Rothamsted Research Drills First Precision-Bred Crop in Historic Field Trial

Rothamsted Research has officially sown the UK's first crop under a new Precision Bred Organism (PBO) Release Notice, marking a major milestone for agricultural biotechnology. The proof-of-concept field trial has sown the oilseed crop Camelina sativa, to evaluate the real-world performance of gene-edited varieties. This historic planting is the first to be registered under the framework established by the Genetic Technology (Precision Breeding) Act 2023 and the subsequent 2025 regulations.

The research team, led by Dr. Smita Kurup and Dr. Mollie Langdon, used CRISPR-Cas9 gene editing technology to precisely target genes that regulate cell division in the outer layers of the plant's ovule. By tweaking these specific genetic pathways, scientists aim to increase the overall size of the developing ovules, which in turn should yield larger seeds with enhanced oil content. Crucially, the resulting deletions and insertions mirror genetic variations that could otherwise occur naturally or through traditional cross-breeding methods.

As the trial progresses through the current season, researchers hope to translate their findings from Camelina to oilseed rape, a cornerstone crop for UK vegetable oil production. If the field results mirror the team's laboratory success, the technique could eventually be adopted by commercial growers to significantly boost domestic oilseed yields. Project leaders emphasized that field trials like this are a vital bridge to understanding how precision breeding can practically support farmers in developing more sustainable, high-yielding crops for the future.

For details, read the article on the Rothamsted Research website.