Articles tagged with Wheat
A University of Sussex mathematician has developed a chemical-free way to target parasitic nematode worms that destroy wheat crops. The breakthrough method uses biostimulants derived from naturally occurring soil bacteria to precisely kill the nematodes without harming other insects.
Researchers at the University of Bath have discovered that targeting fungal G-protein coupled receptors could be key to controlling Fusarium head blight, a devastating disease that affects wheat crops worldwide. By studying these receptors, scientists hope to develop new approaches to control the disease and reduce crop losses.
Researchers identified a helicase gene, ReqQ, involved in gene conversion and crossover frequency, the first of its kind in plants. This breakthrough may help breeders break up linked regions, increasing desirable genes without sacrificing vital plant functions.
Researchers at Chinese Academy of Sciences develop CRISPRed wheat with tolerance to sulfonylurea, imidazolinone, and aryloxyphenoxy propionate-type herbicides. The trait offers low-risk weed control for millions of multi-cropping farmers in China.
A recent study by ETH researchers suggests that anthropogenic climate change is causing simultaneous heatwaves across the Northern Hemisphere, affecting key agricultural regions and densely populated areas. The study found that such large-scale heatwaves first appeared in 2010 and have since become more frequent and widespread.
The genome assembly of durum wheat has provided new insights into its domestication history and genetic properties. The study revealed a mutation that leads to high cadmium content in grains, enabling plant breeders to selectively breed modern durum cultivars with reduced cadmium levels.
A study published in Nature Genetics has identified a gene responsible for cadmium accumulation in durum wheat, a toxic metal that poses serious health risks. The discovery enables the rapid development of low-cadmium durum wheats, increasing the quality and safety of pasta and couscous.
An international consortium has sequenced the entire genome of durum wheat, revealing genes responsible for traits like yield, disease resistance, and nutritional properties. The team has also identified a gene that accumulates cadmium in durum grain, enabling selective breeding to reduce toxic levels.
Researchers found grains of barley and wheat on the Aland Islands and in Sweden, dating back 4,300-5,300 years. The discovery suggests that small-scale farming was adopted by the Pitted Ware Culture from farmers of the Funnel Beaker Culture.
Researchers identify genomic regions affecting radiation use efficiency and biomass accumulation in spring wheat, providing a crucial resource for scientists and breeders. The study aims to increase wheat yield potential without sacrificing grain yield, addressing the challenge of sustainingably feeding a growing population.
Researchers predict wheat weed growth to reduce herbicide usage, allowing for targeted treatment and environmental gains. By analyzing satellite images and spatial data, the study identifies optimal locations for herbicide application, reducing waste and costs.
A new crop-climate coupled model simulates crop development and production, offering improved accuracy in climate predictions. The model successfully captures crop phenology and corrects biases in the original climate model, making it a valuable tool for global change studies.
Global crop-growing regions will experience changes in rainfall patterns by 2040, even if Paris Agreement targets are met. Up to 14% of wheat and maize land will be drier while up to 31% will be wetter.
Researchers identified 1,544 enzymes that play a key role in wheat's defense against fungal infections. The study found that proteases are involved in cell death induced by infection, but contradicting the current understanding that caspase-like enzymes initiate this process.
A study by Leibniz Institute of Plant Genetics and Crop Plant Research has identified the GNI-A1 gene as a key player in regulating floret fertility in wheat. The gene's reduced-function allele was found to increase fertile florets, leading to higher grain counts and yields.
A recent study published in PNAS revealed that raindrop impact can transport rust spores using tornado-like air vortices, enabling long-distance pathogen spread. This discovery has significant implications for preventing disease spread in wheat crops and may inform new strategies for managing disease.
Researchers at La Trobe University and CSIRO found that early sowing of winter wheats can increase Australian wheat crop yields and global food security. The approach could add $1.8 billion to the national economy, with potential yield increases of 20%.
Researchers have discovered that vernalization is influenced by both cold and warm conditions, with a wider temperature range than previously thought. The study found that warmer temperatures can trigger an 'extreme vernalization response', leading to unique gene expression patterns in certain wheat cultivars.
A global alliance of researchers has pioneered a new method to rapidly recruit disease-resistance genes from wild plants for transfer into domestic crops. The technique, called AgRenSeq, promises to transform the development of disease-resistant varieties for the global food supply.
Researchers have developed a new method called AgRenSeq, which enables the rapid recruitment of disease resistance genes from wild plants and their transfer into domestic crops. This technique has been successfully trialed in a wild relative of wheat and holds promise for protecting multiple crops worldwide.
Grasses have multiple copies of a gene that induces flowering during long days, but one duplicate has been repurposed to be expressed during short days, giving some grasses a new way to prepare for spring. This adaptation allows them to flower quickly in spring, providing an edge in the race to produce seeds.
Researchers at Aarhus University found that current breeding programs for European wheat do not provide sufficient climate resilience. This lack of response diversity can lead to reduced yields, increased yield variability, and market volatility.
A decline in European wheat's climate resilience is reported, as analyzed from farmers' field data and trials. Wheat cultivar diversity hotspot exists in Slovakia, but deserts are found in Czechia, Germany, Italy, and Spain
Researchers have identified a methyltransferase enzyme that enables wheat plants to adapt their defense response to different herbivores. The discovery reveals the multifunctional role of benzoxazinoids in regulating defense mechanisms, including the regulation of callose production to block aphid feeding.
Researchers from Aarhus University have made significant breakthroughs in understanding the mechanisms of yellow rust resistance in wheat. The study found that Yr15 gene produces defence responses early in infection, providing a crucial piece of information for developing disease-resistant varieties.
Scientists at John Innes Centre and University of Queensland have improved space-inspired speed breeding technique to breed disease-resistant, climate-resilient crops. By using enhanced LED lighting and day-long regimes, they can grow six generations of wheat per year, compared to two generations using traditional breeding methods.
Scientists have identified a significant link between spring cold spells and crop yield losses in North China. Continuous negative temperature anomalies during these events can lead to devastating effects on wheat yields, resulting in losses of up to 20%.
Researchers at Mount Sinai Hospital have successfully induced desensitization in the majority of children with wheat allergies through oral immunotherapy. After 52 weeks, 52% of children consumed a cumulative dose of 4,443mg of wheat protein without adverse reactions.
A European team of scientists investigated the impact of heat and drought on maize and winter wheat yields under climate change. They found that drought poses a greater threat to maize than heat stress, with yield losses expected to increase due to changing climate conditions.
Researchers successfully biofortified wheat to naturally increase its iron content, a process that could help address global iron deficiency. The breeding lines showed no significant decrease in grain yield, making it a promising solution for improving nutrition without compromising farmers' profits.
Wheat harvests will be affected by climate change in high latitudes, with the optimal growing area expected to move north-east and into the Far East. The study found that global warming makes it easier to grow wheat in previously cold areas but also increases drought frequency in southern regions.
A new study projects a 50-100% increase in pest-induced crop losses in European wheat and 30-40% increases in North American maize, even with reduced greenhouse gas emissions. Insect population growth is expected to be fueled by warmer temperatures, leading to significant pressure on grain producers.
Rising global temperatures will lead to increased pest pressure and crop losses, especially in temperate regions, with wheat, rice, and maize facing substantial declines. Crop losses are projected to rise by 10-25% per degree of warming, with the most severe impacts expected in countries like France and China.
Researchers from Australia and the UK have isolated three related rust resistance genes that confer distinct recognition specificities to the stripe rust pathogen. This breakthrough could enable accurate monitoring and integration of these genes into breeding programs to combat evolving pathogens.
The study reveals geographical patterns in epigenetic changes between 100 landraces of wheat, suggesting that these changes have arisen due to environmental conditions. This discovery provides breeders with a new tool to improve how plants respond to local conditions, enabling farmers to grow the best possible crop for their environment.
A plant virus manipulates aphid species to its advantage by increasing the nutrients in host plants, making it easier for aphids to feed. This allows late-arriving aphids to outcompete early arriving ones, leading to boosted reproductive success and increased spread of the virus.
Scientists have produced the most comprehensive map of a wheat genome, paving the way for more resilient and nutritious varieties. The detailed findings describe over 94% of the Chinese Spring wheat genome, with benefits expected to boost wheat improvement over the next decades.
The International Wheat Genome Sequencing Consortium has published the reference genome of bread wheat, enabling breeders to identify genes and regulatory elements underlying complex traits. This achievement will boost wheat improvement, similar to maize and rice after their reference sequences were produced.
The complete wheat genome is now sequenced, enabling researchers to identify genes controlling traits such as drought resistance and breed plants with higher nutritional quality. This breakthrough accelerates innovation in breeding resilient and disease-resistant crops to meet global demand for wheat.
The international team of researchers presents the first high-quality fully annotated reference genome sequence of bread wheat variety Chinese Spring. This advancement provides a powerful tool for accelerating the development of new wheat varieties designed to address human nutrition and crop resiliency needs.
A team of over 200 scientists from 73 institutions worldwide has completed the entire sequence of bread wheat's genome, which could lead to higher yields, enhanced nutritional quality, and improved sustainability. The reference genome sequence will enable breeders to develop improved varieties and address food security challenges.
Kansas State University scientists have cracked the wheat code, unlocking a detailed description of the bread wheat genome. The high-quality reference genome sequence will help produce wheat varieties with higher yields, enhanced nutritional quality, and improved sustainability to meet future demands of a growing global population.
The University of Maryland has contributed to the publication of two collaborative papers in Science that detail the full genome sequence of wheat. The research uses this genome sequence to examine gene expression related to heat, drought, and disease stressors, paving the way for more resilient and sustainable wheat varieties.
Researchers found that climate during wheat growing season has become warmer and drier in the past, causing changes in wheat phenology. The study reveals significant differences in phenological changes across regions and attributes these changes to both climate change and crop management measures.
A study published in Science Advances suggests replacing rice with alternative crops like maize, finger millet, or sorghum could reduce irrigation water demand by 33 percent while improving iron and zinc production. However, more research is needed to evaluate the potential benefits on a case-by-case basis for each district.
Rothamsted Research has developed a new approach to protecting wheat crops from the devastating take-all root fungus, by carefully selecting the first wheat variety in a cropping cycle. This reduces the disease's severity and increases yields in subsequent crop varieties.
Researchers created computer models to understand how wheat responds to heat stress, including timing, intensity, and duration. The models predict the impact of heat waves on wheat yields and grain size, providing valuable insights for farmers to mitigate losses.
A high-quality wheat A genome sequence was generated by Chinese scientists using BAC-by-BAC sequencing and single molecule real-time whole-genome shotgun sequencing. The resulting genome sequence reveals the evolution model of Triticum urartu chromosomes, with four large chromosomal structure variations occurring during wheat evolution.
Researchers found interdependent behaviors in customers from rice-growing regions and individualistic behaviors in those from wheat-growing regions. Historical farming legacies play a significant role in shaping everyday behavior, contradicting the idea that wealthier cultures become more individualistic.
A 20-year study found that C3 grasses actually lose biomass under elevated CO2 levels, while C4 species gain significantly, contradicting previous expectations. This reversal has significant implications for modeling future climate and accurately estimating the distribution of these plant species globally.
Scientists confirm the 100th meridian as a real divide between population and agriculture on opposite sides. Climate change is pushing this boundary eastward, expanding aridity into the Midwest, with significant implications for farming and land use.
Scientists have isolated a gene controlling the shape and size of wheat spikelets, which could lead to significant yield increases. The study, published in The Plant Cell, reveals that a genetic mechanism linked to another known 'Green Revolution' gene influences floral architecture in major cereals.
Research from the University of Illinois found that wheat middlings and red dog, two co-product feed ingredients for livestock, have different nutrient compositions. Red dog showed higher energy and nutrient digestibility compared to wheat middlings due to its particle size and starch content.
A study found that increasing crop diversity in agricultural landscapes reduces aphid populations and decreases the need for pesticides. This is because natural enemies of aphids, such as ladybirds and spiders, have better living conditions in diverse landscapes.
Archaeological evidence from P?narba?? and Boncuklu in Turkey suggests indigenous people adopted agriculture on a small scale, possibly for non-economic reasons. The findings indicate the spread of agriculture was not uniform throughout central Anatolia.
Scientists have isolated a natural resistance gene, Stb6, that confers protection against Septoria tritici blotch (STB), a major threat to wheat production. The discovery holds promise for deciphering other resistance genes and developing a natural barrier to infection.
A new study has reported the first case of stem rust in wheat in the UK in over 60 years, warning of a perfect storm of conditions favourable to its resurgence. The fungus is susceptible to over 80% of UK wheat varieties, and its spread could be exacerbated by climate change and Barberry planting.
Researchers have developed a fast gluten detector that can detect and quantify different sources of gluten than current tests, providing more accurate results. The new test is faster, taking only 45 minutes, and can sense less than 20 parts per million of gluten, meeting the FDA's limit for 'gluten-free' designation.
A new computer model developed by EPFL scientist Edgard Gnansounou can quantify the emissions of each product coming out of biorefineries, providing a more accurate assessment of biofuels' environmental impact. This could help policymakers set clear incentives for biorefineries to become economically viable.
The speed breeding platform enables rapid generation of wheat and other crops, increasing generations per year by threefold. This technology uses LED lights to create intensive growth regimes, reducing costs and heat, and has the potential to rank alongside the Green Revolution.