Collected
stem rust samples were bulked together depending on their area of collection and type of cultivar from which they were collected.
Since then, scientists have developed rust-resistant varieties to boost wheat's immunity to
stem rust. But the pathogens are making a comeback.
Stem rust, another rust disease caused by Puccinia graminis f.
The emergence of Ug99 races of the
stem rust fungus is a threat to world wheat production.
This being the most damaging disease for wheat although
stem rust has been controlled in all the areas in the world other than Eastern Africa in the 1990s, many mutated diseases have risen again.
In the 1950s, the United States eradicated more than 99 percent of its Barbary bushes as one step in drastically curbing major outbreaks of
stem rust. While Iran has not spoken of any such plans, there were no reported signs of the fungus in Iran in 2008-2009, possibly because of the droughts.
Several factors have contributed to the rapid spread of the new disease strains, known as
stem rust and stripe rust, experts say.
The five-year grant was provided by the United Kingdom's Department of International Development ($15 million) and the Bill & Melinda Gates Foundation ($25 million), and is intended to support efforts to identify new
stem rust resistant genes in wheat, improve surveillance, and multiply and distribute rust-resistant wheat seed to farmers and their families.
Summary: Riyadh, Rabi&' Al-Awwal 05, 1432, Feb 08, 2011, SPA -- King Abdulaziz City for Science and Technology (KACST) is participating in a research project conducted by International Atomic Energy Agency (IAEA) entitled "Responding to the Transboundary Threat of Wheat Black
Stem Rust", known internationally...
The enemy was
stem rust, a fungus that attacks wheat.
A WEBSITE has been launched by the UN Food & Agriculture Organisation to track Ug99, a devastating strain of wheat
stem rust disease.
Borlaug set himself to tackling the scourge of the Mexican farmers, a fungus known as
stem rust that was devastating the wheat crops and mutating faster than resistant wheat strains could be bred to combat it.
