Research suggests that future global food security projections may be overly optimistic due to stagnant crop yields in intensively cropped areas. This could lead to increased marginal costs and decreased returns on investment in agricultural research and development.
Researchers at the University of Cambridge discovered that crop-infecting viruses use aphids as pawns to spread infection to healthy vegetation. By altering plant biochemistry, these viruses repel visiting aphids and force them to move to healthier plants, unwittingly transporting and spreading the virus.
The institute will utilize the UAV to monitor thousands of crop plots, enabling detailed evaluations of growth and functionality. The technology will substantially increase throughput and precision in analysis, contributing to various crop improvement projects.
A study by Washington State University researchers compared high tunnel and open-field production systems for lettuce and tomato. High tunnel-grown tomatoes were three times more profitable than open-field production, while lettuce was less profitable due to higher labor costs.
A study found that vetch residue management strategies combined with organic fertilizers increased marketable zucchini yield by 46.6% and 38%. The technique of roller-crimper mulch also improved soil moisture and fertility, contributing to better crop quality.
The presentation highlights the importance of cataloging and conserving crop wild relatives worldwide. Researchers have identified critical taxa in need of protection and conducted inventories of CWRs in the US, revealing nearly 4,600 species, including endangered relatives of sunflower, bean, and sweet potato.
A University of Calgary-led research team has discovered a gene regulatory network that controls seed 'de-greening' in canola, a major cash crop in Alberta. The breakthrough offers a solution to a long-standing problem causing millions of dollars in annual losses.
Researchers found that modifying rice crops to resist herbicide triggers gives weedy neighbors a fitness boost, enabling them to grow faster and produce more offspring. The study suggests this method could be used to enhance crop yields, but raises concerns about potential problems with weedy relatives.
Scientists evaluated spinach nutrient uptake and water use to improve nitrogen fertilizer management, recommending soil NO3 testing at planting and midseason application. The study found that optimal fertilizer timing and rate can significantly reduce nitrate losses from production fields.
Researchers from the University of Guelph compared 55 years of Wisconsin and Ontario data to determine associations between weather and crop yields. Key findings indicate that hot days during June-July-August and rainfall were significant factors affecting yield, with heat tolerance being crucial for breeding purposes.
A study published in JAMA Network found that high exposure to swine manure in crop fields and proximity to high-density swine livestock operations increase the risk of methicillin-resistant Staphylococcus aureus (MRSA) and skin and soft-tissue infections in humans.
Researchers found an association between living near pig farms and manure fertilizers with community-acquired MRSA infections. Approximately 11% of cases could be attributed to crop fields fertilized with swine manure.
High crop species richness suppresses pest populations, indicating a positive relationship between crop diversity and biological control. The study found that crop diversity enhances the natural enemy-pest ratio, leading to improved pest control on EMS using microlandscape.
A new study reveals that global warming is causing crop pests to spread towards the North and South Poles at an alarming rate. Currently, 10-16% of global crop production is lost to pests, with losses from fungi alone amounting to enough to feed nearly nine percent of today's global population.
A team of researchers from BGI Shenzhen has made a groundbreaking genetic discovery in sorghum, revealing the crop's vast genetic variation and complex domestication history. The study provides a valuable resource for the genetic improvement of sorghum and other grass species.
A new study from NASA's Goddard Space Flight Center found that climate data can predict crop failures several months before harvest. The team developed a crop model incorporating temperature and precipitation forecasts, which accurately predicted crop yield or failure for about 20% of global cropland.
A new research assesses conservation gaps of crop wild relatives, finding that 54% are high-priority for collection to improve yields and resilience. The study highlights the importance of collecting wild plants in countries like Australia, Bolivia, China, and Italy.
A new study reveals that changing crop species massively alters the content of microbes in the soil, helping plants acquire nutrients and regulate growth. Soil grown with peas was highly enriched for fungi, while oat and pea cultivation shifted the balance towards protozoa and nematode worms.
A new study suggests that sustainable farming practices can significantly reduce greenhouse gas emissions while improving food security. By increasing crop yields using efficient methods, such as new varieties and precision farming, farmers can cut emissions by 12% per calorie produced.
Researchers used GIS software to map Brazil's grain storage facilities and found significant undercapacity, particularly in the northern state of Mato Grosso. The study aims to determine optimal locations for additional storage, addressing postharvest losses and increasing production efficiency.
Biotechnology and sustainable bioenergy crops are crucial to overcome challenges such as global atmospheric change, yield stagnation, and societal acceptance. The US has a unique opportunity to increase crop production and modify crops for rising CO2 levels.
A UC Riverside-led team has discovered a new chemical called quinabactin that mimics a naturally occurring stress hormone in plants to improve drought tolerance. This breakthrough could provide a powerful tool for farmers to protect their crops under extreme weather conditions.
A new study finds that global crop yields are increasing at a slower rate than needed to meet projected demands in 2050. The top three countries producing rice and wheat have low yield growth rates, highlighting the need for targeted investments to increase production.
Current global crop yields are not increasing quickly enough to support estimated global needs in 2050, according to a University of Minnesota study. The analysis identifies focus areas for closing the gap, including targeting investments on arable lands and improving best management practices.
Researchers found that black locust, a short-rotation woody crop, has the highest yield and fastest harvest time among the crops evaluated. The crop's rapid growth allows for more frequent harvesting, making it an attractive option for biomass production in the Midwest.
Researchers at Michigan State University have developed a new crop modeling system called SALUS to better predict global wheat yields and their impact on the environment. The system integrates multiple crop simulations with improved climate change models, reducing uncertainties and providing more accurate forecasts.
An interdisciplinary team will analyze soil, crop, and climate conditions at 75 Midwestern corn farms to identify factors influencing farmers' decisions about environmentally friendly practices. The study aims to reduce water pollution and greenhouse gas emissions from corn farming, with results expected to inform policy approaches.
Increasing crop water productivity could feed an additional 110 million people while meeting domestic water demands of nearly 1.4 billion, according to a new study. The research team analyzed 16 staple crops globally, identifying opportunities for improving trade-off between food and water.
A new regulator for plant hormone signaling, the KISS ME DEADLY family of proteins (KMDs), has been identified by Dartmouth researchers. This discovery may lead to improved agricultural productivity and increased crop yields.
A study found that rotating nematode-resistant wheat with tomato plants reduces nematode numbers in soil and protects the next crop. The resistant wheat was bred with a gene that makes it less susceptible to root-knot nematodes, which cause significant damage to crops worldwide.
A new US inventory of crop wild relatives has identified nearly 4,600 species, including close relatives of sunflower, bean, sweet potato, and strawberry. The findings highlight the need for conservation efforts to protect these species from habitat loss, pollution, and climate change.
A new study published in Significance magazine assesses how precision agriculture can improve the farming economy and crop quality, ensuring food security. Geostatistics is used to map and predict soil properties, allowing farmers to apply inputs like fertilizers and pesticides more efficiently.
A team of Kansas State University researchers, led by Barbara Valent, has been awarded $5.5 million to develop resistant varieties and diagnostic tools for two deadly diseases: wheat blast and rice blast. The project aims to improve U.S. rice production and protect the nation's wheat crop.
Two studies published in Nature provide unprecedented insights into the biology of wheat, shedding light on its adaptation and domestication. The research reveals the importance of transposable elements and microRNAs in shaping the genome, as well as their potential applications in improving crop yields and disease resistance.
A large-scale study found that wild insects consistently enhance fruit set for a broad range of crops and agricultural practices on all continents. The researchers concluded that losses of wild insects from agricultural landscapes will likely impact both natural heritage and harvests.
A recent study found that managed honey bees are less successful at pollinating crops than wild insects, highlighting the negative consequences of losing wild insect populations. The research emphasizes the need for integrated management practices to promote long-term agricultural production and enhance global crop yields.
A study developed a new model to improve climate balance in agriculture by identifying key factors contributing to greenhouse gas emissions and energy inefficiencies. Organic farming strategies, such as planting legumes and using soil less intensively, show promise for reducing emissions and improving yields.
A Swiss government-protected field site will provide a secure environment for GM crop researchers, enabling them to conduct experiments without security measures. This model could help European countries evaluate the advantages and disadvantages of GM crops in an objective manner.
The symposium aims to find solutions to the increasing gap between food production and water availability. Experts will discuss ways to optimize water use in crop production, protect freshwater resources, and reuse gray water to ensure both adequate food and abundant water supplies for future generations.
A research project in Malawi has led to significant increases in crop yields, with corn production rising by 200% through crop rotation. Meanwhile, children's weight and height have improved, meeting international norms for healthy children. The program's success is attributed to the adoption of bushy legumes and diverse crop rotations.
Researchers found that mixing different cover crops can increase dry matter biomass by up to 25% while reducing weed suppression needs. This long-term study supports the use of legume-rye mixes for optimal results in commercial organic production systems.
Researchers create mathematical model of plant petals to understand iridescence and its role in attracting pollinators. The study, published in Journal of the Royal Society Interface, provides a first analysis of how petal surface patterns might be produced.
A University of Illinois study found that perennial biofuel crops such as miscanthus can greatly reduce nitrogen losses in the environment. The crops showed high efficiency in reducing nitrate leaching and nitrogen oxide emissions, making them a promising alternative to traditional corn-based ethanol production.
Researchers in China have discovered that corn can be used as a trap crop to control the devastating parasitic weed sunflower broomrape. The weed causes significant damage to vegetable and row crops, but using corn as a trap crop can induce suicidal germination in the weed, reducing its impact.
A study published in Nature Communications found that 24-39% of harvested areas experienced stagnation or decline in maize, rice, wheat, and soybean yields between 1961 and 2008. The findings highlight the need to shift focus from meat and biofuel production to food security, particularly for staple crops like wheat and rice.
The University of Illinois has received a five-year, $25-million grant to boost the efficiency of key food crops like rice and cassava through improved photosynthesis. This project aims to increase crop productivity while reducing water and nitrogen usage, addressing the challenge of global food security.
University of Illinois researchers have refined a model to describe the relationship between root injury caused by corn rootworm pests and yield loss. The model suggests that yield is reduced by 15% for each node of roots lost, with location and experimental error having statistically significant effects.
Researchers at the University of Liverpool have deciphered the genetic code of wheat, enabling breeders to produce varieties with disease resistance and drought tolerance. The team's breakthrough analysis of over 90,000 genes will help farmers adapt to changing environmental conditions.
The study provides a high-quality genome sequence of an East-Asia watermelon cultivar and resequencing of 20 watermelon accessions, shedding light on the molecular basis of disease resistance and evolutionary history. The results reveal clusters of resistance genes and tandem duplications as potential evolutionary bases for these traits.
A £16M initiative will develop ways to improve the sustainability of vital food crops in sub-Saharan Africa and Asia. The projects aim to increase sustainable crop yields and improve global food security.
The University of Southampton is leading a €11.6 million EU-funded research project to develop new crops that can withstand drought, addressing the impact of climate change on crop productivity. The project aims to characterise DNA variation in under-utilised crops and harness this knowledge to produce better crops.
Reducing nitrogen fertilizer use by 60% in over-fertilized areas could substantially decrease greenhouse gas emissions without affecting crop productivity. The study found that N2O emissions have become the dominant factor in China's warming effect, surpassing the cooling effects of CO2 uptake.
Researchers at Kansas State University are using the new mass spectrometer to analyze plant responses to heat, cold, and other stresses. By studying Arabidopsis thaliana, a model plant species, they aim to improve crop plants' ability to withstand environmental stress.
A European-wide network aims to improve GMO regulatory systems through systematic environmental impact assessments. The network addresses public concerns and creates confidence in the ENSyGMO results by analyzing GM crop effects using integrated approaches and methods at various scales.
Michigan State University has been awarded a $1.6 million grant from the USDA to support specialty crop yields and profit through improved pollination management. The five-year project aims to develop region- and crop-specific Integrated Crop Pollination approaches using honey bees, wild bees, and alternative managed bees.
Researchers found that Napiergrass is a viable biofuel crop in the Southeast's southern tier, offering advantages such as continued biomass production until the first frost. Further studies are underway to improve yields, fiber content, and disease resistance.
Researchers at USDA's ARS have identified sorghum as a promising bioenergy crop thanks to its drought tolerance, versatility, and high biomass content. The plant can produce sugar that can be converted into biofuel, making it an attractive alternative for the southern US region.
The new screening technique uncovers five novel immune-priming compounds in Arabidopsis plants that protect crops without impacting growth or yield. These compounds work by inhibiting enzymes that inactivate defense hormone salicylic acid, leading to enhanced disease resistance.
The Crop Science Society of America has selected 7 members for the 2012 class of Fellows, recognizing their professional achievements and meritorious service in crop science. The new fellows include experts from universities, government institutions, and private companies.
Researchers found that closing the yield gap on underperforming lands could boost production significantly, while also reducing the environmental impact of agriculture. The study suggests that more strategic use of fertilizer and water could lead to substantial gains in crop production and reduced adverse environmental impacts.