نتایج جستجو برای: wheat collections

تعداد نتایج: 88782  

1999
Mabel Beckman BENT SKOVMAND SUKETOSHI TABA MARILYN WARBURTON

To feed a world population growing by up to 160 people per minute, with >90% of them in developing countries, will require an astonishing increase in food production. Forecasts call for wheat to become the most important cereal in the world, with maize close behind; together, these crops will account for '80% of developing countries’ cereal import requirements. Access to a range of genetic dive...

Journal: :International journal of phytopathology 2021

Collections of Puccinia triticina were made from farmers’ fields five different agro-ecological locations (Sakrand, Tandojam, Larkana, Sanghar and Badin) Sindh province, Pakistan 2015 2016, to identify the virulence variation. Single uredinial isolates investigated for phenotyping on 24 near isogenic (Thatcher wheat) lines which differ single Lr resistance genes. Spores two (Sakrand Tandojam) n...

Journal: :Agronomy 2023

In this study, the origin of Spanish durum wheat and olive tree landrace collections (preserved in seed banks ex situ field collections, respectively) was traced throughout different studies on genetic structure analysis historical records plant material circulation these two crops south east Spain (the main cultivation areas). Although there were several groups landraces, they did not cluster ...

Journal: :Phytopathology 2011
Liane Rosewich Gale Stephen A Harrison Todd J Ward Kerry O'Donnell Eugene A Milus Samuel W Gale H Corby Kistler

U.S. populations of the Fusarium graminearum clade cause head blight on wheat and barley and usually contaminate grain with the trichothecene mycotoxin deoxynivalenol (DON). Recently, however, individual nivalenol (NIV)-type isolates from the United States were described that belonged to either the newly described species F. gerlachii or the genetically distinct Gulf Coast population of F. gram...

2010
Fethi Bnejdi Mohamed El Gazzah

Parental, F(1) , F (2) , BC (1) and BC (2) generations of four crosses involving four cultivars of durum wheat (Triticum durum Desf.) were evaluated at two sites in Tunisia. A three-parameter model was found inadequate for all cases except crosses Chili x Cocorit 71 at site Sidi Thabet and Inrat 69 x Karim at both sites. In most cases a digenic epistatic model was sufficient to explain variatio...

Journal: :medical journal of islamic republic of iran 0
farhood saremi from the department of radiology, imam khomeini hospital, tehran university of medical sciences, tehran, islamic republic of iran.

this report summarizes the results of 64 percutaneous catheter drainage of abdominal abscesses and fluid collections in 56 patients. aspiration and drainage was guided with computed tomography in 34 patients and with ultrasound in 30 patients. success rate was 90%. infected collections were successfully drained in 94% and noninfected collections in 72% . partial success was achieved in two pati...

2010
Thomas Wicker Robin Buell

The Triticeae tribe contains some of the world's most important agricultural crops (wheat, barley and rye) and is perhaps, one of the most challenging for genome annotation because Triticeae genomes are primarily composed of repetitive sequences. Further complicating the challenge is the polyploidy found in wheat and particularly in the hexaploid bread wheat genome. Genomic sequence data are av...

2010
Dadong Zhang Guihua Bai Chengsong Zhu Jianming Yu Brett F. Carver

Information on genetic diversity and population structure of elite wheat (Triticum aestivum L.) breeding lines promotes effective use of genetic resources. We analyzed 205 elite wheat breeding lines from major winter wheat breeding programs in the USA using 245 markers across the wheat genomes. This collection showed a high level of genetic diversity as refl ected by allele number per locus (7....

2013
N. Di Fonzo

Article available on line / Article disponible en ligne à l’adresse : -------------------------------------------------------------------------------------------------------------------------------------------------------------------------http://om.ciheam.org/article.php?IDPDF=600082 ----------------------------------------------------------------------------------------------------------------...

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