نتایج جستجو برای: rhizoctonia solani ag

تعداد نتایج: 47855  

Journal: :Sugar Tech 2021

Rhizoctonia solani is an economically important pathogen of sugar beet (Beta vulgaris L.) causing seedling damping-off, and root crown rot. Cultural practices, partially resistant cultivars, fungicides are among the methods most used to manage R. solani. Penicillium pinophilum, a potential biocontrol agent for was isolated from beet. Our objective evaluate P. pinophilum against AG 2–2 under lab...

2013
Xiangling Fang Patrick M. Finnegan Martin J. Barbetti

Strawberry (Fragaria×ananassa) is one of the most important berry crops in the world. Root rot of strawberry caused by Rhizoctonia spp. is a serious threat to commercial strawberry production worldwide. However, there is no information on the genetic diversity and phylogenetic status of Rhizoctonia spp. associated with root rot of strawberry in Australia. To address this, a total of 96 Rhizocto...

2017
Ning Li Jing Chen Fangfang Yang Shutong Wei Lingguang Kong Xinhua Ding Zhaohui Chu

Plants are continuously exposed to myriad pathogen stresses. However, the molecular mechanisms by which these stress signals are perceived and transduced are poorly understood. In this study, the maize gene GRMZM2G315431 was identified to be highly inducible by Rhizoctonia solani infection, suggesting that the promoter of GRMZM2G315431 (pGRMZM2G315431) might contain a specific cis-acting elemen...

Journal: :International Journal of Enviornment and Climate Change 2022

The antagonistic potential of seven species native Trichoderma against Rhizoctonia solani f.sp. sasakii were evaluated in dual culture method which includes T. asperellum (KU933476), koningiopsis (KU904460), Hypocrea lixii (KX0113223), harzianum (KU933471), ovalisporum (KU904456), (KU904458), atroviridae (KU933472). Among them showed highest inhibition percentage (78.09%), followed by (70.95%),...

Journal: :Polish journal of microbiology 2014
Saeed Ahmad Asad Naeem Ali Abdul Hameed Sabaz Ali Khan Rafiq Ahmad Muhammad Bilal Muhammad Shahzad Ayesha Tabassum

In this study, the biocontrol abilities of water-soluble and volatile metabolites of three different isolates of Trichoderma (T. asperellum, T. harzianum and Trichoderma spp.) against soil borne plant pathogen Rhizoctonia solani were investigated both in vitro and in vivo. The results showed for the first time that mycelial growth inhibition of the pathogen was 74.4-67.8% with water-soluble met...

ژورنال: :فصلنامه تحقیقات بیماریهای گیاهی 0
فرزانه بادپا دانش آموخته کارشناسی ارشد، گروه زیست شناسی، دانشگاه اصفهان، اصفهان، ایران. غلامرضا بلالی دانشیار، گروه زیست شناسی، دانشکده علوم، دانشگاه اصفهان، اصفهان، ایران. بهرام شریف نبی استاد، گروه گیاهپزشکی، دانشکده کشاورزی، دانشگاه صنعتی اصفهان، اصفهان، ایران

توالی­های dna ریبوزومی به­دلیل اینکه دارای کپی­های زیادی از ژن­های rrna و نیز درجه بالایی از تغییر می­باشند، به­منظور بررسی روابط فیلوژنی در محدوده وسیعی از سطوح تاکسونومی مورد استفاده قرار می­گیرند. نواحی its و فواصل داخل ژنی dna ریبوزومی هسته­ای، واحد­های تکراری تکامل یافته ثابت می­باشند و ممکن است در بین گونه های داخل یک جنس یا در بین افراد یک جمعیت متغیر باشند. به­منظور ارزیابی چند شکلی نوا...

Journal: Mycologia Iranica 2014

Rhizoctonia-like fungi were isolated from the infected roots of miniature rose (Rosa hybrida cv. Linda) plant with chlorosis and necrosis symptoms, grown in commercial glasshouse in Rafsanjan, Iran, during the autumn of 2011. All of the isolates were identified as binucleate Rhizoctonia sp. on the basis of hyphal characteristics and nuclei number. They were tested for detection of the anastomos...

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