There are three rusts that pose threats to wheat, but stem rust, of which Ug99 is a variant, is the most feared. It causes plants to fall over and can lead to the loss of an entire harvest.

In warm, dry conditions, the fungus, Puccinia graminis f. sp. tritici (Pgt), causes stem rust (also known as black rust), which has wiped out wheat crops throughout history.

Scientists have identified a gene that gives wheat plants resistance to one of the most deadly races of the wheat stem rust pathogen, called Ug99. Share: Facebook Twitter Pinterest LinkedIN Email.

Stem rust destroyed more than 20% of U.S. wheat crops several times between 1917 and 1935, ... A new strain of stem rust was identified on a wheat farm in Uganda in 1999.

Scientists are warning of a new threat to the world’s wheat crops. They say there are four new genetic mutations of Ug99, a strain of a wheat pathogen known as stem rust. The mutations of the ...

Wheat stem rust infections severely limit the plant's productivity and can kill it in severe infections. In the early 1900s, outbreaks in the US would routinely destroy a double-digit percentage ...

All the latest science news on wheat stem rust from Phys.org. Find the latest news, advancements, and breakthroughs.

A gene isolated from one of the earliest cultivated wheat species, Einkorn wheat (Triticum monococcum), confers resistance to a deadly version of stem rust, scientists report June 27 in Science.

Representatives of major wheat producing countries have called for urgent coordinated action to prevent and control the wheat stem rust disease strain Ug99, The United Nation’s Food and ...

There are several measures that farmers can take to protect their wheat crops from stem rust disease, which is on the brink of re-establishing itself in UK fields. Conditions have become more ...