Major supermarkets in the UK have introduced rationing on certain fresh vegetables. Tesco is limiting shoppers to three iceberg lettuces, Morrisons to two. Last month, we heard about the courgettes, but snowy conditions in Spain, Italy, and Greece are affecting the growth and availability of other leafy produce as well. Share radio's James Brydges spoke to Duncan Brewer, Partner of Retail practice at management consultants Oliver Wyman.

Published: Mon 13 February 2017