نتایج جستجو برای: mycosphaerella graminicola

تعداد نتایج: 910  

2011
Kamel Abd-Elsalam Ali H. Bahkali Mohamed Moslem Pierre J. G. M. De Wit Joseph-Alexander Verreet

Early detection of infection is very important for efficient management of Mycosphaerella graminicola leaf blotch. To monitor and quantify the occurrence of this fungus during the growing season, a diagnostic method based on real-time PCR was developed. Standard and real-time PCR assays were developed using SYBR Green chemistry to quantify M. graminicola in vitro or in wheat samples. Microsatel...

2014
Ki-Woong Nam Soh-Young Oh Deok-Hoon Yoon

Pear skin stains on 'Niitaka' pears, which occur from the growing stage to the cold storage stage, reportedly negatively influence the marketing of pears. These stains on fruit skin are likely due to a pathogenic fungus that resides on the skin and is characterized by dark stains; however, the mycelium of this fungus does not penetrate into the sarcocarp and is only present on the cuticle layer...

Journal: :Fungal genetics and biology : FG & B 2007
Stephen B Goodwin Theo A J van der Lee Jessica R Cavaletto Bas Te Lintel Hekkert Charles F Crane Gert H J Kema

A database of 30,137 EST sequences from Mycosphaerella graminicola, the septoria tritici blotch fungus of wheat, was scanned with a custom software pipeline for di- and trinucleotide units repeated tandemly six or more times. The bioinformatics analysis identified 109 putative SSR loci, and for 99 of them, flanking primers were developed successfully and tested for amplification and polymorphis...

Journal: :Molecular biology and evolution 2007
Eva H Stukenbrock Søren Banke Mohammad Javan-Nikkhah Bruce A McDonald

The Fertile Crescent represents the center of origin and earliest known place of domestication for many cereal crops. During the transition from wild grasses to domesticated cereals, many host-specialized pathogen species are thought to have emerged. A sister population of the wheat-adapted pathogen Mycosphaerella graminicola was identified on wild grasses collected in northwest Iran. Isolates ...

Journal: :Fungal genetics and biology : FG & B 2008
Stefano F F Torriani Stephen B Goodwin Gert H J Kema Jasmyn L Pangilinan Bruce A McDonald

The mitochondrial genomes of two isolates of the wheat pathogen Mycosphaerella graminicola were sequenced completely and compared to identify polymorphic regions. This organism is of interest because it is phylogenetically distant from other fungi with sequenced mitochondrial genomes and it has shown discordant patterns of nuclear and mitochondrial diversity. The mitochondrial genome of M. gram...

2016
Yoon-E Choi Changsu Lee Stephen B. Goodwin

The ascomycete fungus Mycosphaerella graminicola (synonym Zymoseptoria tritici) is an important pathogen of wheat causing economically significant losses. The primary nutritional mode of this fungus is thought to be hemibiotrophic. This pathogenic lifestyle is associated with an early biotrophic stage of nutrient uptake followed by a necrotrophic stage aided possibly by production of a toxin or...

Journal: :دانش گیاه پزشکی ایران 0
مهدی داوری دانشگاه محقق اردبیلی- عضو هیات علمی -دانشجوی دکتری مسعود ابرین بنا استادیار دانشگاه ارومیه رسول اصغری زکریا دانشیار دانشگاه محقق اردبیلی مهدی ارزنلو استادیار دانشگاه تبریز

septoria tritici blotch (stb), caused by mycosphaerella graminicola (anamorph: septoria tritici), is one of the most important diseases of wheat worldwide that has been intensified recently in some regions of iran including moghan plain. in this study reaction of 23 bread and durum wheat cultivars to 10 isolates of the pathogen collected from moghan region during 2007 and 2008, were evaluated u...

2006
RICARDO MADARIAGA

aluminum pans 20 X 20 X 5 cm. No additional fertilizer was used. The soilMadariaga B., R., and Scharen, A. L. 1986. Interactions of Puccinia striiformis and andimixnwasfsufficientlys nutritious to Mycosphaerella graminicola on wheat. Plant Disease 70: 651-654. sand mix was sufficiently nutritious to support completely healthy-appearing Puccinia striiformis and Mycosphaerella graminicola are fre...

2005
V. I. Mavroeidi M. W. Shaw

The sensitivity of 73 isolates of Mycosphaerella graminicola collected over the period 1993–2002 from wheat fields in South England was tested in vitro against the triazole fluquinconazole, the strobilurin azoxystrobin and to the imidazole prochloraz. Over the sampling period, sensitivity of the population to fluquinconazole and prochloraz decreased by factors of approximately 10 and 2, respect...

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