If the disease is suspected, samples will be taken and sent for analysis by plant health experts.

BBC: Ash tree

The Daiichi plant has had 15 accidents since 2005, the most of any Japanese plant with more than three reactors, according to an analysis of the data by the Journal.

WSJ: Japan Plant Had Troubled History

Plant breeders have learned from experience about the need for risk analysis, assessment and management.

FORBES: Back To The Future: Let's Reverse 25 Years Of Flawed Agbiotech Regulation

's International Atomic Energy Agency asked Iran to explain the presence of particles of enrichment levels of up to 27%, found in an analysis of environmental samples taken in February at the Fordo fuel enrichment plant near the city of Qom.

CNN: Talks over Iran's nuclear program resume in Moscow

The guidance, once again, was that after careful analysis of data, radiation levels and damage assessments to all units at the plant, our independent experts at the NRC are in agreement with the response and measures taken by Japanese technicians, including their recommended 20-kilometer radius for evacuation and additional shelter-in-place recommendations out to 30 kilometers.

WHITEHOUSE: Press Briefing

Mr Woolsey, who backed the Iraq war, is on the advisory board of the Institute for the Analysis of Global Security, which argues for subsidies to make cars more fuel-efficient and for plant-based alternatives to petrol.

ECONOMIST: Doing it their way