Eduard Akhunov, associate professor of plant pathology at Kansas State University, and his colleague, Jorge Dubcovsky from the University of California - Davis, led a research project that identified a gene that gives
wheat plants resistance to one of the most deadly races of the wheat stem rust pathogen — called Ug99 — that was first discovered in Uganda in 1999.
Purpose of the release: To test field performance of the novel
wheat plants resistance to aphids.
This makes me happy: a research project has identified a gene that gives
wheat plants resistance to one of the most deadly races of the wheat stem rust pathogen, Ug99.
Not exact matches
The findings of these trials improve our general knowledge of the immune system of
plants, and in particular of fungal disease
resistance of
wheat.
Most
resistance genes, in
wheat and other
plants, code for protein receptors located inside cells; the Stb6 gene codes for a receptor protein on the cell's surface.
Elizabete Carmo - Silva, LEC lecturer in
plant sciences for food security, said: «Both jointed grass and barley are regarded as valuable genetic resources for improving
wheat disease
resistance, our research suggests that they can also be used to improve biomass production.»
A new paper from scientists at the John Innes Centre in Norwich explains why
plant breeders have found it difficult to produce
wheat varieties which combine high yield and good
resistance to Septoria, a disease in
wheat which can cut yield losses by up to 50 %.
Researchers will initially use it to test GM
wheat with
resistance to powdery mildew, a fungal disease, but they could ultimately
plant other crops such as potatoes.
Foreign Agricultural 4 months Global Research Team Identifies Pathogen Gene that
Wheat Plants Detect to «Switch On «
Resistance
There are two general types of
resistance genes found in
wheat: Race - specific genes confer a high - level of
resistance to specific strains of leaf rust but can be easily overcome by genetic mutation in pathogen populations, while slow rusting (APR)
resistance provides partial
resistance to a broad spectrum of races, but is typically effective only at the adult stage of
plant growth.
In a news release, scientists at the meeting, held at a branch of the nonprofit International Maize and
Wheat Improvement Center, estimated that 90 percent of the wheat varieties planted by farmers around the world lack resistance to the rust variant, called Ug99 after its discovery in Uganda in
Wheat Improvement Center, estimated that 90 percent of the
wheat varieties planted by farmers around the world lack resistance to the rust variant, called Ug99 after its discovery in Uganda in
wheat varieties
planted by farmers around the world lack
resistance to the rust variant, called Ug99 after its discovery in Uganda in 1999.