نتایج جستجو برای: septoria tritici blotch stb

تعداد نتایج: 3530  

2017
E. S. Orton J. J. Rudd J. K. M. Brown

Zymoseptoria tritici, the causal agent of septoria tritici blotch, a serious foliar disease of wheat, is a necrotrophic pathogen that undergoes a long latent period. Emergence of insensitivity to fungicides, and pesticide reduction policies, mean there is a pressing need to understand septoria and control it through greater varietal resistance. Stb6 and Stb15, the most common qualitative resist...

Journal: :Mycology 2023

Septoria tritici blotch or leaf has been used for long time, but is a correct disease name. Moreover, Lb resistant gene the name, but, not Stb gene. It sexual and asexual parts on mycelia, known as heterothallic fungi. Its pathogenic diversity ranged from 40% to 93% produced wide variety of AvrLb6 haplotypes. M. graminicola plasmogamy karyogamy process. The pathogen can use macropycnidiospores,...

2016
Elizabeth S. Orton James K. M. Brown

Crops are attacked by many potential pathogens with differing life-history traits, which raises the question of whether or not the outcome of infection by one pathogen may be modulated by a change in the host environment brought on by infection by another pathogen. We investigated the host-mediated interaction between the biotroph Blumeria graminis f.sp. tritici (Bgt), the powdery mildew pathog...

Journal: :Frontiers in Genetics 2021

Septoria tritici blotch (STB) caused by the fungal pathogen Zymoseptoria and powdery mildew (PM) Blumeria graminis f.sp ( Bgt ) are among forefront foliar diseases of wheat that lead to a significant loss grain yield quality. Resistance breeding aimed at developing varieties with inherent resistance STB PM has been most sustainable environment-friendly approach. In this study, 175 winter landra...

Journal: :journal of crop protection 2012
abbas saidi naser safaie parisa palizi

mycosphaerella graminicola, the causal agent of septoria tritici blotch (stb), is a widespread and significant pathogen of wheat. to determine mating types, 89 isolates were collected randomly from wheat fields of khuzestan, east azerbaijan, ardebil, kermanshah and golestan provinces of iran, during 2006-7. dna was extracted based on standard protocols. multiplex pcr was conducted using two pai...

Journal: :Annals of botany 2007
Marie-Odile Bancal Corinne Robert Bertrand Ney

BACKGROUND AND AIMS Crop protection strategies, based on preventing quantitative crop losses rather than pest outbreaks, are being developed as a promising way to reduce fungicide use. The Bastiaans' model was applied to winter wheat crops (Triticum aestivum) affected by leaf rust (Puccinia triticina) and Septoria tritici blotch (STB; Mycosphaerella graminicola) under a range of crop management...

Journal: :Plant physiology 2015
Jason J Rudd Kostya Kanyuka Keywan Hassani-Pak Mark Derbyshire Ambrose Andongabo Jean Devonshire Artem Lysenko Mansoor Saqi Nalini M Desai Stephen J Powers Juliet Hooper Linda Ambroso Arvind Bharti Andrew Farmer Kim E Hammond-Kosack Robert A Dietrich Mikael Courbot

The hemibiotrophic fungus Zymoseptoria tritici causes Septoria tritici blotch disease of wheat (Triticum aestivum). Pathogen reproduction on wheat occurs without cell penetration, suggesting that dynamic and intimate intercellular communication occurs between fungus and plant throughout the disease cycle. We used deep RNA sequencing and metabolomics to investigate the physiology of plant and pa...

Journal: :Physiological and Molecular Plant Pathology 2022

For a sustainable environment, plant-growth-promoting rhizobacteria (PGPR) are natural resources considering as one of the most important fungicides’ alternatives inducing resistance to plant diseases. The aim present work is investigate synergistic promotion effect PGPR mixture composed Paenibacillus sp. strain B2 (PB2) and Arthrobacter spp. AA (AA), referred hereafter Mix-2, on wheat growth, ...

Journal: :پژوهش های تولید گیاهی 0
الهام محمودی دانشجوی کارشناسی ارشد بیماری شناسی گیاهی، دانشکده تولید گیاهی دانشگاه علوم کشاورزی ومنابع طبیعی گرگان اکرم آق مولایی دانشجوی کارشناسی ارشد بیماری شناسی گیاهی، دانشکده تولید گیاهی دانشگاه علوم کشاورزی ومنابع طبیعی گرگان شعبان کیا مربی مرکز تحقیقات کشاورزی و منابع طبیعی گلستان، گرگان سعید نصرالله نژاد دانشیار گروه گیاهپزشکی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

background and objectives: septoria leaf blotch disease (stb) caused by the fungus mycosphaerella graminicola (fuckel) j. schroeter (anamorph: septoria tritici roberge), is one of the most destructive foliar diseases of wheat in the world, that its worldwide damage in outburst years is about 30 to 50 per cent. the pathogen is a bipolar heterotallic ascomycete that its sexual life cycle is repea...

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