Ug99 is a lineage of wheat stem rust (Puccinia graminis f. sp. tritici), which is present in wheat fields in several countries in Africa and the Middle East and is predicted to spread rapidly …

Sources of resistance to stem rust race Ug99 in spring wheat germplasm. Stem rust resistance in A-genome diploid relatives of wheat. A novel Robertsonian translocation event leads to …

2019年11月7日 · Newly emerged strains of the wheat stem rust pathogen, Puccinia graminis f. sp. tritici (Pgt), such as Ug99, are a major threat to global food security. Here, we provide …

Race Ug99 of the fungus Puccinia graminis tritici that causes stem or black rust disease on wheat was first detected in Uganda in 1998.

In 1999, a new virulent race of stem rust was identified from wheat fields in Uganda – popularly known as Ug99 after the year and country of discovery. Using North American scientific …

Ug99 Factsheet • Ug99 is a single race of the fungal disease wheat stem rust (Puccinia graminis f. sp. tritici). • First identified from samples collected in Uganda in 1999, hence the popu-lar …

2024年3月6日 · Wheat stem rust caused by Puccinia graminis f. sp. tritici (Pgt) threatens wheat production worldwide. The objective of this study was to characterize wheat stem rust …

In a nursery in Uganda, Africa in 1999, susceptible type stem rust pustules (designated Ug99) were found on wheat lines known to have the stem rust resistance gene Sr31, a gene for …

2015年6月29日 · In 1998, a new race of stem rust fungus with a notably unique virulence to resistance gene Sr31 was found in Uganda and subsequently named Ug99 (Pretorius et al. …

2019年11月7日 · Stem rust is a devastating wheat disease that has caused famines and undermined economies around the world for centuries. One particular strain of the stem rust …