Articles tagged with Crops
Researchers have successfully used digital imaging to measure pyrethrum flowers before harvesting, detecting 88% of flowers compared to manual recognition. This automated system allows for faster and easier image collection, enabling greater plot areas to be sampled for yield estimation.
Researchers tested eggplant irrigation rates and found that moderate watering can reduce nitrogen leaching and maintain fruit yields. The study suggests a potential to lower current irrigation rates without negatively impacting crop performance.
A new study led by McGill University and the University of British Columbia found that droughts have a significant impact on cereal crop production, particularly in developed nations. The research analyzed data from 177 countries and found that global production lost to extreme weather events averaged around 9-10%.
Researchers found that foliar applications of kaolin at 2.5% and 5% controlled approximately 80% of the whitefly population in bean crops. Kaolin also improved plant physiology, reducing transpiration by 40% and increasing leaf chlorophyll content by 43%.
Scientists at the Salk Institute discovered a way plants assess shade to outgrow menacing neighbors, triggering accelerated growth through molecular sensors. This finding could improve crop productivity and help farmers grow crops closer together.
Researchers found biochar produced from tomato crop green waste can be used as a substrate for soilless hydroponic tomato production. The study showed that tomatoes grown in biochar-based substrates had similar growth, yield, and fruit quality to those in pine sawdust.
Scientists evaluated nine spring and six fall crop cultivars for suitability as baby-leaf salad greens in the Pacific Northwest. Pak choi 'Joi Choi' and Mustard 'Komatsuna' showed high marketable weight, quick harvest time, and good weed competitiveness.
A new decision support tool has been developed to help farmers and policymakers optimize soil carbon stocks and fertility. The tool identifies five cost-effective methods to improve soil health, including crop rotation, residue handling, and conservation agriculture.
The US hemp industry is expected to grow as the country's demand for healthful foods increases, thanks to the nutritional profile of hemp. The crop contains all nine essential amino acids, omega-6 and omega-3 fatty acids, and has been shown to have potential health benefits.
A recent study led by the University of Queensland found that non-bee insect pollinators, such as flies and butterflies, are crucial for crop pollination. These insects performed 25-50% of total flower visits and provided similar pollination services to bees.
The red clover genome provides a valuable tool for improving the beneficial traits of this important forage crop, including its ability to fix atmospheric nitrogen and provide protein-rich livestock feed. The genome assembly will pave the way towards genomics-assisted breeding methods for forage legumes.
Researchers sequenced the entire genome of Oropetium thomaeum, a grass species that can regrow after drought. The study provides insights into its drought tolerance mechanisms and could lead to improved crop yields in water-scarce conditions.
The village of Ceren shows significant interactions among families and villagers in daily life, challenging traditional top-down societies. Archaeological evidence indicates the villagers had free reign regarding architecture, crop choices, and economics.
The CU-Boulder study found that the ancient villagers of Ceren had significant interactions among families, village elders, craftspeople, and specialty maintenance workers. The village's high degree of preservation allowed researchers to see daily life in detail, with evidence of free market transactions and no control by elite royalty.
Research reveals that 'Honeycrisp' apple size and soluble solids content significantly impact consumers' willingness to pay. Growers can increase prices by optimizing fruit size, while maintaining acidity levels to command higher prices.
Researchers at Queen's University Belfast have developed a technology using peptide mimics to combat parasitic nematodes, which infect crop plants and reduce yields by up to 50%. The project aims to protect crops like banana and plantain, grown by smallholders in developing countries.
A $6.5 million USDA grant is supporting genomic-assisted breeding efforts for cucurbits, aiming to reduce disease problems in squash and melons. Researchers will use genomics techniques to identify genetic markers for disease resistance, enabling breeders to develop more robust crop varieties.
A recent study by Dr Shawn McGuire and Dr Louise Sperling found that farmers in developing countries do not scale back on seed production during times of stress. Instead, they adapt and access seed from various channels, including local markets, which supply more than half of all seed used by farmers. This challenges conventional appro...
Agricultural researchers propose using odors and nectars from wild plants to attract pest-eating predators, mimicking nature's defense against aphids and other insects. This approach could be achieved through breeding programs or artificial devices.
New study recommends four rhizoma peanut selections for ornamental use, with potential benefits including increased canopy cover duration and reduced maintenance needs. The plant's ability to thrive in both full sun and shaded conditions makes it a viable turf alternative.
Two University of Toronto scientists developed a new research framework to measure agricultural impacts using functional trait-based ecology. The approach focuses on how plants respond to and affect changes in their environment, providing insights into crop diversity, nutrient cycling, pest repellence and drought mitigation.
The South American tomato leafminer, Tuta absoluta, threatens US tomato crops with potential crop loss of up to 100%, prompting Virginia Tech-led recommendations for quarantine measures and monitoring programs. World production of tomatoes is approximately 163 million tons annually.
A sweeping study by Kansas State University reveals a decline in crop diversity across the US over the past 34 years, with significant regional variations. The research highlights the potential consequences of this trend on agroecosystem function and food system sustainability.
A team of MSU researchers, led by Sarah Evans, will study how plants interact with microbes to obtain nitrogen in abandoned farmlands. The goal is to maximize biofuel yields while minimizing fertilizer use and preserving soil health.
Scientists have discovered a new parasitoid wasp species that can kill up to 25% of the Asian fly larvae, a widely spread invasive pest corrupting large parts of the pigeon pea crops. This natural enemy has the potential to be a biocontrol agent, offering a promising solution for the Dominican Republic's economic losses estimated at 76%.
A large-scale genetic study of marijuana and hemp revealed a lack of knowledge about cannabis due to its controlled status. Researchers found that cannabis plants are often incorrectly labeled and breeders' claims about strain ancestry are not accurate.
A research team at the John Innes Centre has identified and studied peas with mutations in genes coding for seed protease inhibitors, which can reduce protein availability by up to 10%. The study provides proof of principle for genetic approaches to improve crop traits, including the removal of allergenic proteins.
A University of Exeter review highlights the dangers of relying on climate-based projections for crop pest distributions. Crop pests like the Colorado potato beetle have evolved rapidly to evade predictions, making it challenging to predict their future spread.
Researchers found that strip-till farming increased soil organic matter content by 8.6% after five years compared to no-till methods. This resulted in reduced bulk density and penetration resistance, creating a more favorable environment for crop growth.
A new study using genomics to match plant varieties with climate stresses shows promise for increasing crop resilience. Researchers mapped genomic signatures of adaptation in sorghum varieties, identifying those that thrive under drought or toxic soils.
A recent study from Michigan State University found that perennial biofuel crops use a comparable amount of water as traditional corn crops in the Midwest. This discovery has significant implications for cellulosic biofuel production and understanding the impact of climate change on water balances.
CAM research provides a roadmap for increasing agricultural production by developing water-efficient crops and improving existing non-CAM crops. The emerging discipline has tremendous potential for applications, attracting growing interest from academia and industry.
A study by Sasha Kravchenko reveals that long-term differences in soil use impact pore sizes and microbial communities, providing plants with essential nutrients. The research compared two agricultural systems, finding complex pore structures and unique bacterial colonies within individual aggregates.
The University of Illinois will lead a $3.1 million project to develop all-terrain automated ground rovers for high-throughput field phenotyping. These rovers will measure crop growth using 3-D reconstruction and various sensors, enabling faster breeding of energy sorghum and other bioenergy crops.
A major international study reveals that only two percent of wild bee species are responsible for pollinating 80 percent of global crops. This finding underscores the importance of preserving biodiversity, particularly among common wild bee species such as the common eastern bumblebee and red-tailed bumblebee.
Researchers from the University of the Basque Country have identified key volatile compounds in damaged walnuts that attract insect pests, threatening California's walnut harvests. The team has developed a blend of these aromatic compounds to control pests sustainably and reduce pesticide use.
A comprehensive study by Washington State University scientists David Crowder and John Reganold reveals organic agriculture has significant profit margins compared to conventional farming. Despite lower yields, organic agriculture offers greater environmental benefits and can expand its share in sustainable food production.
Researchers found that applying a fence around a nest protects it from harvesting operations and predators, with a map directing citizen science efforts for maximum benefit. However, predation can counterbalance the positive impacts of protection.
The new TSEA or Agricultural Ecosystem Health Cards provide a practical tool for diagnosing agricultural ecosystem health through analysis of surface-level crop indicators and underground soil level. These handbooks enable users to make basic or advanced diagnoses, with a focus on biological parameters such as microbiological activity.
A new study found that genetically modified corn's Cry1Ab toxin has little impact on the corn earworm, contradicting earlier predictions. The results suggest that pest resistance to GM crops may be more widespread than initially thought, highlighting the need for ongoing monitoring and research.
A research project by ACIB uses bacteria as bodyguards for seeds like corn, canola, and sugar beet to improve growth, ward off pests, and increase resilience. The method has shown positive results in tests, offering a viable alternative to pesticides for healthier food production.
A recent study found that organic farming systems provide greater economic value than conventional systems, with ecosystem services like pest control and nitrogen release generating higher profits. The research suggests that government incentives or market rewards can encourage the adoption of sustainable practices in agriculture.
The increasing use of asbestos in Asia poses a significant threat to public health, with the potential for widespread mesothelioma and lung cancer cases. Government and non-government groups must work together to improve recognition and diagnosis of asbestos-related lung diseases.
Researchers recommend specific strawberry cultivars for challenging conditions in the US Southwest. The study evaluated 16 varieties and found that 'Wendy', 'Brunswick', and 'Honeoye' are tolerant to high-pH soil, while others like 'Allstar' and 'Chandler' are sensitive.
Prickly lettuce has potential as a new cash crop providing raw material for rubber production, according to Washington State University scientists. They identified genetic markers linked to rubber production in the plant's genetic code, opening the way for breeding desired traits and developing a sustainable source of natural rubber.
Experiments show that living mulch can reduce broccoli yields, with reduced effects when organic fertilizer is added.
A study found that 7 million acres of new land were converted to cropland for biofuels, replacing millions of acres of grasslands and emitting significant carbon dioxide. The conversion, mainly to corn and soy, could have released as much CO2 as 28 million cars on the road.
This special issue delves into the latest research on molecular gastronomy, perception of food, growing crops, obesity, and diet's impact on the circadian clock. Researchers discuss the science behind cooking techniques, flavor creation, and how chefs are pioneering new fermentation reactions.
Researchers at the University of Illinois found that an intensified management system increased corn yields by 28%, primarily due to the combined effects of Bt trait, strobilurin-containing fungicide, and balanced nutrition. The study suggests that no single factor is crucial, but rather the synergistic effect of all five management fa...
Researchers have developed genetic tools to pre-adapt crops to future drier climates, improving water efficiency and reducing the need for irrigation. By altering plant stomata, crop yields can be maintained or increased with less water, supporting regions facing water scarcity.
In a study published in PLOS ONE, researchers found that ants in white plaster nests filled specific corner areas with feces of the same color as their fed food, indicating potential 'toilets'. The ants also preferentially placed these toilets in corners, highlighting a unique aspect of ant sanitation.
Researchers at Trinity College Dublin have discovered that naturally occurring plant-friendly fungi can prevent crop-ravishing diseases from spreading and aid plant survival in testing environmental conditions. These 'symbiotic' relationships between barley and the fungi increase plant survival by up to six times.
Scientists at The University of Nottingham have developed new breeding techniques to enhance flood tolerance in barley and other crops. They identified the mechanism used by plants to sense low oxygen levels and reduced yield loss in water-logged conditions, leading to improved crop resilience.
A team of scientists led by Sean Cutler at UC Riverside successfully repurposed an agrochemical to enhance plant drought tolerance. The researchers engineered plant receptors to respond to mandipropamid, a widely used agricultural chemical, and found that the plants effectively survived drought conditions.
Agricultural fires in Indochina were detected by NASA's MODIS instrument, revealing the region's reliance on deliberate burning for land management. The practice helps enhance crops and grasses but also degrades air quality through smoke production.
Researchers discovered that high temperatures stimulate stem growth in plants, contrary to cooler temperatures where light inhibits it. Mathematical models and experiments validated the findings, suggesting plants may associate hot weather with drought risk and grow quickly to reproduce.
A new study led by University of Arizona scientists found that transgenic crops producing two or more Bt toxins do not effectively delay pest evolution. In reality, the actual efficacy against pests often does not live up to computer simulation models, leading to inadequate management guidelines.
In 19th century New Zealand, yellowhammers were introduced to control insect pests but became a nuisance themselves. A new study reveals how they went from welcome guest to public enemy in just 15 years through careful analysis of historical documents and newspaper articles.
Researchers created an oil palm system model using APSIM framework to help growers maximize yields while reducing environmental harm. The model accounts for soil, climate, and management factors to evaluate water balance, nutrient balance, and greenhouse gas emissions.
Scientists suggest rewilding crops by reintroducing lost genes to regain beneficial properties like disease resistance and higher nutritional value. However, these genetically modified organisms may face challenges for market penetration due to consumer concerns.