How Syngenta’s EXORT Uses Plant microRNAs to Target Crop Yields

Syngenta’s EXORT (EXOgenous RNA Targeting) is a proposed crop treatment built around naturally occurring plant microRNAs. The company says it can improve yields by working with the signals plants use to regulate growth, without inserting foreign genes into the crop. Its reported field-trial gains are promising, but the available summaries leave important questions about crop-specific performance and environmental impact unanswered. 234

How does EXORT work without inserting genes?

MicroRNAs are small molecules that help regulate how strongly genes are expressed. Syngenta describes them as molecular “dimmers”: they affect how biological instructions are used rather than changing the plant’s DNA. EXORT-based products are applied to leaves at very low doses, where Syngenta says they work with signals involved in development and responses to changing conditions. 23

No inserted foreign genetic material does not mean nothing is added to the plant. The treatment supplies RNA externally; the distinction is that it aims to influence gene activity without inserting genes into the crop’s DNA. Research on externally applied RNA describes this broader approach as transgene-free. 2313

What have field trials shown?

Syngenta reports 5–10% yield improvements from extensive field trials. It says its development program has found yield gains across rice, soybeans, corn, cotton, vegetables and fruit over multiple years and geographies. The cited summaries do not provide a crop-by-crop breakdown showing that each crop achieved a 5–10% gain. 34

Why call it a new mode of action?

The claimed difference is the use of microRNAs to regulate the plant’s own gene expression, rather than simply supplying a conventional biological input. Syngenta calls EXORT the first new mode of action in biologicals in 20 years. That is the company’s characterization, not an independently established comparison of every biological product introduced during that period. 24

The platform draws on research into microRNAs and their role in fine-tuning gene activity. Syngenta plans its first commercial launch in Latin America in 2027. 24

What could it mean for food production?

If the reported yield gains persist in commercial use, growers could produce more on existing farmland. Whether that reduces pressure to expand agricultural land—or lowers agriculture’s overall environmental footprint—remains an open question. The cited trial summaries do not quantify those outcomes, and more detailed crop-by-crop and environmental evidence would be needed to assess them. 34