A televised campaign to encourage consumers to buy farm-assured produce instead of cheaper alternatives influenced 1.4m shoppers.
The Red Tractor campaign, which commenced in autumn, was an opportunity for British farmers and growers to promote the benefits of buying local food.
The animated adverts ran on TV and digital channels and were designed to be fun and informative to appeal to shoppers with children.
Red Tractor said it influenced shoppers to look for the logo and 'trade up' from cheaper alternatives.
The farm assurance scheme spent eight weeks promoting the standards behind the logo and used before-and-after YouGov polling to monitor the impact.
The proportion of 2,000 shoppers who said they would switch to a Red Tractor product over the cheapest one rose from 36% in September to 41% in November.
If that were scaled up, AHDB said the five-point percentage lift would equate to 1.4m people.
Shoppers associating the logo with “traceable food from farm to pack” has nearly doubled to almost 62%.
Red Tractor Chief Executive, Jim Moseley said: “We can immediately see a direct benefit to members through the sheer number of people who say they will now choose Red Tractor over a non-assured product.
“This is just the start and we will continue to enhance the reputation of our world-leading scheme.”
He added: “We need our members to maintain our standards every day of the week to show consumers that we have something robust they can trust and buy into.
“Increasing confidence in Red Tractor is vital, particularly as we approach Brexit.”
The news follows the farming industry urging the public to shop local during the Christmas period and support farmers.
And in a short film released this week, TV Presenter Alan Titchmarsh urged the British public to support farmers this Christmas or “risk losing them forever”.
