheat cultivars, increased crop yields, and reduced use of harmful fungicides.
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 at UC Berkeley discovered that a fungus secretes an enzyme that punches holes in rice leaves, making it vulnerable to chemical blockers. The team is now screening chemicals to find ones that block the enzyme's ability to digest plant cell walls.
Researchers at Leibniz-HKI discovered keanumycins in bacteria of the genus Pseudomonas, effective against plant fungal diseases like grey mould rot and human-pathogenic fungi like Candida albicans. The natural product could be an environmentally friendly alternative to chemical pesticides.
Researchers found that simultaneously acting global change factors decrease grassland plant community diversity, regardless of individual factor quality. This effect is linked to increased biomass production due to the influence of highly influential factors like eutrophication.
Researchers discovered that two approved insecticides can damage honey bees' intestinal flora, making them more susceptible to disease. The study highlights the need for rigorous research on pesticide effects on beneficial insects before approval.
A pooled data analysis found that workplace exposure to gases, fumes, and aromatic solvents is associated with a decline in lung capacity. Regular check-ups are recommended for workers in these environments to prevent respiratory illness.
Scientists have discovered a way to control Panama disease in bananas using specialized anti-fungal chemistries, providing hope for the global banana supply. The study's findings reveal that these chemistries can suppress the disease and maintain plant health, opening new avenues for efficient control strategies.
Scientists are conducting a first-of-its-kind study to investigate the origin of psychedelic compounds in fungi, including psilocybin found in 'magic mushrooms'. The research aims to understand the evolution of these compounds and their potential applications in medicine and conservation.
A new study urges regulators to take a closer look at the health and safety risks of the growing medicinal and recreational cannabis market. The research team found that many pesticides in cannabis cultivation were highly unlikely to be used, but still detected, highlighting the need for stricter regulations.
Researchers have identified a novel chromosomal section that confers resistance to both crown rust and powdery mildew diseases in oats. This breakthrough finding has the potential to improve oat yields and reduce disease susceptibility, benefiting human consumption and livestock production.
A study found that apples and other fruits can host drug-resistant, pathogenic yeasts on surfaces, including Candida auris. The fungicides used to prolong shelf life may select for these resistant strains, increasing the risk of transmission.
Illinois researchers identified two tropical corn germplasm lines showing promising levels of tar spot resistance, regardless of location. The study developed a new method for scoring tar spot incidence and severity, which will aid breeding programs. The findings suggest resistant hybrids are key to managing the disease long-term.
Research from the University of Georgia reveals that compounds used to fight fungal diseases in plants are causing resistance to antifungal medications used to treat people. The study found 12 strains of Aspergillus fumigatus resistant to both agricultural and clinical azole fungicides, suggesting a link between environmental and human...
A new study from UC Berkeley suggests that copper in soil and seawater acts as a catalyst for producing two potent halocarbon compounds that destroy ozone. The compounds, methyl bromide and methyl chloride, are major contributors to stratospheric ozone depletion and have puzzled scientists for over 20 years.
A new inoculation method can identify resistance against one of the CLB pathogens, allowing breeders to select candidates for genetic material against the disease. This method uses detached leaflets for inoculation and offers an advantage in small experimental designs, enabling screening of soybean genetic materials.
Research reveals a lag of 5-10 years between reduced fungicide use and decrease in fungicide-resistant pathogens. The study's findings provide insights into the impact of fungicide resistance on global distributions of pathogens.
To combat basil downy mildew, researchers recommend using resistant basil varieties, as well as environmental modifications like keeping leaves dry and dehumidifying the air. Fungicides are also effective in controlling the disease, but their use must be alternated to prevent resistance development.
A German study reveals that glyphosate and dozens of other pesticides are spreading through the air for miles into national parks and cities. The analysis was published in a peer-reviewed journal and shows that agricultural toxins like glyphosate are classified as probably carcinogenic to humans by the World Health Organisation.
Researchers have successfully used double-stranded RNA (dsRNA) molecules as a bio-fungicide to suppress the production of a toxin in soybean plants. The study found that dsRNAs produced in bacterial cells can effectively manage fungal diseases, reducing the need for toxic chemicals and potentially mitigating fungicide resistance.
Researchers discovered azole-resistant Aspergillus fumigatus strains isolated from a tulip bulb have genetic recombination and resistance to multiple fungicide classes. Plant bulbs serve as an ideal niche for the pathogens to evolve their resistance, posing a global health threat.
Researchers at UC Riverside identified proteins that bind to small RNAs, loading them into extracellular vesicles and enhancing the delivery of gene-silencing RNAs. This breakthrough could lead to more efficient disease control and aid human therapies.
Researchers have identified 13 efficient natural and semi-synthetic glucosinolate derivatives as effective fungicides against widespread fungal plant pathogens. These compounds exhibit strong synergistic fungitoxic effects when used in combination.
A new project led by Kaitlin Gold aims to develop management strategies for grape downy mildew fungicide resistance in New York state. The team will test non-CAA fungicides and create extension materials for grape growers to mitigate the issue of emerging resistance.
Researchers from the University of Nottingham have created a novel solution to combat fungi using a non-toxic polymer coating that reduces attachment of fungal pathogens. The coating, made from (meth)acrylate polymers, has shown up to 100% reduction in fungal growth on various surfaces.
Research shows that fungicides Prothioconazole and pydiflumetofen provide effective control of Fusarium wilt in watermelon, regardless of application rate or method. These findings suggest that pydiflumetofen could be used as an additional mode of action for growers, reducing selection for fungicide resistance.
Stemphylium leaf blight has emerged as the most dominant foliar disease in New York onion crops, causing lesions that lead to loss of green leaf area and potentially affecting bulb size and quality. The re-emergence of SLB is attributed to fungicide resistance, leading to its removal from commercial production.
Fungicides can negatively impact aquatic fungi growth, altering their role in decomposing organic matter and as a food source for higher trophic levels.
Research found that combining insecticide thiacloprid with fungicide tebuconazole increases toxic effects on parasitoid wasps, potentially harming ecosystems. This synergy is a concern for agroecosystems and should influence pesticide risk assessment.
A UC Berkeley team found that four out of five native plant nurseries in Northern California harbor exotic Phytophthora pathogens, which are more aggressive and resistant to fungicides. New management techniques and detection methods can help limit the spread of these pathogens.
Researchers found high levels of fungicide resistance in dollar spot isolates from golf courses, ranging from 41-85% compared to resistant-free samples. The study suggests that fine-tuning fungicide programs can help reduce the need for repeated applications and save golf courses money.
A recent study by Cornell University researchers found that fungicides can harm bumblebees, particularly when used in combination with insecticides. Chlorothalonil, a general-use fungicide, has been linked to stunted colony growth and increased vulnerability to Nosema, a fatal gut infection.
Scientists found that low concentrations of toxic chemicals can affect aquatic creature behavior, including feeding and swimming speed. The study calls for low dose and mixture toxicity testing to assess the impact of complex pollutant mixtures on aquatic ecosystems.
New research finds that commonly used fungicides in almond orchards can be harmful to honey bees, leading to a significant reduction in their survival rate. The study's findings suggest that bees may face danger from chemical applications even when responsibly applied.