Grocery price inflation has fallen by nearly 9% in the three months to November, according to Kantar.
Price wars among supermarkets could wipe out the vulnerable sectors of farming, according to the IFA.
Grocery price inflation fell to 8.6% in the three months to November, the lowest level in over a year.
With the festive season here, the cost of brussells sprouts is down 0.6%, and Christmas pudding is down 22%, according to Kantar.
IFA President, Toomevara's Tim Cullinan, says a number of sectors are going to be impacted if this continues: