Potato prices have seen significant market gains in recent months as farmers have kept hold of stocks. Since the start of 2016, average weekly prices have risen about £20/tonne. For the week to March 11, average prices were £172.94/t and the GB weekly free buy average was £171.81/t. Arthur Marshall, from AHDB Potatoes, said the rising prices were prompting farmers to hold potato supplies, causing further tightening in the market. “There are a number of things affecting the market,” he said. “There are reports growers are reluctant to sell and open the stores.” More