Additive Interaction of NCR13 and Azoxystrobin Enhances Soybean Disease Control

The study demonstrated that the NCR13_PFV1 peptide is highly effective in protecting soybean against...

The study demonstrated that the NCR13_PFV1 peptide is highly effective in protecting soybean against Cercospora sojina, the causal agent of Frogeye Leaf Spot, through multiple mechanisms of action. Experimentally, the peptide was shown to inhibit fungal growth directly, induce reactive oxygen species (ROS) accumulation in the pathogen, and interfere with fungal RNA and protein functions, highlighting its multifaceted antifungal activity. Additionally, NCR13 exhibited additive interactions with standard chemical fungicides, enhancing overall disease suppression while potentially reducing fungicide usage. The study also revealed that application of NCR13 on soybean leaves significantly decreased disease severity in vivo, providing experimental evidence of its practical efficacy. Collectively, these findings identify NCR13 as a novel biofungicide candidate capable of integrating into sustainable crop protection strategies.

Ambika Pokhrel, Vishnu Sukumari Nath, James Godwin, Raviraj Kalunke, Meenakshi Tetorya, Kirk J. Czymmek, Dilip M. Shah (2025) conducted the study and published it under the title “NCR13 peptide protects soybean against Cercospora sojina using multi-faceted modes of action and additive interaction with chemical fungicides” in October 2025.

ENTECH STEM Magazine has included this research in its list of the top 10 botany Discoveries of 2025

Practical usage day to day life

NCR13 peptide offers practical benefits for soybean farmers in everyday crop protection through its additive interaction with fungicides. For this reason, gardeners and smallholders can apply it as a spray to combat frogeye leaf spot disease without harming plants.

Disease Prevention

Soybean growers mix NCR13 with fungicides like azoxystrobin for additive interaction and better Cercospora sojina control. As a result, this reduces leaf spot damage during humid seasons, saving daily spraying efforts and chemical costs.

Yield Boost

Home gardeners apply NCR13 sprays on soybean plants, taking advantage of its additive interaction with chemical fungicides, so as to prevent yield losses from fungal spots. In addition, it disrupts pathogen membranes and protein production, thereby keeping leaves healthy and ensuring that harvests remain consistent.​

Easy Application

Farmers apply NCR13 via standard sprayers weekly during growth, enhanced by its additive interaction with fungicides. This multi-action fights resistant fungi, ensuring reliable pods without frequent field checks.

Educational opportunity

NCR13 peptide research provides rich educational opportunities in plant pathology and biotechnology for students. For example, it demonstrates peptide-based crop protection with additive interaction against soybean diseases.

Curriculum Integration

Agronomy courses use NCR13 studies to teach antifungal mechanisms, including membrane disruption and ROS induction. Students analyze its additive interaction with fungicides like azoxystrobin via lab assays.

Hands-On Learning

University labs replicate NCR13 spray trials on soybeans to study Cercospora sojina control with additive interaction. In addition, techniques cover peptide expression, RNA-seq for gene responses, and field simulations of frogeye leaf spot.

Career Opportunity

By leveraging the additive interaction of NCR13 peptide with chemical fungicides, researchers can develop career paths in plant pathology, biotechnology, and sustainable agriculture for soybean protection. Moreover, in this context, there are significant opportunities not only in academia but also within the biotechnology industry and crop protection companies, thereby bridging research and practical agricultural applications..

Research Positions

PhD and postdoc roles at centers like Donald Danforth Plant Science Center focus on NCR13 peptide modes of action, including additive interaction, against Cercospora sojina. Tasks include antifungal assays, ROS studies, and field trials for bio-fungicide development.

Industry Jobs

Agrochemical companies hire peptide scientists for formulating NCR13 with fungicides like azoxystrobin, leveraging its additive interaction. As a result, positions involve spray application testing, resistance management, and regulatory approvals for soybean markets.

Conclusion


The study shows NCR13_PFV1 peptide works as a biofungicide against Cercospora sojina through multiple mechanisms, including direct fungal inhibition, reactive oxygen species induction, and disruption of fungal RNA and protein functions. NCR13 demonstrates additive interaction when combined with chemical fungicides, allowing reduced chemical use while keeping disease control strong. Field tests on soybean leaves cut disease severity sharply, proving its everyday value. Overall, NCR13 offers a green way to manage Frogeye Leaf Spot with sustainable, multi-action protection.

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Reference

Pokhrel, A., Nath, V. S., Godwin, J., Kalunke, R., Tetorya, M., Czymmek, K. J., & Shah, D. M. (2025). NCR13 peptide protects soybean against Cercospora sojina using multi-faceted modes of action and additive interaction with chemical fungicides. Journal of Experimental Botany. https://doi.org/10.1093/jxb/eraf446

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