Articles tagged with Crop Science
The US Department of Agriculture is developing public health insecticides and devising improved application technologies to kill insects. Alternative fabrics are being designed for fire-resistant uniforms to improve protection against insects.
Researchers are using an insect growth regulator called pyriproxyfen to prevent the maturation of house fly larvae. This technology has shown promise in controlling the spread of bacteria through these insects.
Researchers at the US Department of Agriculture have developed a deficit-irrigation strategy for early-season peaches, which reduces post-harvest water levels by 25% without significantly affecting next year's yield. The study also found that subsurface drip irrigation systems had minimal effects on yield and fruit quality.
USDA scientists develop immunocrit technique to measure newborn piglets' serum immunoglobulin levels, indicating mortality and nursing ability. The test can identify at-risk piglets and provide opportunities for intervention strategies.
Researchers use near infrared reflectance spectroscopy to assess seed oil quality and quantity, potentially boosting biodiesel output by optimizing oilseed yields and reducing costs
Scientists at FAO and IAEA developed a larval rearing unit for efficient mosquito mass-rearing, promising to boost the Sterile Insect Technique's effectiveness. The new system maintains water temperature stability and minimizes evaporation, allowing normal larval development and reducing labor costs.
A recent study by Mehmet Isleyen and colleagues found that grafted watermelon plants accumulate pesticide levels up to 140 times higher than non-grafted watermelons. The researchers advise commercial farmers to exercise caution when using this grafting practice to minimize exposure to pesticides.
Heavy coffee drinkers have a lower risk of developing Type 2 diabetes, with four cups daily reducing the risk by 50%, and every additional cup by 7%. Coffee's beneficial effects may be attributed to compounds blocking human islet amyloid polypeptide (hIAPP) misfolding.
A US Department of Agriculture scientist has developed a partnership with South African colleagues to improve cattle breeding, benefiting breeders worldwide. The research focuses on the Nguni breed, which is popular among poor farmers due to its fertility and tolerance to harsh conditions.
Cotton technologist Paul Sawhney and his colleagues investigated using virgin cotton in nonwoven materials. They found that greige cotton, a naturally water-repellent material, can be made absorbent by controlling water pressure during processing.
Researchers use Fourier transform infrared-attenuated total reflection spectroscopy to identify infected trees with 95% accuracy. The method is faster and cheaper than current DNA testing, but further differentiation between diseases is needed.
A study of beef 'trim' found US procedures for monitoring imported beef trim are adequate for detecting pathogens like E. coli. Researchers have since shared pathogen detection technologies with Uruguayan national laboratories.
Researchers confirm that stream bank failure is a significant contributor to high sediment levels in the Mississippi River, with seepage erosion playing a crucial role. The study finds that stable stream banks can become unstable when seepage erosion is added to factors promoting bank failure.
A team of USDA scientists has developed a new approach to detecting pathogenic Escherichia coli and Salmonella bacteria in waterways, achieving lower detection levels than previous methods. The process uses a combination of techniques, including filtration, biochemical testing, and polymerase chain reaction technology, to identify even...
USDA researchers are developing constructed soils to build better, less-costly sports fields, raingardens, and lawns on degraded land. The most promising mixture includes quarry byproducts and composted chicken litter, which reduces rain runoff and erosion.
Scientists are tracking golden eagles with satellite transmitters to identify their favourite habitats and monitor the impact of wind farms. The project aims to determine how wind farms affect eagle populations in northern Sweden.
USDA scientists Jon Bates and Tony Svejcar found that burning cut juniper trees in winter helps protect native perennials from invasive cheatgrass. After 10 years, burned areas showed 1.5-2 times greater herbaceous and perennial grass cover than unburned areas.
A new commercial trap for wasps, hornets and yellowjackets has been developed using attractants created by US Department of Agriculture scientists. The RESCUE! W-H-Y Trap attracts multiple species, including yellowjackets, paper wasps and hornets, and eliminates them through drowning or dehydration.
Researchers designed a floating barrier with two rows of pilings to protect levees from wave action, dissipating 75% of wave energy. The design was more effective and cost-efficient than previous methods.
Researchers have identified a key component of the female pear psylla's pheromone, which could be used to lure males onto sticky traps or disrupt their mating. This compound, 13 methyl heptacosane, may reduce reliance on insecticides and help mitigate resistance.
A study found that vitamin D levels were associated with better cognitive performance in elderly individuals receiving home care. Those with sufficient vitamin D blood levels performed better on executive function tests, suggesting a potential link between vitamin D and mental agility.
A team of ARS scientists used remote sensing tools to identify invasive Ashe juniper shrubs and trees in central Texas. The study found that the first 10 bands from a MNF transformation were the best for distinguishing Ashe juniper from other mixed woody species.
Research by USDA scientists found that oat compounds called avenanthramides decrease inflammatory molecules and inhibit proinflammatory cytokines. This suggests potential health benefits for heart disease prevention beyond lowering blood cholesterol levels.
Researchers have developed a barley protein concentrate that can meet the protein needs of trout and other commercially produced fish, potentially replacing fishmeal and soy protein concentrate. The concentrate is produced through an enzymatic method and has been shown to be effective in feeding trials.
Agricultural Research Service scientist Peggy Tomasula has written a chapter on using dairy ingredients to produce edible films and biodegradable packaging materials. The research focuses on improving the water-vapor barrier properties of dairy proteins, such as casein and whey.
Experts will discuss emerging developments in plant and soil sciences, including drought-tolerant sorghum and biotechnology. The meeting also addresses climate change, energy, and sustainable development.
Australia's top scientists will present on using mathematical models to understand complex systems, including climate change and agricultural sustainability. The conference will feature models assessing water availability, predicting aircraft distances for safer skies, and evaluating coral bleaching impacts.
A study by Cardiff University scientists has revealed that common earthworms in the UK are composed of multiple distinct species, each with unique roles in food chains and soil ecology. The discovery, published in Molecular Ecology, sheds new light on the importance of earthworms in agriculture.
The USGS conducted a holistic study on agricultural chemicals in the environment, collecting field data and employing numerical models to simulate water and chemical transport. The results show that modifications to agricultural practices can profoundly alter chemical transport rates, affecting contaminant dilution and transformation.
A new microarray chip can detect up to 300 different viruses infecting farm animals, birds, and insects. The chip has already been successfully used to identify a coronavirus and foot-and-mouth disease virus.
A team of Swedish scientists has discovered a key gene controlling tree growth and development, shedding light on the complex mechanisms behind flowering and dormancy. The findings hold promise for revolutionizing forest tree breeding and improving pulp, paper, construction, and bioenergy production.
Scientists have discovered that ancient genes, including Constans (CO) and Flowering Locus T (FT), dictate flowering and fall bud set in trees. This finding has significant implications for understanding tree maturation and adaptation to climate change, as well as speeding up tree breeding.
A study by Cornell University found that farm-raised salmon in Europe contained higher levels of organic contaminants than those from North America and South America. The analysis revealed 13 out of 14 organochlorine contaminants were present in farmed salmon, highlighting the need for safer farming practices.
An environmental epidemiologist from UGA aims to investigate how air pollution affects pregnant women and their unborn babies, building on his earlier research in Peru. He plans to measure personal pollution exposure of 100 pregnant women in Trujillo and analyze blood, urine, and cord blood samples.
A new field of ecology explores how humans influence urban ecosystems, raising questions about accountability and stewardship. Cities are increasingly recognized as significant ecological systems with diverse conditions, energy-intensive operations, and a substantial ecological footprint.
Researchers at Virginia Tech found that the amount of lead in the environment from bullets on battlefields is not a significant concern for water quality, with no contamination detected off range. However, they discovered that shot impacts cause significant damage to trees up to 140 meters beyond the range.
A team of scientists from Montana State University designed an experiment to study the role of gravity on infection-fighting white blood cells. The goal is to understand why astronauts are more vulnerable to infections in space and develop pharmaceuticals to boost immune responses.
The Aldo Leopold Leadership Program has selected its first cohort of 20 Fellows, including experts in water and air quality, diseases, and global climate change. The five-year program aims to enhance their ability to communicate environmental science effectively among various audiences.
Fresh berries can significantly reduce LDL cholesterol buildup by exhibiting antioxidant activities comparable to those found in grapes and wines. Research is ongoing to determine the optimal berry consumption amount for antioxidant benefits.
The Oregon State University-led program aims to bridge the gap between scientific knowledge and public perception on environmental issues. The five-year grant-funded initiative will train 20 tenured scientists in effective communication skills, enabling them to share their expertise with local communities, media, and policymakers.
A task force of scientists concludes that smoked foods sold in the US are virtually safe due to limitations in epidemiological studies. The researchers suggest other factors may cause correlations between cured meats and childhood cancers, such as diet composition.
The Weizmann Institute is launching an international bioinformatics network to bridge the gap in technology and training between Western countries and developing regions. The network, coordinated by the institute, will provide access to comprehensive bioinformatics data banks and facilitate collaboration among scientists.
A new species of frog, Eleutherodactylus iberia, has been discovered by scientists funded by the US National Science Foundation. The one-centimeter-long frog is the smallest of its kind in the Northern Hemisphere and part of a group that includes all animals with backbones except fishes.
A team of scientists from the US, France, Italy, CAR, and Congo conduct a rare study of the African atmosphere, exploring biomass burning, rainforest-savanna boundaries, and global air chemistry. The EXPRESSO project collects chemical data to understand how vegetation and fires interact with the atmosphere.
The NCAR research program is testing a new cloud-seeding technique using pyrotechnic flares to enhance rainfall in drought-stricken Coahuila, Mexico. The technique has shown promising results in South Africa and Arizona, but its effectiveness remains uncertain.