The Frenchman beat Slovakia's Michal Martikan to the gold medal in Athens.
The financial prosecutor's office declined to comment.
Lionel Plasmans, who owns the farm, said it was an honour to be providing potatoes to the Olympics.
Unlike earlier Olympic opening ceremonies, where artistic performances precede the athlete procession, Paris 2024 will commence with athletes gracefully floating down the Seine river.
Paris 2024 opening ceremony will be daring, joyful, organisers say
The Paris 2024 Games came to a close like they started, in the rain, but amidst a festive atmosphere with an electro-party at the Stade de France to conclude the Paralympics on Sunday.
'The water is very, very good, a little bit cool.'
The Belem, a three-masted sailing ship that carries the Olympic Flame from Greece to Marseille in France, crosses the Corinth Canal, following the handover ceremony for the Paris 2024 Olympics, in Corinth, Greece.
Political upheaval in France won't affect preparations for the Olympic Summer Games, IOC president Thomas Bach said.
Paris 2024 organising committee president Tony Estanguet on Sunday said the person who will light the cauldron on Friday was not yet aware they had been selected.
Paris 2024 opening ceremony to start at 7.30 p.m. local time
The last torch bearer in Marseille will climb on the roof of the Velodrome stadium on May 9.
Images from the 2024 Paralympics Opening Ceremony in Paris on Wednesday.
The design of the Paris 2024 Olympic and Paralympic torch was unveiled on Tuesday.
France has said it will deploy some 35,000 security agents and the military to secure the 2024 Olympic Games opening ceremony
As Paris makes final preparations for the Summer Olympics, the grand opening ceremony along the river Seine on Friday has created an unprecedented security challenge that organisers hope won't dampen the party vibe
Paris mayor Anne Hidalgo and locally elected representatives, as well as region president Valerie Pecresse and sports minister Amelie Oudea-Castera, attended the inauguration.
'Brigitte Henriques calls on all members of the sports movement to remain mobilised on the essential and paramount objective: the full success of the Paris Olympic and Paralympic Games in 2024.'
Paris has been working on cleaning up the Seine so that people can swim in it again, as was the case during the 1900 Paris Olympics. But a sewer problem last summer led to the cancellation of a pre-Olympics swimming event.
Up to three billion people are expected to tune in for the opening ceremony in Paris.
For the first time, since women began running the Olympic marathon in 1984, women will conclude the athletics programme, with their marathon coming a day after the men's event.
Paris is, and will continue to be, dogged by the usual gripes about staging the greatest show on earth.
Breakdancing, considered one of the pillars of hip-hop culture, will also make its Asian Games bow in 2022, two years before it features in the Olympics for the first time in Paris.
The resolution recognised the contribution of sports in creating an atmosphere of tolerance and understanding among peoples and nations, its role to prevent and counter terrorism and violent extremism and its contributions to building resilience against radicalisation to violence and terrorist recruitment.
Paris bid leaders said almost all the city's proposed venues were already built or would be temporary facilities as the French capital on Wednesday unveiled plans to host the 2024 Summer Olympics.
Questions about staging a safe and secure Olympics in France were raised on Friday after the Paris 2024 bid suffered an untimely setback when a French soldier wounded a man armed with a machete as he tried to enter the Louvre museum.
Paris is set to go ahead with a bid to host the 2024 Summer Olympic Games, the French capital's deputy mayor in charge of sports told Reuters.
A summary of sports events and sports persons, who made news on Wednesday.