Articles tagged with Crops
Stemphylium leaf blight has emerged as the most dominant foliar disease in New York onion crops, causing lesions that lead to loss of green leaf area and potentially affecting bulb size and quality. The re-emergence of SLB is attributed to fungicide resistance, leading to its removal from commercial production.
Researchers have engineered a new variety of gene-edited tomato plants that can be grown in compact spaces, producing ripe fruit in under 40 days. These 'urban agriculture tomatoes' are designed to thrive in urban environments or other places with limited space, such as on the roof of a skyscraper or in space.
Researchers are exploring how cover crops can enhance the sustainability of star fruit farms in Florida. By incorporating cover crops like sunn hemp and velvet bean into their practices, farmers can improve soil organic matter and reduce the need for synthetic inputs.
JUA Technologies International, a Purdue University-affiliated startup, has partnered with BrazAgro Ltd. to distribute its solar-drying tray, Dehytray, in Burundi, Ethiopia, Kenya, Rwanda, Tanzania, and Uganda. The Dehytray uses natural solar energy to dry specialty crops like leafy greens, coffee, and grains.
A new study by University of California, Berkeley, identified a core microbiome in commercial tomatoes that is robust and stable. The researchers used experimental evolution to select for microbes that best survived on the plants, resulting in a healthy plant microbiome.
A new study by John Innes Centre reveals that warmer Octobers can lead to higher oilseed rape yields, as plants grow longer under warmer conditions. This is the first 'lab in a field' experiment, which simulated warmer October temperatures using soil surface warming cables.
A five-year study by Oregon State University found that deer and elk can play a key role in controlling broadleaf vegetation that competes with Douglas-fir seedlings. In some cases, the presence of large herbivores promotes crop tree survival and growth.
Researchers are exploring various water management techniques to optimize crop yields and reduce water usage in water-scarce areas. Advanced irrigation technologies, such as mobile drip and precision application, show promise in reducing applied water by up to 20%.
Researchers at KAUST used advanced quantile regression techniques to analyze barley plant traits affecting yields in saline and nonsaline conditions. Two key traits help gain high yield under saline conditions: early flowering time and a specific ear number per plant.
Researchers detected imidacloprid residues in 48% of rape fields, posing a non-negligible risk to pollinating bees. Persistent use of neonicotinoids with certain crops threatens bee populations, highlighting the need for reinforcement of pesticide controls.
A new study found that a permitted neonicotinoid insecticide can effectively control pests while improving bumblebee foraging and food stores. This suggests certain neonicotinoids may be beneficial to bees, but the researchers caution against considering them as a homogeneous group.
A study by Ohio State University researchers found that regular foot patrols in two forest reserves reduced illicit activity by over half between 2012 and 2016. The patrols led to the arrest of six poachers, destruction of hundreds of hectares of cocoa farms, and a significant decline in gunshots and snares used to capture game.
High crop density and inadequate fungicides contribute to new disease emergence in ready-to-eat salads. Climate change also plays a role, reducing plant resistance to pathogens.
The University of Tennessee Institute of Agriculture is developing a 'fresh electric farm' to produce nutritious crops in controlled environments, reducing carbon footprints. The first crop being studied is kale, grown in a storage container under bright LED lights.
Cassava farmers in Tanzania can reduce disease spread by planting susceptible varieties during the long rainy season and disease-resistant ones during the short rainy season. This approach helps minimize quality loss over repeated planting cycles, offering a cost-effective solution for crop production.
A new study suggests that unchecked climate change will lead to a decline in arable farming in the east and south east of England by 2100. Crops may still be grown with irrigation, but this would require significant water transport or storage.
Researchers at the University of Bath have characterized receptors unique to fungi that prevent sexual reproduction, which could be targeted to slow down fungal evolution. By making fungi believe they are starving, these receptors could inhibit sex and increase the shelf life of resistant crops and antifungal compounds.
Researchers have generated genetic resources for three different varieties of millets, which can lead to the development of new crop varieties. The study's findings uncover tiny differences in DNA sequences that may be connected to characteristics like drought tolerance and growth rate.
A study published in Current Biology found that pig-tailed macaques actively search for and hunt rats, a major pest of palm oil crops. By controlling rat populations, the macaques can reduce crop damage by up to 3%, leading to increased yield and sustainability.
Cotton blue disease, caused by Cotton leafroll dwarf virus, was reported in the US for the first time in Alabama in 2017. The disease affected approximately 25% of the state's cotton crop and resulted in a 4% yield loss.
A new interactive global map reveals where people receive the most benefits from nature, with up to 5 billion at higher risk by 2050. The study highlights inequitable distribution of environmental impacts, with developing countries bearing a disproportionate share.
A new study investigates how wild pig invasions are dependent on the availability of crops and non-agricultural food sources. The researchers found that pigs eat and damage agriculture more when it is highly available, but this behavior lessens when non-agricultural food sources are also highly available.
Researchers are developing robust gene transfer and editing technologies to study the unique biology of hornworts, which could lead to breakthroughs in plant evolution, crop yields, and environmental sustainability. The ultimate goal is to engineer symbiotic nitrogen fixation into crop plants, reducing fertilizer use and pollution.
A new study from Iowa State University highlights the need to update agricultural drainage infrastructure, which can benefit crop production and the environment. The research recommends installing higher capacity pipes and implementing long-term conservation practices, such as denitrification wetlands, bioreactors, and saturated buffers.
A University of Córdoba research group has developed a system that can stop the development of Fusarium oxysporum, a pathogenic fungus affecting over 100 crops. The method exploits the fungus's use of autocrine pheromones to detect its own species and control its growth.
Researchers have discovered that drought stress triggers the activity of Rider retrotransposons, potentially leading to new trait variations in crops. The study highlights the potential of transposons as a source of crop improvement, particularly in breeding more resilient crops against climate change.
Researchers have developed a new flaxseed cultivar called ND Hammond with significantly higher seed yield than other varieties. It also exhibits resistance to Fusarium wilt and flax rust diseases, making it an attractive option for US farmers.
A new model developed by Stevens Institute of Technology researchers can predict how conservation approaches can reduce demand for phosphorus, a vital resource for feeding the world. The model shows that collective diet changes, such as reducing meat consumption or switching to lower-feed meats, can significantly reduce phosphate minin...
Scientists analyzed China's crop production and trade over 1986-2015, finding that imports can relieve nitrogen pollution but also expose China to market risks. The study proposes 'alternative' nitrogen and land concepts to mitigate environmental damage.
A team led by James Umen and Ru Zhang has identified hundreds of 'Deep Green' genes in land plants and green algae with unknown functions. These genes are likely to play important roles in photosynthetic cells and may be exploited to improve bioenergy crops under drought, heat or nutrient stresses.
A new study reveals that climate change could significantly reduce or eliminate gains in banana crop yields worldwide, with 27 countries experiencing increased yields since 1961. By 2050, 10 major producers including India and Brazil are predicted to see significant declines in yields.
A new study found that almond, cherry, and meadowfoam provide ample pollen to honeybees, while highbush blueberry and hybrid carrot seed crops may not. Pollen diversity is crucial for colony growth and survival of the western honeybee.
New research suggests that understanding plant biological clocks can refine the use of chemicals like glyphosate, allowing for more efficient and sustainable agriculture practices. By applying treatments at optimal times, farmers can reduce herbicide usage, saving time and money while minimizing environmental harm.
Researchers found that adding compost and cover crops to organic-certified systems increased soil carbon content by 12.6% over a 19-year period, outperforming the international '4 per 1000' initiative. This approach stores more carbon than previously calculated, highlighting the importance of balancing diet for microorganisms in soils.
The tarnished plant bug is a significant pest of cotton in North Carolina and Virginia, feeding on reproductive tissues and damaging crops. Effective management strategies include sampling correctly, applying thresholds properly, planting early, and avoiding overfertilizing and overirrigating.
A new smartphone app scans plants for signs of major diseases and one common pest, detecting them with a 90% successful rate. The app aims to link farmers to extension workers and satellite images to prevent production losses and support global disease control.
A long-term study in California's Salinas Valley found that annual cover cropping significantly benefits soil health, while organic matter from compost has relatively small effects. The research suggests innovative strategies to increase cover cropping adoption, improving soil quality and sustainability.
Researchers found two eco-friendly methods to combat Tomato Yellow Leaf Curl Disease: using UV-blocking plastics and salicylic acid analogues. These alternative approaches could help farmers reduce damage and improve crop yields without harming the environment.
Agrivoltaics combines solar panels and agriculture to create a more efficient and sustainable system. This practice reduces evaporation of irrigation waters in summer and increases photosynthesis, leading to improved crop growth and reduced water usage.
A new University of Vermont study reveals that certain essential oils, including garlic, spearmint, and thyme, can effectively repel the swede midge pest from broccoli crops. The study provides a novel framework for exploiting plant odors to manage invasive pests, offering a sustainable solution for organic farmers.
A new Cornell University study reveals that releasing natural enemies to combat pests is more effective in fields surrounded by forests and natural areas, resulting in fewer pests, less plant damage, and increased crop biomass. Conversely, farms with predominantly agricultural landscapes saw the opposite outcome.
Researchers mapped the crystal structure of a key protein that makes metabolites responsible for the bitter taste in Brassicas. The study could be used to manipulate crop plants for nutritional and taste benefits.
A recent study reveals that global agriculture is shifting towards monocultures, threatening food security and the livelihoods of millions. The majority of the world's fastest-growing crops rely on pollinators, which are under threat due to pesticides and habitat loss.
The genome of black-eyed peas has been fully sequenced, providing valuable insights into the genes responsible for their drought and heat tolerance. This breakthrough could help develop new crop varieties more resilient to climate change, particularly in regions where water availability is limited.
Researchers at La Trobe University have discovered a protein that can sense vital phosphorus levels in plants and adjust growth and flowering accordingly. This breakthrough has the potential to reduce fertiliser wastage and improve crop efficiency, leading to significant environmental and economic benefits for farmers.
Gene banks are shifting to bioinformatics and big data analytics to enhance biodiversity preservation. Three major challenges arise: tracking accessions, avoiding duplications, and maintaining genetic integrity. A genomic-driven approach can address these issues by utilizing genotypic information.
A new computational model reduces experimental error in coffee yield predictions, allowing researchers to identify high-yielding varieties with more uniform yields across multiple years. The study also reveals that some coffee plants can have reasonably stable yields across years, contradicting previous assumptions.
A new study by the University of Exeter reveals that crop pests are likely present in many places thought to be free of them. The researchers used data from 1,739 pests and found large numbers of pests in China, India, southern Brazil, and former USSR countries.
Researchers at the University of Copenhagen are working on a six-year collaborative project to develop more resilient crops using beneficial microorganisms. The goal is to create crops that can thrive in an environmentally friendly manner, reducing the need for pesticides and fertilizers.
The study reveals that the main perceived production problem is insect management, followed by crop timing and disease management. The survey also highlighted common postharvest issues such as temperature management, hydration, and flower food management, with hydration and vase life being the top concerns.
The study reveals that high tunnels can increase yield, enhance shelf life, and improve crop quality, but also pose challenges such as added labor and time requirements. Farmers perceive the ability to differentiate products based on higher quality and premium pricing as a key attractive opportunity.
New research reveals migratory hoverflies pollinate billions of flowers, produce aphid-eating larvae that control crop pests. The study shows these numbers have been relatively stable over the last decade, providing essential ecosystem services.
A new study by Oregon State University researchers identifies optimal locations and timing for releasing samurai wasps to control the brown marmorated stink bug, which devastates gardens and crops. The wasps lay eggs inside stink bug eggs, preventing hatching and reducing pest damage.
Researchers have identified specific genetic markers that contribute to larger switchgrass harvests while reducing potential crop weaknesses. This study provides new insights into how plants adapt to different environments and could lead to improved bioenergy crop performance.
A new study by Oregon State University found that large-scale land transactions negatively affect local women more than men, leading to increased labor burdens and decreased access to food. The study, which analyzed four land grabs in western Ethiopia, found that women suffered adverse effects on their health and well-being.
A machine learning platform called AirSurf-Lettuce uses computer vision and deep learning to categorize lettuce crops in fields, measuring quantity, size, and location. This technology can help reduce yield loss up to 30% by providing precise harvest times and improving crop management decisions.
A comprehensive network of sites has been developed to conserve and utilize the genetic diversity of wild crop relatives, enabling plant breeders to create more resilient crops. The 150 identified 'hotspot' sites worldwide are crucial for tackling global food security challenges and preserving nature conservation.
Researchers argue that increasing crop yields is insufficient to end global hunger, as it overlooks the environmental impacts and nutritional quality of diets. A new study suggests that adopting ecological principles can improve the environmental sustainability of food production and promote biodiversity.
A study by IIASA suggests prioritizing water for the environment can be achieved by shifting crop production to water-abundant regions and tripling international food trade. This approach could help maintain both food security and environmental flow requirements by 2050.
UK rapeseed growers are facing significant losses due to temperature fluctuations during late November to December. The study found that even small changes in temperature during this period can lead to yield losses of up to £160 million, or 25% of the total value.