نتایج جستجو برای: rhizoctonia solani گروه آناستوموزی 4

تعداد نتایج: 1399484  

ژورنال: :زیست فناوری دانشگاه تربیت مدرس 2013
سهیلا طالش ساسانی بهرام محمدسلطانی مهرداد بهمنش ناصر صفایی

چکیده- سوختگی غلاف برنج که توسط قارچ rhizoctonia solani ایجاد میشودیکی ازمخرب ترین بیماری های برنج درسرتاسرجهان است. روش متداول مبارزه بااین بیماری استفاده ازقارچ کش هااست که مشکلات جدیدی درپی دارد. بنابراین آشنایی با مکانیسم های سلولی ومولکولی میانکنش ما بین پاتوژن ومیزبان درمدیریت بیماری وبه کارگیری روش های موثر کنترل بیماری ضروری می باشد. دراین تحقیق باا ستفاده ازابزار بیوانفورماتیک وrt-pcr ...

Journal: :Journal of Advanced Zoology 2022

The study was conducted for the purpose of knowing effect mycorrhizal fungus on controlling root rot disease caused by pathogenic Rhizoctonia solani, field experiment included four treatments and each treatment had five replicates, were as follows (Control, Mycorrhiza, Rhizoctonia, Rhizoctonia), where percentage infection with (0.00, 0.00, 96.91, 63.58), respectively. while growth indicators st...

Journal: : 2022

In August 2021, we surveyed diseases of wild vegetables grown in Taebaek, Gangwon Province, Korea. During the disease survey, observed severe damping-off symptoms young edible aster (<i>Aster scaber</i>) plants a vinyl greenhouse investigated. The incidence ranged from 5% to 20%. Diseased were collected greenhouse, and fungi isolated petiole lesions diseased plants. <i>Rhizoct...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده کشاورزی 1391

قارچ rhizoctonia solani قارچ قادر به ایجاد نکروز، شانکر، مرگ گیاهچه، پوسیدگی ریشه و طوقه، پوسیدگی اندام های ذخیره ای و در برخی موارد پوسیدگی اندام های هوایی درگونه های گیاهی مختلف می باشد. کنترل این قارچ با توجه به استقرار در خاک و فعالیت عمده آن در قسمتهای زیرزمینی گیاهان، مشکل می باشد. گونه های tyrophagus putrescentiae و caloglyphus mycophagus کنه های قارچ خواری هستند که اغلب در محیط های کشت ...

2016
Jonathan P. Anderson James K. Hane Thomas Stoll Nicholas Pain Marcus L. Hastie Parwinder Kaur Christine Hoogland Jeffrey J. Gorman Karam B. Singh

Rhizoctonia solani is an important root infecting pathogen of a range of food staples worldwide including wheat, rice, maize, soybean, potato, legumes and others. Conventional resistance breeding strategies are hindered by the absence of tractable genetic resistance in any crop host. Understanding the biology and pathogenicity mechanisms of this fungus is important for addressing these disease ...

2013
Dorota M. Krzyzanowska Adam Iwanicki Adam Ossowicki Michał Obuchowski Sylwia Jafra

Bacillus subilis MB73/2 is a Gram-positive bacterium isolated in Poland from a meadow soil sample. When tested in vitro, the strain shows strong antagonism toward plant pathogens-the soft rot-causing bacteria Dickeya spp. and the crown rot fungus Rhizoctonia solani. Here, we present the genome sequence of MB73/2.

2014
W. Marek Gołębiewski Monika Cyrta Maria Krawczyk

Several ether and ester derivatives of aryl aldoximes have been synthesized from the aryl aldehydes. Structures of all new products were established by spectral methods. Many of the obtained compounds showed higher activity against fungal pathogens Botrytis cinerea, Fusarium culmorum, Phytophthora cactorum, and Rhizoctonia solani than the reference substance chlorothalonil, reaching 100% inhibi...

Journal: :International journal of biological macromolecules 2014
Said S Elkholy Hend A Salem Mohamed Eweis Maher Z Elsabee

Three acyl derivatives of chitosan (CS) with different side chains were synthesized and their structures were characterized. Their swelling behavior was investigated. The antifungal behavior of these chitosan derivatives was investigated in vitro on the mycelial growth, sporulation and germination of conidia or sclerotia of the sugar-beet pathogens, Rhizoctonia solani K"uhn (AG2-2) and Scleroti...

2014
Seema Dharni Sanchita Abdul Samad Ashok Sharma Dharani Dhar Patra

1-Hydroxyphenazine (1-OH-PHZ), a natural product from Pseudomonas aeruginosa strain SD12, was earlier reported to have potent antifungal activity against Rhizoctonia solani. In the present work, the antifungal activity of 1-OH-PHZ on 40S ribosomal S9 protein was validated by molecular docking approach. 1-OH-PHZ showed interaction with two polar contacts with residues, Arg69 and Phe19, which inh...

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