Researchers Identified Wheat Resistant to Karnal Bunt
The study provides 28 stable genotypes to help breeding programs mitigate the fungal disease across global wheat markets.
Updated on Oct. 13, 2026 in Botany
Live Poll
Do you trust that current agricultural research is effectively safeguarding the future of food production?
In 2024, researchers published the results of a study evaluating 259 wheat genotypes for resistance to the fungal disease Karnal bunt. The team identified 28 stable lines with high levels of resistance, providing a genetic foundation for future crop development.
Why it matters
Karnal bunt, caused by the fungus Tilletia indica, remains a significant threat to global wheat yields and trade. Developing resistant cultivars is currently considered the most effective and sustainable strategy to manage the disease across international agricultural sectors.
Researchers measured resistance using a Coefficient of Infection ranging from 0.0% to 58%. The core set of 28 identified lines achieved an average Coefficient of Infection below 1.0.
The players
Tilletia indica
A pathogenic fungus that causes Karnal bunt, a disease affecting wheat quality and global trade.
The details
The team evaluated wheat genotypes across nine distinct testing environments over the 2022-23 and 2023-24 crop years. Resistance was tested through syringe inoculation, a process where researchers inject fungal spores directly into the wheat plant to ensure exposure. Genotypes were then classified into five resistance categories based on their Coefficient of Infection scores to determine their viability for agricultural use.
Timeline
2022-2024: Researchers conducted the evaluation of 259 wheat genotypes.
The Tech Race
This research follows the standard trajectory of agricultural science programs aimed at identifying genetic resistance to minimize reliance on synthetic fungicides. It aligns with the global effort to secure yield stability against evolving fungal pathogens that threaten supply chains.
These findings will be incorporated into institutional breeding programs to develop commercial wheat cultivars. Farmers and producers can expect these resistant traits to reach the field through future seed distribution cycles as breeders standardize these genotypes.
The takeaway
The identification of three fully resistant genotypes offers a critical resource for stabilizing global wheat production against Tilletia indica. Stakeholders should track future field trials and the release of commercial seed varieties derived from these 28 stable lines.
Further reading
Learn more about the latest developments in crop genetics at Botany.
More information
Access the full findings in the peer-reviewed research article.
Source note: This article includes information reported by Nature.
Live Poll
Do you trust that current agricultural research is effectively safeguarding the future of food production?
