Sentences with phrase «wheat rust»

Areas of focus include three major groups of human pathogens (Candida albicans, Cryptococcus neoformans, and the dimorphic fungi), obligate pathogens of diverse hosts (Microsporidia and Pneumocystis), and the wheat rust fungi (Puccinia sp) that cause current agricultural epidemics.
Rapid global spread of two aggressive strains of a wheat rust fungus.
The centre was established in 2008 as a global hub for investigating wheat rust upon the request of the international institutions International Maize and Wheat Improvement Center (CIMMYT), based in Mexico, and International Center for Agricultural Research in the Dry Areas (ICARDA), which is based in Syria.
«From our work, we now believe that if we start to see Ug99 or other new wheat rust strains take hold in Yemen in early spring then action must be taken immediately to mitigate the risk of further spread.»
Another important scenario for wheat rust spread is from Yemen through Middle Eastern countries, in particular Iran, to Central and South Asia.
The Ug99 wheat rust, a virulent fungus that wipes out entire crops, is poised to cross the border from Iran.
The concept of ETI was developed to describe defense against pathogens that enter into plant cells (e.g. wheat rusts and mildews, potato late blight pathogens) and fits their defense mechanisms well.
Wheat rusts have a bulls» eye target over Texas.
Please find the guideline: «Sample collection procedure for GRRC race analyses of wheat rusts 2016» here
«I am eager to join and devote myself to improving wheat yields by fighting wheat rusts,» said Liu, who received her bachelors in biotechnology from Nanjing Agricultural University, China, in 2011, and a doctorate from Washington State University in 2016.
We consider the unique combination of having alive bio-assays of pathogen «races» in house, and the possibility to investigate the same material by advanced molecular tools, as a major advance for understanding the evolutionary processes of the wheat rusts.

Not exact matches

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.
The discovery may help scientists develop new wheat varieties and strategies that protect the world's food crops against the wheat stem rust pathogen.
It is estimated that globally 5.47 million tonnes of wheat are lost to the stripe rust pathogen each year, equivalent to US$ 979 million.
Wheat researchers meeting at ICARDA in April said they had developed wheat varieties that can resist the new strain of yellow Wheat researchers meeting at ICARDA in April said they had developed wheat varieties that can resist the new strain of yellow wheat varieties that can resist the new strain of yellow rust.
A new, aggressive strain of yellow rust, a fungal disease of wheat, is waiting in the wings, and east Africa isn't the only region at risk.
The effort has already had one practical result: the discovery of two new genes for resistance to a race of wheat stem rust to which there is virtually no resistance in wheat.
Ibrahim and his colleagues have recently released a cultivar of winter wheat — TAM 305 — that is resistant to many of the rust fungi.
If the spread of rusts isn't controlled in Texas, wheat crops across the continent can be affected.
The early detection and responses was only possible due to long - term collaboration between Aarhus University in Denmark, the National Agricultural Research Institute (INRA) in France, the Julius Kühn Institute in Germany, the National Institute for Agricultural Botany in the United Kingdom, the International Wheat and Maize Improvement Centre Mexico, the International Centre of Agricultural Research in the Dry Areas, and the University of Agriculture, Peshawar, Pakistan, emphasizes Professor Mogens Støvring Hovmøller from the Department of Agroecology at Aarhus University, where he leads the Global Rust Reference Centre.
In 1904, stem rust destroyed more than half the harvest in South Dakota, then considered the wheat center of the world.
There is a high genetic diversity of the fungus causing wheat yellow rust, Puccinia striiformis, in the Himalayan and near - Himalayan regions, i.e. Nepal, Pakistan and China, and a much lower genetic diversity in other parts of the world.
Several factors indicate that the centre of diversity of wheat yellow rust is in the Himalayan region.
Agricultural scientists such as Edgar McFadden and Norman Borlaug — who won the Nobel Peace Prize in 1970 — have led efforts to breed cultivars of wheat resistant to infection by rusts.
«Invasions out of center of diversity increase risk of disease epidemics in wheat: Strains of wheat pathogen causing severe yellow rust epidemics in Europe have origin in the center of diversity in the Himalayan region.»
Wheat stem rust is caused by a fungal pathogen.
First, they chemically mutagenized the resistant accession of wheat to identify plants that become susceptible to the stem rust pathogen.
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.
Eduard Akhunov, associate professor of plant pathology at Kansas State University, stands in front of the einkorn wheat researchers used for identifying the Sr35 gene that is resistant to the Ug99 strain of wheat stem rust.
Nobel Peace Prize — winner Norman Borlaug developed resistant varieties of wheat that protected the world against stem rust for decades.
«Until that point, wheat breeders had two or three genes that were so efficient against stem rust for decades that this disease wasn't the biggest concern,» Akhunov said.
The joint US and Australian research team has now generated the first haplotype - resolved genome sequences for the rust fungi causing oat crown rust and wheat stripe rust diseases, two of the most destructive pathogens in oat and wheat, respectively.
An audio slideshow chronicles Norman Borlaugs lifelong efforts to defeat a wheat pathogen called stem rust (also see News Focus).
In 1944 Borlaug, trained as a plant pathologist, left the U.S. for Mexico to fight stem rust, a fungus that infects wheat, at the invitation of the Rockefeller Foundation, among others.
A scrappy, ancient species of wheat may help today's widely cultivated bread wheat fight the devastating fungus known as stem rust (shown growing on wheat stems).
The research, published today in the journal Nature Plants, quantifies for the first time the circumstances — routes, timings and outbreak sizes — under which dangerous strains of stem rust pose a threat from long - distance dispersal out of East Africa to the large wheat - producing areas in India and Pakistan.
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.
Wheat stem rust was reported by the Greeks and Romans, and the latter sacrificed to the gods to avoid disease outbreaks on their wheat cWheat stem rust was reported by the Greeks and Romans, and the latter sacrificed to the gods to avoid disease outbreaks on their wheat cwheat crops.
Tags: Borlaug Global Rust Initiative, CGIAR Research Program on Wheat, climate change, Cornell University, Delivering Genetic Gain in Wheat, empowerment, farming systems, female, food security, Front page, gender, India, Jeanie Borlaug Laube Women in Triticum (WIT) Early Career Award, Norman Borlaug, South Asia, stem rust, wheat diseases, wRust Initiative, CGIAR Research Program on Wheat, climate change, Cornell University, Delivering Genetic Gain in Wheat, empowerment, farming systems, female, food security, Front page, gender, India, Jeanie Borlaug Laube Women in Triticum (WIT) Early Career Award, Norman Borlaug, South Asia, stem rust, wheat diseases, Wheat, climate change, Cornell University, Delivering Genetic Gain in Wheat, empowerment, farming systems, female, food security, Front page, gender, India, Jeanie Borlaug Laube Women in Triticum (WIT) Early Career Award, Norman Borlaug, South Asia, stem rust, wheat diseases, Wheat, empowerment, farming systems, female, food security, Front page, gender, India, Jeanie Borlaug Laube Women in Triticum (WIT) Early Career Award, Norman Borlaug, South Asia, stem rust, wheat diseases, wrust, wheat diseases, wheat diseases, women
Stem rust disease was controlled for decades through the use of resistant wheat varieties bred in the 1950s by scientist Norman Borlaug and his colleagues.
She did her PhD research in a collaborative project involving Punjab Agricultural University and the John Innes Centre, UK, to deploy stripe and leaf rust resistance genes from non-progenitor wild wheat in commercial cultivars.
New outbreaks of rust epidemics, for example on previously resistant wheat cultivars, can be diagnosed rapid and efficient so that preventive and control measures can be implemented without delay.
In the past decade, the rapid spread of aggressive strains of yellow rust, and the emergence and spread of Ug99, have demonstrated that only combined, international efforts may solve or reduce these serious problems, which are threatening the daily bread supply in many wheat growing areas in Asia and Africa.
«The greatest hope for achieving durable resistance to rust diseases is to make wheat's resistance genetically complex, combining several genes and resistance mechanisms,» Singh explained.
Emergence of virulence to SrTmp in the Ug99 race group of wheat stem rust, Puccinia graminis f. sp. tritici, in Africa.
Up to 2014 wheat stem rust was not considered of major importance in Western Siberia, but severe epidemics in 2015 and 2016 has changed the situation.
A scourge of wheat since biblical times, stem rust caused major losses to North American wheat crops in the early 20th century.
These effectors will be screened and used to develop wheat cultivars with durable rust resistance.
First Report of Virulence to Sr25 in Race TKTTF of Puccinia graminis f. sp. tritici Causing Stem Rust on Wheat / Patpour, Mehran; Hovmøller, Mogens Støvring; Hodson, D.
We are pleased that the activities of the Global Rust Reference Center for yellow rust (GRRC), which was established in Denmark by the end of 2008, on behalf of CIMMYT, ICARDA and Aarhus University, are now being extended to cover wheat (black) stem rRust Reference Center for yellow rust (GRRC), which was established in Denmark by the end of 2008, on behalf of CIMMYT, ICARDA and Aarhus University, are now being extended to cover wheat (black) stem rrust (GRRC), which was established in Denmark by the end of 2008, on behalf of CIMMYT, ICARDA and Aarhus University, are now being extended to cover wheat (black) stem rustrust.
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