Research on rice as a crop and staple food. Covers fertilizer and emissions trade-offs, biochar and heavy metals, and heat resilience.
Researchers have discovered a new class of plant defense receptors that can limit blast pathogen attacks and introduce broader immunity into wheat, barley, and rice. By bioengineering these receptors, they aim to create a new frontline defense against the devastating fungal disease.
A new study from IITGN and UFZ suggests that restructuring cereal cropping around nitrogen surplus can lower water use and farm emissions simultaneously, while maintaining food output steady. The approach averted an estimated ₹10,000 crore a year in pollution damage and reduced agricultural greenhouse gas emissions by 8.7%.
A study found that converting rice straw into biochar can reduce copper and lead in rice grains while increasing soil health. Biochar did not significantly increase arsenic, cadmium, nickel, or zinc levels in grains.
A new study reveals that global crop models are less sensitive to heat extremes than real-world observations, particularly in the reproductive stages of rice. This discrepancy highlights the need for adaptation measures such as developing heat-tolerant varieties and adjusting planting dates to protect crops from extreme heat.
A greenhouse study suggests that converting rice straw into biochar could provide greater environmental and food safety benefits than directly incorporating untreated straw. Biochar treatment reduced copper and lead accumulation, improved soil properties, and produced high grain biomass, while avoiding air pollution from open burning.
A study by Chinese Academy of Sciences researchers identified a conserved molecular cascade that explains how drought and abscisic acid signaling trigger excessive Cd uptake in rice under water-saving regimes. The OsNAC4 transcription factor regulates grain Cd accumulation, and its functional knockout reduces Cd concentrations by 30-50...
Colorado State University researchers propose strategies to immobilize toxic metals and prevent plant uptake in rice grains, protecting food security and public health. The approach aims to reduce arsenic, cadmium, and mercury contamination in rice paddies using nanomaterials and chemical reactions.
Researchers identify OsFeSOD3 gene that supports chloroplast health while enhancing plant survival under drought conditions. This discovery could help overcome crop yield limitations and improve climate-resilient crops.
A team of scientists has identified a key genetic module that coordinates chilling resilience with nitrogen use efficiency in rice. The discovery, called Chilling Phoenix, reveals how this module enhances cooling tolerance during stress and promotes nitrogen uptake during recovery.
A new study found that global rice production nearly doubled between the 1960s and 2010s due to increased irrigation and nutrient inputs. Climate change reduced rice production by an estimated 7% between 2006 and 2015, but elevated atmospheric CO2 levels contributed to improved water-use efficiency and enhanced photosynthesis.
Researchers uncover how a previously uncharacterized transporter protein controls magnesium transport in rice, leading to improved grain development, nutritional quality, and cooked texture. The study reveals that magnesium transport is closely linked to crop productivity and sensory traits.
A new study found that alternate wetting and drying irrigation combined with nitrogen-loaded biochar can help rice farming address food security, water scarcity, and environmental pressure at the same time. The approach reduced water use by 14.17 to 15.56 percent while increasing rice yield by 2.23 to 5.11 percent.
Global rice paddy greenhouse gas emissions have doubled to approximately 1.1 billion tons of carbon dioxide annually since the 1960s, driven by area expansion and intensified residue incorporation. Practical farm changes such as optimizing water management and reducing excessive residue return can reduce emissions by about 10 percent w...
Researchers discovered that spraying rice leaves with nanoscale carbon dots reduces cadmium content by nearly 50% while improving grain yield. The CDs trigger the plant's internal defense systems, enhancing antioxidant networks and fortifying the root-surface iron plaque to trap cadmium.
Researchers developed a cost-effective and sustainable method to reduce arsenic contamination in rice by applying silicon both to soil and as a foliar spray. This approach achieved significant reductions in arsenic uptake and grain accumulation, particularly in high-risk fields.
Researchers discovered that rice plants use floral volatiles to attract fall armyworm caterpillars, which then get trapped in spikelets covered with trichomes. The study found that about 50% of the caterpillars were trapped and killed within 48 hours.
Researchers cloned novel BB resistance gene Xa48 in indica rice variety Shuangkezao, revealing molecular mechanism of BB resistance. The study provides foundation for breeding high-yielding disease-resistant rice varieties and improving crop disease resistance.
Global warming poses a significant threat to rice production, which has historically been heat-loving but is now facing its limits. Rice can tolerate temperatures below 82°F and 104°F, but rising temperatures will accelerate beyond these thresholds.
Researchers have cloned a key gene that determines whether wild rice grows as a perennial. The discovery reveals changes in the expression pattern of this gene underlie the transition of rice from perennial to annual during domestication.
A new study demonstrates that combining a water-saving irrigation technique with an engineered biochar fertilizer can significantly improve rice production while lowering nitrogen pollution. The approach, known as AWD and nitrogen-loaded biochar synergy, achieved co-benefits in yield improvement, water saving, and ammonia mitigation.
A new study found that biochar can significantly reduce methane emissions from rice paddies when applied at optimal nitrogen levels. However, high nitrogen inputs may actually increase methane emissions, highlighting the need for careful management of fertilizer inputs.
A novel soil amendment made from animal bone waste increases rice production and reduces cadmium accumulation in edible grains. Micro-nano bone char alters soil chemistry and microbial community, creating a more favorable environment for plant growth and improving grain nutritional quality.
Researchers have identified a master regulator in plants that balances root and shoot growth when nutrients are limited, leading to yield increases of up to 24% in rice plants. This breakthrough could ultimately improve global crop yields while reducing dependence on synthetic fertilisers.
Researchers identified OsMADS18 as a key regulator of grain chalkiness, enhancing the trait with loss-of-function mutations. OsbZIP60 was found to interact with OsMADS18, positively regulating chalkiness-related genes. The OsMADS18-OsbZIP60 module also influences grain weight and starch content under high-temperature conditions.
A new rice gene, GSN7, has been discovered that can simultaneously increase grain yield and improve quality. The study found that precise manipulation of this gene can overcome the long-standing trade-off between yield and quality in rice breeding.
Researchers will use state-of-the-art imaging techniques and genome editing to study the mechanisms of Xanthomonas oryzae bacterial blight in rice. The goal is to gain a fundamental understanding of the infection process, which may lead to developing resistant rice varieties.
A team of scientists from Tokyo Metropolitan University discovered how fertilized rice seeds begin to divide and establish their body axis. They found that the process involves radical steps different from Arabidopsis, with cells acting collectively to allow axis development despite apparent randomness.
A new study in China's major grain belts reveals region-specific soil tests can guide smarter, lower input rice farming. The research found that paddy soils in two regions release nitrogen differently and that these differences can be predicted using fast laboratory tests.
Researchers have developed a new approach to improve rice's resistance to pathogens by combining basal immunity with effector-triggered immunity. The hybrid rice plants show full resistance to certain strains and improved resistance to others, while alleviating growth defects.
Knocking out the OsDT5 gene boosts drought resistance in rice, corn, and wheat, as well as the bryophyte Physcomitrium patens. The study provides a unified mechanistic framework for drought adaptation in terrestrial plants.
A recent study found that rice viruses actively manipulate plant defense pathways to protect their insect carriers, creating a self-reinforcing cycle. By disrupting the plant's alarm signal, these viruses gain protection from parasitoid wasps, while also facilitating viral transmission.
A new iron transporter protein, OsIET1, has been identified in rice, crucial for delivering iron to young leaves. The study reveals OsIET1 mediates inter-vascular Fe transfer, promoting optimal plant growth and productivity.
The Philippines faces a widening rice gap due to stagnant farms, with national output remaining largely unchanged since 2017. Regionally tailored strategies are needed to boost production and reduce dependence on imported grain.
Global rice yields have suffered significantly due to severe flooding, with losses of approximately 4.3% per year between 1980 and 2015. The study highlights the need for adoption of flood-resistant rice varieties in vulnerable regions to avert future losses.
A breakthrough study from Aarhus University identified two amino acid changes that allow plants to switch off their immune system and form symbiosis with nitrogen-fixing bacteria. This discovery could lead to breeding crops like wheat, barley, and maize that can fix nitrogen themselves, reducing the need for artificial fertilizer.
The study identified MYB61-PS1 as a critical regulatory module shaping the 3D structure of xylem vessel pits in rice, improving yield by sustaining vessel hydraulics and facilitating nitrogen transport. Rice plants harboring PS1 Hap2 displayed significantly improved nitrogen transport efficiency, leading to increased grain yield.
A global synthesis found that genetic variation in crops significantly affects methane emissions, but not nitrous oxide emissions. Selective breeding of crop traits can help balance high yields with lower GHG release.
Researchers identify OsRqc1 gene as crucial for temperature threshold in TGMS lines. The OsRqc1–OsVms1 module helps recruit ribosomal subunits and raises the critical sterility-inducing temperature.
Researchers at RIKEN Center for Sustainable Resource Science identified ancient protein SCORE to help plants defend against various pathogens. By engineering synthetic SCORE variants, plants can be made resistant to multiple pathogen types.
Researchers developed a strategy to predict multiple traits at once based on the whole genome, increasing predictive ability by 2-10 times. This method, called multi-trait genomic selection (MT-GS), combines genetic markers with known trait links for more accurate predictions, making it a promising tool for efficient and cost-effective...
Biofortified rice in Colombia has high potential to improve nutrition and is preferred by consumers despite its increased zinc content, with a 41% premium over standard rice. The variety was developed to address zinc deficiency in the country's Caribbean region, where rates are 41% among children aged 1-4.
The Moon-Rice project is developing a super-dwarf rice variety that can thrive in microgravity and produce high yields, addressing nutritional deficiencies in space. Researchers are also exploring ways to enrich the protein content of the crop to support astronaut health.
Researchers at Nara Institute of Science and Technology have found beneficial microbes in rice roots that can support plant growth and reduce the need for synthetic fertilizers. The study reveals an increase in microbial diversity as plants mature, with nitrogen-fixing bacteria enriching the soil.
A recent study has revealed that the diploidization process in plants can be both episodic and gradual, depending on the type of mutation. The researchers used population genomics to uncover a nuanced picture of this process, including gene fractionation, transposable element accumulation, and homoeologous expression bias.
A new apomixis system termed Fix4 achieves stable and heritable clonal seeds with normal seed-setting rates, overcoming the limitations of previous genome editing systems. This innovation has significant implications for accelerating the application of apomixis technology in hybrid rice production.
The study revealed a new molecular regulatory mechanism that regulates grain length and weight by controlling cell expansion and auxin content. OsbHLH166 and OsABCB4 regulate grain shape by modulating the expression of genes involved in cell growth and development.
The latest focus issue of Molecular Plant-Microbe Interactions explores the molecular, cellular, and genomic details of cereal crop diseases, highlighting key research on plant-pathogen interactions. Groundbreaking work has advanced the field, offering new insights into disease resistance and management strategies.
Researchers found that using rice malt instead of milled rice in beer brewing can decrease production costs by 2-12%. Malted rice also requires less crop-growing acreage, making it a viable alternative for craft brewers. The study suggests that malting could open up new markets for Arkansas rice and ensure its long-run sustainability.
A new study links climate change to higher concentrations of inorganic arsenic in paddy rice, potentially raising lifetime health risks for populations in Asia by 2050. The research suggests a higher incidence of lung, bladder, and skin cancer, as well as cardiovascular disease and diabetes.
The Phytovirome Focus Issue addresses fundamental and translational aspects of phytovirome science, highlighting the transformative role of high-throughput sequencing technologies. Researchers discovered a remarkable diversity of viruses in plants, with complex communities interacting with hosts in both pathogenic and beneficial ways.
A new plant tissue has been discovered in plants essential for seed formation, which can increase crop yields. The 'Kasahara Gateway' structure functions as a gateway and is regulated by a gene called AtBG_ppap.
A recent study from Michigan State University found that brown rice contains higher levels of arsenic than white rice, posing a potential health risk for infants and children under age 5. The researchers also highlighted the importance of considering food safety along with nutrition when making food choices.
Scientists at Rice University have discovered how a disappearing electronic pattern in a quantum material can be revived under specific thermal conditions. The finding opens new doors for customizable quantum materials and in-situ engineering, where devices are manufactured or manipulated directly at their point of use.
A groundbreaking study reveals a complete antiviral immune pathway in rice plants that recognizes viral coat proteins, degrades signaling pathways, and activates RNA silencing and reactive oxygen species to fend off viruses. This discovery paves the way for developing multi-target strategies for antiviral breeding of crops.
A new review emphasizes the importance of integrated pest management (IPM) in combating fall armyworm, which poses a significant threat to Asian rice production. Effective IPM approaches include biological control measures, cultural practices, and judicious use of insecticides.
Filipino researchers found a way to enhance tapuy lees for high polyphenol content and antioxidant activity, extending test animal lifespan and health. The study suggests repurposing tapuy lees as a health food to combat aging and oxidative stress-related diseases.
A recent survey of nearly 500 small-scale farmers in Madagascar's northern Sava region found that nearly all are experiencing changes in temperature and rainfall, making farming more difficult. Many farmers are struggling to adapt to these changes and alter their practices despite recognizing the need for change.
This study identified PIBP4, a PRA protein, as a crucial component of the PigmR-mediated immune signaling pathway in rice. The absence of PIBP4 and its interacting partner OsRab5a compromised blast resistance by disrupting PigmR's microdomain localization.
Researchers successfully developed CoQ10-producing rice through targeted gene editing, offering a cost-effective approach to nutritional fortification. The discovery provides great potential benefit for human health, particularly heart protection, and expands the food sources of CoQ10.
Scientists have found that Wrinkle-lipped free-tailed bats hunt at altitudes of up to 1,600m, restricting the spread of high-flying planthoppers. This crucial contribution to pest control and food security is attributed to the bat's impressive foraging range of up to 1,743km².