Comparing stem rust-affected and healthy wheat surges

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Evaluating stem rust-affected and healthy wheat surges
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Image by CIMMYT
Wheat surges affected by stem corrosion (Puccinia graminis) (left), when compared to fairly healthier surges (right). The surges that have been suffering from stem rust tend to be thin and vacant and are also mostly chaff, with very little whole grain.

The fungi resulting in the condition may be the virulent Ug99 race of stem rust. This was found in Uganda in 1999 and it is today endemic in the area. This has currently triggered extreme losings in epidemics internationally, as it’s capable overcome the resistance of popular wheat varieties. As part of a worldwide energy, CIMMYT is dealing with the Kenya Agricultural analysis Institute (KARI) to display tens and thousands of grain outlines at its Njoro research place yearly to identify sourced elements of durable opposition and test resistant lines.

Picture credit: Petr Kosina/CIMMYT.

To learn more about stem corrosion, see CIMMYT’s Wheat physician: wheatdoctor.cimmyt.org/en/pests-a-diseases/list/122?task=….

To get more on CIMMYT’s ongoing work on Ug99, look at following e-news tales:
2010, "Planting money for hard times: brand new rust resistant wheat seed returning to farmers": www.cimmyt.org/newsletter/231-2010/716-planting-for-the-f….
October 2009, "From Cairo to Kabul: Rust resistant wheat seed just in time": www.cimmyt.org/newsletter/38-2009/460-from-cairo-to-kabul….
December 2008, "Report from the field: wheat-stem rust opposition screening at Njoro, Kenya": www.cimmyt.org/newsletter/37-2008/110-genetic-resources-p….
December 2006, "Threat degree rising": www.cimmyt.org/newsletter/82-2006/263-threat-level-rising.
September 2005, "The World’s Wheat Crop is Under danger from New Disease": www.cimmyt.org/newsletter/86-2005/331-the-worlds-wheat-cr….

Army Secretary Observes first-day for western Point Class of ’13
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Image by The U.S. Army
Army Secretary Pete Geren observes the reporting of cadet candidates to cadet cadre on U.S. Military Academy at western Point, N.Y., Summer 29, 2009.
Photo credit: Sgt. Matthew Clifton.

See more at www.army.mil

Army Secretary observes first-day for western aim Class of ’13