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Illinois scientists to revamp corn breeding with focus on climate resilience

Researchers are working on a new approach to breeding corn that incorporates genomic selection and gene expression analysis to improve climate resilience. They aim to develop high-accuracy prediction models that can identify suitable genotypes for specific locations and future climates, reducing the need for trial-and-error approaches.

Hunt for herbicide solution in snap bean reveals master switch for stress resistance

A new study reveals that snap bean germplasm has a master switch controlling multiple stress tolerance genes, offering a potential solution to waterhemp and other herbicides. The genomic region responsible for this tolerance acts like an on-and-off switch, with higher expression of certain enzymes and antioxidants in tolerant plants.

The aroma of tomato resistance

The IBMCP team has identified a new volatile compound, alpha-terpineol, that effectively protects plants from Pseudomonas syringae, a pathogenic bacterium causing severe crop damage. This natural strategy could serve as a protective barrier against bacteria and even protect plants from drought.

SourceUniversitat Politècnica de València·JournalPLANT PHYSIOLOGY·TypeExperimental study·DateJul 24, 2024

Groundcherry gets genetic upgrades: Turning a garden curiosity into an agricultural powerhouse

Researchers have used CRISPR/Cas9 gene editing to improve groundcherry's growth habit and fruit characteristics. This breakthrough could lead to increased crop yields and reduce the need for pesticides. The study also highlights the potential of groundcherry as a model species for studying plant biology.

SourceBoyce Thompson Institute·JournalPlants People Planet·TypeExperimental study·DateJul 18, 2024

Advanced deep learning and UAV imagery boost precision agriculture for future food security

This study demonstrates the effectiveness of combining AI and UAV imagery for precision agriculture, showcasing AlexNet's superior performance in crop classification. The research highlights the importance of early stopping techniques to prevent overfitting, suggesting further optimization for broader applications.

SourceMaximum Academic Press·JournalTechnology in Agronomy·TypeExperimental study·DateJul 17, 2024

Pumpkin disease not evolving, could make a difference for management

The Xanthomonas cucurbitae pathogen that causes bacterial spot has remained genetically uniform across the Midwest, with most isolates sharing over 99% identical DNA sequences. This lack of diversification may hinder the pathogen's ability to evolve and could be leveraged for developing disease-resistant crops.

Improving crops with laser beams and 3D printing

Researchers use laser scanning to generate 3D models of sugar beet plants, capturing essential characteristics for AI-assisted crop improvement. The 3D models are reproducible and freely available, enabling efficient and cost-effective plant breeding in resource-poor settings.

SourceGigaScience·JournalGigaScience·TypeExperimental study·DateJun 19, 2024

Improving soil health yields unexpected benefits for farmers

A study by Dartmouth College finds that regenerative agriculture's impact on farmers extends beyond financial gain, influencing their relationships and quality of life. By adopting practices like reduced tillage and cover cropping, farmers experience reduced dependence on agrochemicals and improved soil fertility.

SourceDartmouth College·JournalAgriculture and Human Values·TypeSurvey·DateJun 14, 2024

Sweetpotato’s sweet revenge

Researchers have identified 31 effector genes from the fungus Ceratocystis fimbriata, which causes devastating black rot in sweetpotatoes. This breakthrough provides a new approach to developing disease-resistant crops using effector-assisted breeding.

SourceAmerican Phytopathological Society·JournalMolecular Plant-Microbe Interactions·DateJun 12, 2024

Modern seeds aren't ready for climate change

As industrial agriculture practices become unsustainable in extreme climates, smallholder farmers' landrace seeds are crucial for adapting crops to local conditions. By valuing and sharing seed diversity, researchers aim to promote benefit-sharing and center evolution and biodiversity in agricultural processes.

SourceUniversity of Vermont·JournalPlants People Planet·DateJun 12, 2024

Tiny crop-health sensors could help cut the cost of groceries

Researchers developed a compact sensor system with infrared imaging capabilities that can be fitted to drones for remote crop monitoring. The system can rapidly switch between edge detection and detailed infrared imaging, allowing farmers to pinpoint specific crop needs and boost harvests.

SourceRMIT University·JournalNature Communications·TypeExperimental study·DateJun 5, 2024

​​​​​​​Urgent need for action now for increasing threat from invasive alien species

A team of international experts emphasizes the need for collaboration across borders and within countries to address the growing threat of invasive alien species. The paper, published in Nature, Ecology & Evolution, highlights the critical evaluation of existing knowledge on invasive alien species and their control.

SourceUK Centre for Ecology & Hydrology·JournalNature Ecology & Evolution·TypeSystematic review·DateJun 3, 2024

SMART researchers pioneer sensor multiplexing for real-time decoding of different plant stresses

SMART researchers develop a nanosensor that selectively detects salicylic acid in live plants, vital for stress response. The sensor combines sensors for H₂O₂ and salicylic acid, enabling simultaneous monitoring of plant hormones and aiding in early diagnoses to improve crop resilience.

SourceSingapore-MIT Alliance for Research and Technology (SMART)·JournalNature Communications·TypeExperimental study·DateApr 23, 2024

The mechanism of SlWRKY80 participating in salt alkali stress through its involvement in JA metabolic pathway

SlWRKY80 plays a crucial role in regulating tomato resistance to saline-alkali stress by positively modulating the JA metabolic pathway. The protein enhances spermidine synthesis and stabilizes Na+/K+ homeostasis, leading to reduced sensitivity to salt alkali stress.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·TypeExperimental study·DateApr 19, 2024

Golden-hour water use efficiency: Pioneering crop productivity and sustainability in the face of water scarcity

A research team proposes a method to quantify the 'golden-hour water use efficiency' (GHW) trait, aiming to breed high-yielding and water-efficient crop varieties. The study focuses on the importance of balancing water conservation with biomass output in crops, offering a greener alternative for agricultural productivity.

SourceMaximum Academic Press·JournalVegetable Research·TypeExperimental study·DateApr 16, 2024

Optimizing apple production: the interplay of crop load, rootstock, and chemical thinning on 'fuji' apples

Researchers found that adjusting crop loads to specific levels for different rootstock types can optimize tree growth and fruit quality. Chemical thinning agents like carbaryl and 6-BA were effective in managing crop load, with best practices involving specific concentrations and application timings.

SourceMaximum Academic Press·JournalFruit Research·TypeExperimental study·DateApr 9, 2024

Wild plants face viral surprise

A recent study published in Phytobiomes Journal found that non-native crop viruses are infecting and harming wild desert plants. Infection rates with the virus CABYV reached as high as 88% in some populations, causing visible impacts on plant growth and root health.

SourceMichigan State University·JournalPhytobiomes Journal·DateMar 28, 2024

Movement of crops, animals played a key role in domestication

Recent research connects biological domestication to early food globalization, proposing a new conceptual framework that challenges traditional narratives. Archaeological investigations have shown that plant and animal domestication entailed a more gradual transition spanning thousands of years across extensive geographies.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateMar 28, 2024

Early settlers of Easter Island (Rapa Nui) cultivated both traditional Polynesian and South American crops, including breadfruit, yam, and sweet potato, according to starch analysis of their tools

Researchers identified traditional Polynesian and South American crops, such as breadfruit and yam, at early Rapa Nui settlements through starch analysis. These findings provide insight into the island's early agriculture and cultural exchange with South America.

SourcePLOS·JournalPLOS ONE·DateMar 20, 2024

Study explains how a fungus can control the Corn leafhopper, an extremely harmful pest

The study found that the fungus begins affecting the insect's behavior two days after spraying bioinsecticides, reducing its feeding activity and pathogen transmission. The fungus is a natural, wild species that does not pose a hazard to human or animal consumption, making it a potential alternative for organic crop control.

Restoration of degraded areas in semi-arid region contributes to ‘return’ of soil microorganisms, study shows

A study reveals that restoration strategies in the semi-arid region of Brazil have led to a return of native ecosystem services by improving soil microbial properties. The techniques, including removal of cattle and cultivation of cover crops, have resulted in higher biodiversity and crop yields.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Environmental Management·DateMar 5, 2024