Articles tagged with Crops
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A survey of Michigan residents shows overwhelming support for government programs helping farmers adapt to climate change. The study found that more than 65% of respondents backed financial assistance for farmers, with many linking it to concerns over recent food price increases and long-term food security.
A team of scientists has cloned the tannin gene in sorghum, revealing its role in promoting human health through antioxidant properties. The study also explores ways to alter tannins to improve sorghum's use as food and feed.
Researchers argue that adopting molecular phenotyping techniques like ionomics and genome-wide association mapping could broaden our understanding of complex interactions in plants. This knowledge could lead to more efficient crop improvement strategies, particularly for adapting to changing environmental conditions.
Researchers have identified prairie cordgrass as a promising alternative to switchgrass for biomass production due to its high yield potential and environmental sustainability. The grass has been found to be well-suited for marginal land, particularly in wet environments, making it an attractive option for conservation efforts.
A recent study has found that exposure to the fungicide tolylfluanid can induce insulin resistance in fat cells, providing new evidence of the link between environmental pollutants and diabetes. This discovery raises concerns about the potential health risks of using this chemical on farm crops.
A study by researchers at the University of Arizona found that pest populations are evolving resistance to genetically modified cotton plants, which produce toxins derived from Bacillus thuringiensis. The discovery highlights the need for closer monitoring and countering of pest resistance to biotech crops.
To slow resistance of western corn rootworm beetles to genetically protected crops, much larger 'refuge' acreages of conventional crops have to be planted, two experts warn. Increasing refuge requirements can delay pest resistance and sustain the benefits of Bt corn.
Scientists recommend increasing refuge acreage for Bt corn to slow western corn rootworm resistance and promote integrated pest management. The current 20% refuge requirement may not be sufficient to delay resistance, and doubling the size of refuges could help sustain the success of transgenic corn.
The University of Oklahoma led a US-based team in sequencing the tomato genome, revealing new insights into fruit characteristics. The achievement has significant implications for developing more desirable strains with higher yields, increased disease resistance, and improved flavor.
Researchers are launching a nationwide effort to conserve crop wild relatives in the US, recognizing that these plants have value in adapting food systems to climate change. The plants' genetic material could be used to breed drought-resistant crops, making them essential for global agriculture.
Researchers warn of rapid groundwater depletion in California's Central Valley and the High Plains, posing risks to US food production. The study suggests that unsustainable irrigation practices may lead to economic challenges for farmers, particularly in the southern High Plains.
Researchers at Ben-Gurion University successfully tested a solar-powered desalination system that provides high-quality irrigation water for crops in arid regions. The system uses nanofiltration membranes to treat brackish water, resulting in 25% less irrigation and fertilizer needed compared to traditional practices.
A new 'super-high' oleic safflower has been developed by CSIRO, with the potential to provide over 100,000 hectares of sustainable plant oils. The oil contains over 90% of valuable oleic acid, making it suitable for industrial chemical production and direct use in lubricants.
Researchers have found a genetic mutation in Scandinavian barley varieties that disrupts the circadian clock, allowing them to flower earlier than southern counterparts. This adaptation enables crops to thrive in regions with short growing seasons, providing new tools for breeding and developing more resilient crops.
A plant disease normally found in subarctic climates has been identified for the first time in the UK in buttercups as far south as Herefordshire. The fungus, Sclerotinia subarctica, affects both crops and wild plants, with severe effects on carrots but minimal impact on meadow buttercups.
Researchers at University of Nottingham use math to study gibberellin hormone affecting plant growth, identifying key interactions between feedback loops. This work aims to improve crop varieties and address global food security concerns.
Fertilizer placement in strip-tilled fields causes non-uniform distribution of potassium and phosphorus, affecting whole-field fertility. To address this issue, researchers recommend taking multiple samples outside the fertilizer band for more accurate assessments.
Research suggests that bioenergy crop expansion can harm farmland bird populations like the Skylark. However, integrating small natural areas into landscapes with diverse crop types and maintaining low field sizes may help conserve these species.
Two studies found that neonicotinoid insecticides harm bumblebees by reducing food intake and queen production, while impairing honeybees' homing abilities, leading to increased mortality. The pesticides can also interfere with bees' behavior, posing a threat to pollination.
Research by Norwich BioScience Institutes and John Innes Centre identifies PIF4 as a control gene that activates flowering pathway in response to temperature. This discovery sheds light on why plants are flowering earlier due to climate change, with potential implications for developing temperature-resilient crops.
Researchers have completed the first high-resolution genetic map of miscanthus, a towering cane-like grass used as an energy crop. The mapping project has provided valuable markers to differentiate individual plants and improve breeding for faster and more efficient production.
Slugs are major crop pests in no-till field crops, with limited management options available. Integrated pest management options, including cultural, biological, and chemical controls, are suggested for common mid-Atlantic slug species.
Researchers at the University of Missouri are studying the molecular structure of a controversial pesticide to determine if it can be made more efficient and safer. They found that the active ingredient, methyl iodide, can be slowed down in its release, reducing the need for large amounts of pesticide.
A Purdue University study reveals that hermetic grain storage bags work by depriving weevils of water through metabolic processes, not just oxygen deprivation. The bags' effectiveness in reducing insect infestations has saved West and Central African farmers hundreds of millions of dollars.
Scientists at the University of Nottingham have successfully altered root growth in plants by controlling a key regulatory protein, WRKY23. This breakthrough could lead to improved crop yields and resistance to parasites under varying environmental conditions.
A study by U of I associate professor Marty Williams found that increasing plant populations can affect crop growth and development, with varying effects among different hybrids. The average optimal plant population for maximizing yield differed by over 9,000 plants per acre among the six tested hybrids.
A new computer model developed at the University of Illinois can simplify the transition from field to biorefinery by optimizing operations to reduce costs and greenhouse gas emissions. The model takes into account regional attributes such as weather, crop yield, farm size and transport distances, and can run millions of simulations.
The University of Copenhagen has launched a new research platform aiming to develop hybrid technologies for more efficient production of biofuels. The platform will test dual-purpose crops that can provide both food and biomass for fuel and chemicals, aiming to reduce the industry's reliance on oil.
Researchers found that protein renewal rates vary between proteins according to their role and location within cells. This knowledge could help breed crops incorporating proteins that respond quickly to changing conditions.
Tomato and watermelon crops show higher capacity for carbon fixation under saline conditions. In contrast, lettuce, melon, and pepper crops have lower photosynthetic rates and chlorophyll content, indicating reduced efficiency in CO2 accumulation.
A recent study surveying tree fruit professionals found that the main concerns about new technologies are equipment cost, reliability of harvest assist systems, and sensor systems. Regional differences were also observed, with eastern US growers emphasizing price points and irrigation concerns.
Researchers are utilizing genomic data to create novel pest-control strategies, reducing reliance on chemical pesticides and environmental pollution. The study focuses on the biology of the two-spotted spider mite, exploring its ability to develop pesticide resistance and potential applications in crop protection.
A new invention by Michigan State University professor Syed Hashsham enables the instant identification of plant diseases using a low-cost handheld device. This technology uses genetic analysis and can identify pathogens, their genotype, and amount in under 30 minutes, speeding up treatments and preventing pathogen spread.
Crop sensors outperformed farmers in choosing nitrogen rates for corn fields, resulting in average yield increases of almost 2 bushels per acre. The technology reduced excess N applied by 25% without harming yields, offering a potential solution to environmental concerns about fertilizer pollution.
Researchers at the University of Nottingham have discovered a molecular mechanism plants use to sense low oxygen levels during flooding, enabling potential high-yielding, flood-tolerant crops. This breakthrough could help tackle catastrophic flooding's impact on agricultural production worldwide.
A recent study by the National University of Singapore reveals that climate change is causing a significant decrease in body size among various species worldwide. This trend has far-reaching implications for ecosystems and biodiversity, as smaller organisms can lead to reduced resource availability, population declines, and even loss o...
A study reveals how human activities can diminish the usefulness of ornamental traits like colorful feathers as signals of fitness. In contrast, a new field experiment shows that invasive yellow starthistle responds favorably to increased carbon dioxide levels. Plant breeding experts emphasize its potential to bring about a more positi...
Researchers analyzed gene expression profiles in pigeon crops and found genes involved in cell growth, antioxidant production, and immune response. The study reveals the mechanisms behind pigeon 'milk' production, which is essential for young pigeon squabs.
A recent study highlights the importance of considering water usage in bioenergy crop production, particularly with large grasses like miscanthus or switchgrass. The research found that these crops can increase net water use due to higher transpiration rates and land conversion's impact on hydrology.
Researchers found that large-scale land conversion to bioenergy crops increases water use, reducing soil moisture and runoff but increasing atmospheric humidity. The study's results highlight the need to consider water demands in decision-making for energy production through bioenergy crops.
Researchers at the University of Missouri College of Agriculture have completed two drought simulators designed to mimic real-world conditions. The simulators, measuring 50 feet by 100 feet, will enable in-depth testing under varying environmental conditions and improve food security for farmers.
Agricultural Research Service scientists found that using strip tillage and placing fertilizers directly below the seed increased corn grain yields on eroded slopes by 12-26% over two years. This innovative technique supports Idaho's growing dairy industry and promotes international food security.
A study by Purdue University and the University of Arkansas evaluated 12 bermudagrass and zoysiagrass cultivars for divot resistance. The results show that some grasses are more resistant to divoting than others, which can help reduce maintenance inputs and costs.
A unique collection of onion varieties with enhanced disease resistance has been developed, providing crucial information for commercial growers and seed producers. This research will contribute significantly to global food security, particularly in situations where rising temperatures are an issue.
Breeding crops with deeper and bushier root systems could double the amount of carbon captured from the environment, potentially reducing CO2 levels. This approach could also improve soil structure and water retention while enhancing sustainable plant yields.
Researchers have uncovered a huge network of genes that help plants defend against pests and diseases, making it possible to explore new avenues for crop improvement. The study's findings suggest that looking for single genes is not sufficient and instead, breeders should work together to produce plants with robust networks of genes.
Researchers at Iowa State University discovered that a perennial cover crop can be used on corn fields to achieve similar yields to traditional farming methods while also improving soil quality and reducing erosion. The study found that using Kentucky bluegrass as the perennial cover crop resulted in yields of over 200 bushels per acre.
Researchers have identified a promising conservation tillage technique called undercutting, which can reduce PM10 emissions by 30-70% compared to conventional tillage. This method creates an aerodynamically rougher soil surface, promoting retention of crop residue and reducing wind erosion.
A new study links increased insecticide use in the US Midwest to landscape change, finding that simplification of agricultural landscapes boosts crop pest pressure. The research suggests that preserving or restoring semi-natural lands can reduce the need for insecticides and contribute to agricultural economies.
A GLBRC study links agricultural landscape simplification to crop pest abundance and increased insecticide use. Perennial bioenergy crops, such as switchgrass and mixed prairie, may mitigate negative effects.
Researchers found that virus-tested foundation seed increases yield, but quality declines when integrated into commercial farms. Seed productivity and quality vary from year to year and location to location.
Researchers have developed a model to predict the amount of carbon contained in agroforestry systems using detailed web-available data. The model provides a tool for farmers to assess the impact of windbreaks on their operations, capturing substantial amounts of carbon while providing production and conservation benefits.
Researchers at University of Edinburgh discovered tiny seawater algae's survival strategies, which can aid in developing sustainable crops for biofuels and adapting to changing climates. The alga recycles nitrogen from its own body and absorbs alternative nutrients when food sources are scarce.
A new, non-destructive method for estimating leaf area index (LAI) in vegetables has been developed using a commercial camera and free software. The study produced accurate and inexpensive results comparable to more expensive indirect methods.
A new study shows that globally, animal-pollinated crops contain a majority of dietary lipids, vitamins A, C, and E, and minerals like calcium and iron. Without pollinators, up to 40% of essential nutrients could be lost.
USDA scientists used GPS-equipped conductivity meters to map manure distribution on feedlot surfaces, estimating manure amounts and quality. They also developed a computer program to associate high soil conductivity levels with manure solids and chloride content.
Researchers found that combined exposure to the three chemicals increases the risk of Parkinson's disease threefold. People who live and work near fields sprayed with these pesticides experience the greatest increase in risk.
The University of Southampton is part of a £4.57 million project to evaluate biomass as a sustainable energy source in the UK. The research aims to reduce greenhouse gas emissions and create a cost-effective energy system by 2050.
Researchers have uncovered patterns of ancient croplands in Hawaii, providing clues to individual household farming decisions. The findings suggest that these decisions were later adopted by the ruling class, leading to a more complex agricultural system. This study offers insights into the structure of Hawaiian society during this tim...
Comparing the genomes of plant parasites has provided insights into their invasion strategies and sabotaged plant immune responses. This knowledge can be used to develop new tools for diagnosis and disease forecasting, as well as breeding crops with stronger disease resistance genes.