Articles tagged with Crops
The updated TAIR9 genome release includes detailed information on all 33,518 genes of Arabidopsis thaliana, including 114 newly discovered genes and 168 new pseudogenes. The new features promise to accelerate research on designing new crops for food, biofuels, industrial materials, and medicines.
Research found that DOC losses from tile drains were not affected by crop management practices, but drainage hydrology and manure application played a role. The study highlighted the importance of understanding DOC contributions to surface waters in agricultural watersheds.
A University of Colorado at Boulder team discovered a large manioc field in the ancient village of Ceren in El Salvador, which was buried under volcanic ash around A.D. 600. The cultivation system is believed to be the first evidence of intensive manioc farming at any New World archaeology site.
A new study published in The Plant Genome suggests that acquiring cheap genome sequence data can improve the quality of feedstocks used to create biofuels, potentially reducing carbon footprint. This could lead to more sustainable high-yield production with minimal inputs.
Researchers warn that unregulated biofuel crop planting poses a significant threat to Hawaii's environment due to their high invasiveness. The study identifies high-risk biofuel crops that could be grown with implemented measures to reduce their risk of spreading out of control.
A new study reveals that farmers' overreliance on Roundup Ready crops and glyphosate-based herbicides is leading to the development of resistant weeds. Rotating crops and using different herbicides can slow down this process, extending the life of the technology.
Researchers at North Carolina State University discovered that growing duckweed on hog wastewater produces starch for ethanol, outperforming corn by five to six times per acre. The process generates clean water and turns pollutants into a fuel production system.
Researchers found that leaf-cutting ants and their fungal gardens actively combat invading fungi, ensuring mutualism health. The garden itself can also compete with incoming microbes, strengthening the ants' hygiene practices.
A new study published in Crop Science found that the root structure of corn crops plays a key role in the historical yield increases in the US Corn Belt. The research revealed that changes in root systems allow for more efficient water capture and sustain biomass accumulation.
Researchers at the University of Illinois have created a corn variety with increased biomass, which can be used as an energy crop and as feed for livestock. The modified plants produce larger stalks and more leaves, leading to increased sugar content in the stalks.
A study published in HortScience found that foliar particle film can increase the weight of red-skinned wine grapes by 7% and soluble solids concentration by 11%. However, it did not prevent sunburn on exposed fruit when vines were under stressful growing conditions. The results support anisohydric classification for these grapes.
Researchers found that digital images can effectively characterize canopy coverage and light interception in tomato crops using free software and commercial cameras. The study demonstrated practical advantages over traditional methods, including the ability to measure at any time of day and without bright sunlight.
Researchers found that mechanical thinning increased fruit size by 9% compared to conventional hand-thinning or non-thinned control trees. The technology also reduced labor time by 50% while maintaining average fruit sizes within the desired range, offering economic benefits for growers.
A recent study in Crop Science proposes data-driven methods to group breeding programs compatible for germplasm exchange. The researchers identified three mega-targets of selection among barley breeding programs, which could produce adapted genotypes with high yields.
Researchers found that converting Conservation Reserve Program grasslands to bioenergy grain crops does not result in significant loss of sequestered soil organic carbon. No-till farming practices can conserve and even enhance soil carbon sequestration in these areas.
Research shows that putting a price on carbon dioxide emitted by different land use practices can significantly change how land is used. The study found that addressing the land-based carbon is essential for stabilizing greenhouse gases at low levels.
Researchers found that high crop biodiversity leads to less dissolved nitrogen in surrounding watersheds, suggesting a buffer effect from grasslands and woodlands. This could indicate a reversible impact if policy changes prioritize farming practices like crop rotation, smaller fields, and native perennial grasses.
Researchers found that diverse croplands lead to lower dissolved nitrogen levels in surrounding watersheds, reducing aquatic pollution. The study suggests that policy changes can mitigate the negative impacts of agriculture on water quality through crop rotation and buffer zone implementation.
Scientists have developed a method to produce biodegradable plastics from plants, which can be used to replace petroleum-based plastics. The new plastic, called polyhdroxybutyrate-co-polyhydroxyvalerate (PHBV), is flexible and moldable, and can be naturally degraded into water and carbon dioxide by bacteria in the soil.
Research suggests that US public funding for specialty crops is inadequate, with production value growth not matched by research spending. Increasing funding could lead to lower fruit and vegetable prices, promoting healthier diets among Americans.
This issue of BioScience explores strategies for managing biological resources, including optimizing forest responses to climate change. The journal also examines the ecological roles of mesocarnivores and the impact of mercury contamination on sport fish in the Northeastern United States.
Researchers suggest using 30% of global crop residues to sequester 600 megatons of carbon in the deep ocean, reducing atmospheric CO2 by up to 15%. The process would be 92% efficient and minimize environmental damage if done correctly.
The UK has launched a £27M bioenergy research centre to develop sustainable fuels and reduce carbon emissions. The centre will focus on improving crop yields, changing plant cell walls, and analyzing the economic life cycle of bioenergy sources.
Researchers at Michigan State University found that greenhouse gas emissions from biofuel production can be mitigated with sustainable land use practices. Effective crop management techniques, such as no-till farming and planting cover crops, can reduce the time it takes for biofuels to overcome their carbon debt.
A new Purdue University study suggests that warming temperatures could lead to an increase in corn pests, resulting in decreased yields and increased costs for farmers. The research found that warmer weather could allow these insects to expand their territory and produce an extra generation of offspring each year.
Stanford researchers predict more frequent heat waves, higher temperatures, and increased crop losses in California. Average temperatures are expected to rise 4-9 degrees Fahrenheit over the next 50-100 years, with potential impacts on crops like cherries, peaches, and grapes.
Archaeologists discovered starch grains on ancient human teeth in Peru, revealing the earliest consumption of beans and pacay. The findings suggest that New World people were committed farmers earlier than thought, dating back over 2,000 years.
Researchers at Carnegie Mellon University are developing automated farming systems using sensors, autonomous vehicles, and data analysis to monitor tree health and crop status. The systems aim to provide growers with early warnings of diseases and insect infestations, as well as continuous updates on crop status.
A team of scientists developed a model to measure soil quality and predict long-term changes in soil organic carbon and organic matter. The CQESTR model simulates the effects of various management practices on soil dynamics, providing insights for sustainable crop and soil management.
A new study published in Agronomy Journal reveals that reduced tillage can increase peanut crop yields, but the effects of crop rotation and tillage on pest development are more complex. The research found an independent relationship between tillage and rotation practices with respect to peanut yield and pest development.
The Soil Science Society of America has recognized 2008 SSSA Fellows, Thomas W. Bruulsema, Seth M. Dabney, Steve R. Evett, Yan Jin, Thomas C. Kaspar, Newell R. Kitchen, David A. Laird, and R. Richard Lowrance, for their professional achievements and meritorious service to the Society.
A group of internationally recognized scientists urges the U.S. to adopt sustainable standards and practices for cellulosic biofuel production to minimize environmental harm. The experts emphasize the need for incentives to promote environmentally friendly growing practices among farmers.
A new book from the American Society of Agronomy provides detailed information on the importance of sulfur in agriculture. The book examines the central role that sulfur plays as a nutrient affecting crop yield and quality, animal feed value and human diet.
Sustainable farming with shade trees improves resistance to climate-related stressors, particularly in marginal growing areas. Traditional agroforestry techniques can help protect farmers' livelihoods threatened by climate change.
This issue of BioScience features studies on fungal community ecology, extreme precipitation regimes, and the developing Drosophila brain. Researchers also explore the consequences of climate change for terrestrial ecosystems and discuss the potential benefits of restoration and sustainable agriculture.
A new mathematical model developed by researchers at the University of Warwick suggests that plant agriculture began much earlier than previously thought, around 23,000 years ago. The study found that useful gene types took thousands of years to become stable and that crop development was a slow process.
Researchers used NMR spectroscopy to analyze pea plant leaves under drought stress, revealing key metabolites that increase in response. The findings could lead to the development of pea varieties more resistant to water scarcity, affecting global food production.
A study estimates the economic value of insect pollination worldwide at €153 billion in 2005, which represented 9.5% of global agricultural production. The loss of pollinators would result in a consumer surplus loss of €190-310 billion due to price elasticity of demand.
A new study by scientists from Brazil, France, and the US reveals that no-till management combined with winter cover crops is the most effective way to retain nutrients in tropical soils. The research found that this approach can maintain soil organic carbon stocks and mimic natural forested conditions.
Researchers use remote sensors to determine canopy cover in major horticultural crops, finding a strong correlation between normalized difference vegetation index (NDVI) values and measured fractional canopy cover. The study suggests that NDVI can be an efficient way to monitor growth stage and irrigation water demand for these crops.
Swine waste fertilizer can be improved by altering phosphorus levels in the diet, resulting in slower phosphorus accumulation in soil. This approach reduces excess nutrients that can pollute the environment.
A recent review article provides a detailed overview of the available genomics tools and resources for the Rosaceae scientific community. The article highlights recent developments in Rosaceae genomics, including emerging technologies such as high-throughput sequencing and novel phenotyping platforms.
Researchers have identified a novel mechanism in plants that regulates circadian rhythms, which are integral to responses to light, temperature, and other environmental cues. The PRR gene family plays a crucial role in these mechanisms, with its members transcribed and translated at different times of day.
Scientists have engineered fortified cassava to provide a complete day's worth of nutrition in a single meal, overcoming its carbohydrates-only composition and cyanide toxicity. The BioCassava Plus project aims to translate this innovation into field-tested products for malnourished populations in Africa.
A study by the University of Georgia found that southern highbush blueberries have a viable and profitable industry in Georgia. The research estimated total costs of cultivating the crop over four years, showing that 92% of farmers can expect to see positive returns.
The RevGenUK project aims to improve crop growth in adverse conditions and reduce nitrogen fertilizers. Researchers can access thousands of mutated plants with defective genes, enabling them to study gene function and develop sustainable crops.
Researchers confirm ancient sunflower domestication in Mexico dating back 4,000 years, contrary to previously believed eastern North American origin. This discovery highlights the importance of sunflower as a major oil seed crop and its potential for modern crop-breeding purposes.
Australian researchers have achieved a major advance by accumulating 30% of an unusual fatty acid (UFA) in the model plant Arabidopsis. This breakthrough could lead to the production of biofactories capable of producing oils for replacing petrochemicals used in plastics, paints, and cosmetics.
Biologists call for making detailed maps of biotech crops available to researchers, allowing them to analyze the effects on wildlife and water quality. The government's current data collection system is limited in spatial resolution, making it difficult to answer key questions about genetically engineered crops.
New Bt corn varieties have shown reduced levels of aflatoxin and lower rates of fungal infection, offering a potential solution to the global threat of this deadly toxin. The developments come as part of Monsanto's efforts to engineer better corn crops resistant to insect pests and environmental stressors.
The American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America recognize 36 outstanding undergraduate seniors for their academic achievements, leadership, and participation. The students receive a plaque and become eligible for the Frank D. Keim Fellowship.
Scientists integrated remote sensing products with soil science data to quantify soil carbon changes over large regions. The study results in a spatially-explicit carbon accounting framework that can predict future land use and inform enhanced land management data sets.
In a study published in the Agronomy Journal, Chris Kucharik found that earlier planting dates have contributed significantly to yield gains in the northern Corn Belt states. The study suggests that this land management change has played a major role in increasing production, accounting for 20-50% of the gains since 1979.
Researchers have created a genetic reference collection of mutant Pisum sativum plants, enabling the investigation of essential genes using TILLING (Targeting Induced Local Lesions IN Genomes) technique. This new tool has major benefits for crop breeders worldwide, providing an alternative to Agrobacterium-based techniques.
Farmers perceive genetically modified (GM) crops as a means to reconcile high-quality food production with environmentally sensitive farming. They are more interested in the practical applications and potential benefits of GM crops rather than any moral or ethical concerns.
A £500,000 project will use biotechnology to develop pest-resistant plantains to combat losses of up to half of the crop due to nematode worms. The initiative will also provide a reliable source of nutritious crops for impoverished communities.
A bollworm species has evolved resistance to biotech cotton's Bt toxin in the US, contradicting predictions of rapid pest resistance. The findings confirm the effectiveness of refuge strategies to delay resistance evolution.
Scientific reports predict that global agriculture may decline in some regions due to unconsidered complications from climate change. The authors suggest that temperature rises may lead to crop losses, disease outbreaks, and decreased livestock productivity.
A recent study by the University of Georgia found that southern highbush blueberries have a viable and profitable industry potential. With a 92% chance of profit margin, farmers can expect positive returns on investment, leading to increased production and job creation.
A Chinese-Australian research team studied the whitefly Bemisia tabaci's invasive behavior, discovering that it breeds more when interacting with native populations and suppresses their reproduction rates. This asymmetrical mating interaction drives the widespread invasion and displacement of native species.