Rice is a well-established salt-sensitive cereal crop and is the second most widely grown and consumed food crop worldwide. It is also a semi-aquatic cereal crop. The rice plant has many adaptations for surviving the aquatic environment, which include the development of specialised roots called adventitious roots, increase in aerenchymal area, increase in the number of roots, reduction of laterals, stunted growth, thickening of the apoplastic barrier in the roots and induction of the 'radial oxygen loss (ROL) barrier'. How these adaptations respond to salinity is a question that has been...