Articles tagged with Pest Control
Researchers at the University of Texas at Austin have found a natural fungus that can kill off local populations of tawny crazy ants, with 62% of infected populations disappearing entirely. The fungus is specific to crazy ants and has no effect on native species, making it a promising biocontrol agent for protecting sensitive habitats.
Researchers at the University of Copenhagen have discovered that plants defend themselves against herbivores by redirecting their defenses to younger leaves, using substances like glucosinolates found in wasabi and mustard. This self-adjustment helps ensure the survival of future generations.
Scientists have identified a link between temperature and insect reproduction, finding that cold temperatures slow down reproduction in fruit flies and other insects. This discovery could lead to new control strategies for mosquitoes and agricultural pests, potentially reducing the spread of diseases like malaria.
Mathematicians at the University of Leicester have developed a new mathematical model that could greatly increase the efficiency of pest control. The model uses field data and computer simulations to predict the distribution of slugs in arable fields, accounting for individual creature movements.
A study by University of Illinois researchers found that applying dicamba at the latest growth stage and using a safener can help minimize injury to sweet corn. The results suggest that dicamba could be used safely in sweet corn with proper application timing and formulation, offering practical guidance for farmers.
A study found a significant correlation between hotel stays and exotic pest detections in New Zealand, suggesting that both international and domestic tourism can facilitate the spread of invasive species. The researchers emphasize the need for continued biosecurity measures to manage these risks.
Scientists develop a sensitive electrochemical detector using cerium oxide nanozyme to identify organophosphate pesticides in plants. The method provides an unprecedented wider linear range and a detection limit of 0.06 mmol/L, making it suitable for detecting trace amounts of pesticide residues.
Researchers found that half of Pseudomonas syringae strains benefited from the presence of aphids, but only the honeydew itself boosted bacterial populations. The study suggests using this phenomenon to develop alternative pest control methods.
Researchers at Osaka Prefecture University discovered that planteose is a storage carbohydrate distributed in the seeds of root parasitic weeds. Its physiological role involves rapid hydrolysis after strigolactone perception, providing essential nutrients for germination.
Research found that cacao agroforestry systems support unique bird species in tropical dry forests, while bats are more abundant in these areas than in nearby forests. This suggests that cacao farms can serve as biodiversity-friendly oases, providing food and refuge for birds and bats.
Scientists have measured the speed of Candidatus Liberibacter asiaticus, a bacterium causing citrus greening disease. The bacteria can colonize a tree in around 80-100 days, faster than symptoms appear, making it difficult to control.
Scientists have discovered new targets for insecticides by analyzing the structure of potassium channels in Drosophila. The study provides a detailed map of the channel, enabling the design of highly selective and safe insecticides.
Researchers have confirmed a Champaign County waterhemp population is resistant to dicamba, with a 65% control rate. The population shows signs of metabolic resistance, activating detoxification genes before the chemical can harm. This finding raises concerns about the potential for broader herbicide resistance.
Researchers used machine learning and genomics to identify molecular markers of resistance to sugarcane yellow leaf disease in over 97 sugarcane genotypes. The study found that energy cane varieties with higher fiber content are more resistant to the disease, paving the way for commercial launches.
A large-scale study characterized 585 strains of the Xanthomonas perforans bacterium in Florida commercial tomato fields, finding associations between farms and transplant facilities as key points of pathogen spread. This research provides insights into the diversity of the pathogen population and potential control strategies for farmers.
Researchers applied a physics method to Balinese rice irrigation practices, finding that a balance between water stress and pest stress is crucial for equilibrium. The traditional method, which involves synchronized flooding, can help maintain social harmony and prevent chaos in water schedules.
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.
A severe upsurge of desert locusts in 2019-2020 caused $3.4 billion to $10.21 billion in monetary losses and severe acute food insecurity for over 3 million people in Pakistan. The authors suggest improving the prevention system, developing compensatory measures, and increasing the use of alternative pesticides.
University of Illinois researchers discovered waterhemp's unique mechanism to detoxify the herbicide SA3, adding complexity to controlling this weed. This finding raises concerns about the potential for waterhemp to resist new herbicides before they are even commercialized.
The mapping of the entire genome of the Eurasian spruce bark beetle has provided new insights into its biology and behavior. The analysis reveals that the species has an unusually large number of genes involved in breaking down plant cell walls, but lacks genes to remove toxic substances.
Researchers at Aarhus University have discovered that ants excrete chemical compounds that effectively inhibit plant pathogens, offering an alternative to current pesticides. The study suggests that applying ants and their chemical defenses could protect agricultural plant production.
Researchers found that no-till production farmers can reduce herbicide use by implementing integrated weed-management practices, such as high-residue cultivation and seeding companion crops. Despite increased weed pressure, crop yields and profits were not significantly affected.
Researchers detected Argentine ant eDNA in surface soil samples from Kyoto and Kobe, indicating habitat distribution and hotspots for invasive species. This method could contribute to targeted measures and successful elimination results by combining with pest control plans.
Research by the University of Göttingen found that vanilla plantations with more trees have higher predator activity, which can lead to better pest control. This study contributes to understanding the ecological function of species involved in agroforestry systems and supports the UN's ecosystem restoration goals.
Researchers have developed a way to induce speciation events in fruit flies, allowing scientists to create engineered strains that can reproduce normally but are sterile when mated with unmodified flies. This technology, called Engineered Genetic Incompatibility (EGI), has the potential to control populations of disease-carrying insect...
Researchers developed a CRISPR/Cas9 protocol that allows genetic modification of whiteflies, which can lead to novel control strategies. The technique enables the deletion of genes in whiteflies, allowing scientists to investigate genetic control strategies for this devastating pest.
Researchers found that higher tariffs had a small correlation with decreased invasive pest findings, but this impact was not sensitive enough to be a good tactic. Revoking duty-free status on fruits and vegetables is the only way to achieve measurable impact in pest reduction through tariffs.
Scientists have identified a Y-chromosome linked gene called Maleness-on-the-Y that determines male sex in several major fruit fly pests. The discovery could lead to the development of more effective genetic control strategies for these destructive agricultural pests.
A new study by Harvard researchers finds that notifying potential tenants of past bedbug infestations can help reduce the spread of bedbugs and save landlords money. The policy creates an unofficial quarantine, reducing the chances of an infested unit being rented and allowing landlords time to thoroughly treat the space.
Researchers at Osaka University found that the angle of male flies' genitalia is crucial for successful reproduction, with males having ideal dorsoventral direction having greater copulation success. The study suggests a cooperative evolution between morphology and behavior in dipterans, with implications for pest control.
A new study from North Carolina State University finds that total release foggers, or bug bombs, are ineffective in removing cockroaches from indoor environments. The products leave behind toxic residues on surfaces and fail to reach areas where cockroaches congregate, such as under surfaces and inside cabinets.
Scientists at UC San Diego developed a new method to control pest populations using precision-guided genetics, resulting in sterile male progeny with 100% efficiency. The 'precision-guided sterile insect technique' (pgSIT) can be applied to various insects, including disease-spreading mosquitoes.
A Rutgers University study found that German cockroaches were present in 29% of surveyed apartments, with poor sanitation and resident tolerance being key predictors. Residents unaware of cockroach presence had higher rates of infestation and allergens.
A study found that natural habitat surrounding farm fields is not always effective in controlling pests, with benefits varying widely across the globe. The analysis, published in PNAS, compiled data from over 6,700 sites in 31 countries, revealing no one-size-fits-all recommendations for farmers.
Aging is associated with a decline in Merkel cells, which control the itch response. Researchers identified Piezo2 as a protein that plays a role in suppressing itch, providing hope for future treatments of touch-related itching.
The widespread adoption of Bt field corn led to significant reductions in European corn borer and corn earworm infestations. This resulted in lower recommended insecticide sprays, total insecticides applied, and crop damages on pepper, green bean, and sweet corn crops.
Researchers at the University of Edinburgh's Roslin Institute are investigating gene drive technology to curb pest rodent populations. They aim to reduce or eliminate pest species using a more humane method.
ISCA Technologies received eight grants from the USDA to develop environmentally-friendly pest control products and improve crop yields. The company will use naturally occurring pheromones, yeast species, and drones to control damaging insect pests and promote healthier bees.
Rats in cities face significant challenges due to lack of access to urban properties, making it difficult for scientists to study them. This limits our understanding of rat ecology and population dynamics, ultimately affecting disease surveillance and control methods.
Researchers developed a chess-like board game, Azteca Chess, to educate small-scale Mexican coffee farmers about the insects and fungi living on their plants. The game's goal is for players to capture opponent tokens, illustrating key ecological interactions.
A Nagoya University-led international research team has identified genes controlling the development of enlarged mandibles in stag beetles, a key factor in insect diversity. The study found that genes such as dac, aristaless, and homothorax play important roles in mandible development.
A brief blast of heat can kill bedbugs on the exterior of soft-sided luggage, according to a study by University of California, Irvine entomologist Catherine Loudon. The six-minute treatment at temperatures between 158 and 167 degrees effectively killed all bedbugs on the exterior, including those under zipper flaps and decorative piping.
A heat treatment of 70-75oC kills all bed bugs on the outer surface of luggage in six minutes, even those hidden under zipper flaps. At room temperature, only 3% of bugs move inside during a 24-hour period.
Researchers identified a key gene in vinegar flies responsible for their waterproof coating, which could provide a new way to control insect pests threatening agriculture and humans. By knocking out this gene, the insects lose their waxy coating and become more vulnerable to environmental stress.
The study found that mesh screens provide cost-effective pest control for organically grown peppers, excluding insects including beneficial and pest species. The researchers recommended lighter colored, and/or wider meshes to allow entry of sunlight and beneficial species.
Researchers discovered a key mechanism driving a bacterium that kills male insects, which could be exploited to control pest species. The study found that the bacteria targets the dosage compensation complex, leading to genome-wide misregulation of gene expression.
Researchers have discovered a behavioral trait that can be used against Mexican bean beetles, offering new control strategies without insecticides. Reflective mulch has been shown to significantly reduce beetle numbers and plant damage in outdoor plots.
The article discusses the biology and life cycle of squash bugs, which cause significant damage to crops. To control these pests, growers are adopting integrated pest management techniques, including cleaning up debris and boosting natural enemies.
A comprehensive USGS study finds that human-related mortality in bats is on the rise globally, with wind turbine collisions and white-nose syndrome being primary causes. This trend may not be sustainable and highlights the need for policy and conservation actions to reduce human impact on bat populations.
Researchers used game theory to model the dynamics of farmer decisions and their effects on pest populations. The study found that farmers' perceptions of profit and loss, as well as communication networks, can influence pest control strategies.
A new paper in the Journal of Integrated Pest Management provides a comprehensive overview of greenbug control methods for wheat and sorghum. Growers can use the Glance n' Go system to monitor fields and determine when pesticides are necessary, reducing unnecessary treatments and costs.
A review highlights the importance of an integrated pest management approach for dealing with bed bugs in multi-family housing. This approach combines chemical and nonchemical control options to effectively eliminate infestations and prevent reinfestation.
The house fly genome project has uncovered genes responsible for male traits that evolve exceptionally fast and are gained and lost from the genome at a high rate. These findings hold promise for developing pest control strategies that do not rely on chemical pesticides, by targeting sex determination systems.
The use of insect-resistant maize varieties like Bt hybrids could increase Mexico's maize yields by nearly three times compared to current levels. This technology can effectively control various pests, reducing the environmental impact of chemical insecticides.
The ESA Certification Corporation has recognized two professionals, Bob and Kathy, with the ACE Professional Award and Distinguished Service Award to the Certification Program. These individuals were honored for their contributions to the field of entomology and pest management.
The study found that invertebrate numbers decreased by 45% over a 35-year period, with habitat loss and climate disruption being major contributors. This decline compromises nature's ability to provide essential services such as pollination, pest control, nutrient cycling, and water filtration.
Researchers have sequenced the termite genome, revealing unique genetic targets for better control. The study aims to develop more specific and environmentally friendly solutions to combat termite infestations.
Biologists at Newcastle University use 'confusion effect' to temporarily disorient whiteflies, reducing their ability to feed on tomato plants. The study suggests a potential new method for sustainable pest control, using harmless plant volatiles to give plants time to defend themselves.
A new bioinsecticide has been developed using a baculovirus to control a pest of banana plantations. The treatment is more effective than traditional methods and poses fewer environmental hazards.
A study published in PLOS ONE found that the horse-chestnut leaf-mining moth has spread rapidly across England and Wales since its arrival in London in 2002. The data collected by citizen scientists revealed that it takes just three years from the first sighting to maximum levels of damage to the horse-chestnut trees.