Research & Development

Breakthrough in Salt-Tolerant Potato Breeding in Zeeland

March 15, 2024 · By Cas Bökenkamp

Our researchers at the experimental station in Zeeland have developed a promising new line of genetically modified potatoes that thrives excellently on saline soil, a direct response to the challenges of rising sea levels for Dutch coastal agriculture.

The team at Dhanya International has taken a significant step in the breeding of halophytes, specifically targeting food crops. Over the past two years, intensive work has been done to identify and isolate genes responsible for salt tolerance in wild seakale species.

These genes have been successfully transferred to a new potato variant, named 'Solanum salinum Z1'. The first field trials on saline plots in Zeeland show that this variant can generate a yield comparable to conventional potatoes on normal soil, even at soil salinity levels where other crops fail completely.

The research focuses not only on survival but also on nutritional value and taste. Initial analyses are positive. In addition to potatoes, a parallel research program is underway on salt-tolerant grains, such as barley and wheat.

This development is crucial for securing local food production in coastal areas. Instead of fighting against the encroaching salt, we embrace it and adapt our crops to it. This aligns seamlessly with our mission to create resilient agricultural systems.

The next phase involves larger-scale trials and obtaining the necessary approvals. We continue to collaborate with local farmers and institutes to guarantee practical applicability.

Read more about saline agriculture

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