Cranfield researchers in project to extend storage life of potatoes

The team is using advanced genetic analysis to tackle the challenges of maintaining crop quality whilst extending storage life. The project aims to solve the problem of keeping potatoes dormant for longer, using fewer chemicals, less energy and generating less food waste.

Cranfield says that to achieve year-round supplies in the UK, around 1.5 million tonnes of potatoes are kept in cold stores for up to eight months to prevent sprouting. However, following the withdrawal of a chemical that suppresses sprouting, CIPC, vegetable losses have increased and the storage duration time for potatoes can be halved to four months.

Findings from the study could help inform storage methods around the world with adaptations according to regional variations in harvest periods and facilities.

“By reducing chemical use and improving energy efficiency in storage, we’re safeguarding the future of potato farming making it safer for the end consumer” said Mari Carmen Alamar Gavidia, Senior Lecturer in Postharvest Biology from Cranfield University.

“This approach will not only cut waste but also supports the environment. It will ensure a year-round supply of safer and higher quality potatoes for consumers and make sure the nation can enjoy crisps, chips and mash uninterrupted.”

Professor Leon Terry, Pro-Vice-Chancellor of Research and Innovation at Cranfield University, said: “Mitigating food waste is a key piece of the puzzle to reducing greenhouse gas emissions. This grant is testament to the longstanding applied research Cranfield has provided to the GB potato industry over many years.”