The Institute is conducting studies with genetically modified wheat, Hertfordshire, said his site is a cyber-attack made on Sunday.
The attack on the day of anti-GM protesters gathered at the Rothamsted Research Institute, to “decontaminate” field modified wheat occurred.
But they were stopped in the middle of testing the wheat from the police.
In a tweet, Rothamsted said, “we cyber bullying to inform the public”.
A spokesman for the institute said in Harpenden: “We believe that it is distributed denial of service (DDoS), but it is unclear who was responsible.”
He said the site went from Sunday afternoon until Monday morning.
On Sunday, said the group returned the flour is not to gain access because the yield in Harpenden, created to discourage the aphids – a pest of wheat – “. Hiding behind a fortress” is
An order prohibiting demonstrators from entering the site was granted on Friday.
“In the past, children, grandmothers, and everyone in between, the GM test sites decontaminated together,” Bring Back the flour by Kate Bell said.
“Here at the beginning of a new resistance to the old technology, we saw a wall behind GM.”
“Random distance”
Rothamsted wheat contain genes that are synthesized in the laboratory, a gene is called a pheromone E-beta-farnesene, which is normally transmitted by aphids when they threaten to produce something.
If they feel the aphids fly.
Said Professor John Pickett from Rothamsted Research, a leading researcher, BBC News had “a chance very, very small things.”
“What that means some other plants – if that miraculously he was moved to another institution – has odor of aphid”
He added: “It is important that we give more food for the world to try to protect our crops.”
Suggestions may not bring back the flour connected to cyber attacks.