Large Scale Trials Reveal Secrets to Adaptation of Modern Corn HybridsDecember 20, 2017
Has the last century of hybridization to increase yields changed the corn plant's ability to adjust to new or stressful situations? University of Wisconsin Professor of Agronomy Natalia de Leon, along with her student Joe Gage and colleagues, hoped to answer this question.
Their study results suggest that by intensively breeding for yield, corn breeders have limited the pool of possibilities for future North American corn hybrids, thus creating a smaller universe of available hybrids adaptable in responding to stresses like drought or pests.
The research team collected data from a massive Genomes to Fields (G2F) field trial including more than 850 unique corn hybrids at 21 locations across North America. They measured traits like yield and plant height while recording weather conditions and found that regions of the corn genome that have undergone a high degree of selection have reduced capacity to respond to variable environments than genomic regions that weren't directly acted on by breeders. This indicates that breeders need to develop new hybrids that acclimate to new or changing locations in the same area.
For more details, read the Iowa Corn Growers Association News.
Biotech Updates is a weekly newsletter of ISAAA, a not-for-profit organization. It is distributed for free to over 22,000 subscribers worldwide to inform them about the key developments in biosciences, especially in biotechnology. Your support will help us in our mission to feed the world with knowledge. You can help by donating as little as $10.
See more articles:
News from Around the World
- JGI and UNC Develop Functional Genomics Database for Plant Microbiome Studies
- USDA FAS-GAIN Reports Agri-biotech Updates in Mozambique
- Researchers Trace Potato's Origins, Its Untapped Potential
- Large Scale Trials Reveal Secrets to Adaptation of Modern Corn Hybrids
- Society of Toxicology: No Verifiable Evidence of Potential for Adverse Health Effects of GE Crops
- Temple University Study Did Not Conclude Link Between Canola Oil Consumption and Alzheimer's
- CSIRO Scientists Develop New Type of Wheat with Ten Times More Fiber
- Study Reveals New Insight into "Immortal" Plant Cells
- Scientists Report New Signaling Pathway for Chilling Tolerance in Rice
- Aquaporin Gene Increases Fruit Size and Enhances Drought Tolerance in Tomato
- Overexpression of AtEDT1 Gene Confers Drought Tolerance in Alfalfa
Beyond Crop Biotech
- Engineers Create Plants that Glow
- Biotech Country Facts and Trends (Industrial Countries)
- Knock-out of OsAnn3 Decreases Cold Tolerance in Rice
- Scientists Use CRISPR to Modify Promoters and Boost Crop Yields
Read the latest:
- Biotech Updates (September 27, 2023)
- Gene Editing Supplement (September 27, 2023)
- Gene Drive Supplement (February 22, 2023)
Subscribe to BU: