نتایج جستجو برای: F. avenaceum

تعداد نتایج: 305753  

2011
Tomasz Kulik Agnieszka Pszczółkowska Maciej Łojko

Fusarium avenaceum is a common soil saprophyte and plant pathogen of a variety of hosts worldwide. This pathogen is often involved in the crown rot and head blight of cereals that affects grain yield and quality. F. avenaceum contaminates grain with enniatins more than any species, and they are often detected at the highest prevalence among fusarial toxins in certain geographic areas. We studie...

Journal: :Phytopathology 2009
F A Nalim W H Elmer R J McGovern D M Geiser

Fusarium avenaceum is a globally distributed fungus commonly isolated from soil and a wide range of plants. Severe outbreaks of crown and stem rot of the flowering ornamental, lisianthus (Eustoma grandiflorum), have been attributed to F. avenaceum. We sequenced portions of the translation elongation factor 1-alpha (tef) and beta-tubulin (benA) protein coding genes as well as partial intergenic ...

2014
Erik Lysøe Linda J. Harris Sean Walkowiak Rajagopal Subramaniam Hege H. Divon Even S. Riiser Carlos Llorens Toni Gabaldón H. Corby Kistler Wilfried Jonkers Anna-Karin Kolseth Kristian F. Nielsen Ulf Thrane Rasmus J. N. Frandsen

Fusarium avenaceum is a fungus commonly isolated from soil and associated with a wide range of host plants. We present here three genome sequences of F. avenaceum, one isolated from barley in Finland and two from spring and winter wheat in Canada. The sizes of the three genomes range from 41.6-43.1 MB, with 13217-13445 predicted protein-coding genes. Whole-genome analysis showed that the three ...

2014
Zhiqing Guo Katharina Döll Raana Dastjerdi Petr Karlovsky Heinz-Wilhelm Dehne Boran Altincicek

Species of Fusarium have significant agro-economical and human health-related impact by infecting diverse crop plants and synthesizing diverse mycotoxins. Here, we investigated interactions of grain-feeding Tenebrio molitor larvae with four grain-colonizing Fusarium species on wheat kernels. Since numerous metabolites produced by Fusarium spp. are toxic to insects, we tested the hypothesis that...

Journal: :Applied and environmental microbiology 2002
A Logrieco A Rizzo R Ferracane A Ritieni

We evaluated Fusarium contamination and the levels of hexadepsipeptide mycotoxins in 13 wheat samples affected by head blight in Finland. Fusarium avenaceum was the dominant species (91%) isolated from all samples, but isolates of F. culmorum (4%), F. tricinctum (3%), and F. poae (2%) also were recovered. Beauvericin (0.64 to 3.5 microg/g) was detected in all 13 samples. Enniatin B (trace to 4....

2011
Jenny Spång Elisabeth Fredlund Stefan Bertilsson

Fusarium is a type of mould capable of producing several diseases in cereals. Infection is a worldwide problem associated with yield losses and the accumulation of toxic secondary metabolites, mycotoxins, which are harmful to both humans and animals. F. graminearum, F. culmorum, F. avenaceum, F. poae, and F. tricinctum, including corresponding mycotoxins were quantified in wheat samples from 6 ...

ارشاد جعفر ترابی محمد زمانی زاده حمیدرضا نیازمند علیرضا

این تحقیق به منظور شناسایی گونه های Fusarium عامل بیماری بالیت فوزاریومی سنبله جو در استان مازندران در سال زراعی 74 - 1373 انجام گرفت. از مجموع260جدایه فوزاریوم به دست آمده از سنبله های جو آلوده منطقه، گونه های F usarium gramineaum . reticulatum . semitectum ,F . graminum ,F . avenaceum, F . culmorum , ,F و F . lateritium جدا گردید. در میان گونه های فوزاریوم جداشده، گونه های F. riticulatum F. l...

2016
H. Nagaraja G. Chennappa K. Poorna Chandra Rao G. Mahadev Prasad M. Y. Sreenivasa

A total of 198 cereal samples (53 maize, 54 sorghum, 37 paddy and 54 wheat) were collected from 11 districts of Karnataka to understand the percent infection (PI), relative density (RD) and their frequency (Fr) caused by Fusarium spp. All samples were screened by agar plating method using MGA 2.5 agar media and incubated at 25 ± 2 °C for 3-5 days. The study revealed the association of 10 differ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده کشاورزی 1393

بیماری پوسیدگی فوزاریومی ریشه و طبق پیاز در سراسر جهان وجود دارد و در چند سال اخیر در مناطق عمده کشت پیاز و به خصوص در استان آذربایجان شرقی گسترش زیادی پیدا کرده است و در حال حاضر مهمترین بیماری پیاز در ایران می‏باشد. بنابراین به منظور شناسایی و مطالعه بیماریزایی قارچ های فوزاریوم (fusarium spp.) عامل این بیماری در مناطق عمده کشت این محصول در دو استان آذربایجان شرقی و آذربایجان غربی در تابستان ...

2018
Adnan Šišić Jelena Baćanović-Šišić Petr Karlovsky Raphaël Wittwer Florian Walder Enio Campiglia Emanuele Radicetti Hanna Friberg Jörg Peter Baresel Maria R Finckh

Leguminous cover crop and living mulch species show not only great potential for providing multiple beneficial services to agro-ecosystems, but may also present pathological risks for other crops in rotations through shared pathogens, especially those of the genus Fusarium. Disease severity on roots of subterranean clover, white clover, winter and summer vetch grown as cover crop and living mul...

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