نتایج جستجو برای: rhizoctonia solani ag

تعداد نتایج: 47855  

2016
Anika Bartholomäus Daniel Wibberg Anika Winkler Alfred Pühler Andreas Schlüter Mark Varrelmann

Rhizoctonia solani represents an important plant pathogenic Basidiomycota species complex and the host of many different mycoviruses, as indicated by frequent detection of dsRNA elements in natural populations of the fungus. To date, eight different mycoviruses have been characterized in Rhizoctonia and some of them have been reported to modulate its virulence. DsRNA extracts of the avirulent R...

2015
Bhawana Sharma K. K. Srivastava Neelam Verma Ram Niwas Meeta Singh

Chemical fungicides are used worldwide for enhance crop yield and control plant diseases. When crops are treated with chemical fungicides over a long period then some fungi develop resistance to these chemicals beside this these chemicals are harmful to other non target microorganism and disturb microbial community of soil. In view of these facts, it is urgent need to discover eco friendly, ren...

2015
Craig J. Sturrock James Woodhall Matthew Brown Catherine Walker Sacha J. Mooney Rumiana V. Ray

Rhizoctonia solani is a plant pathogenic fungus that causes significant establishment and yield losses to several important food crops globally. This is the first application of high resolution X-ray micro Computed Tomography (X-ray μCT) and real-time PCR to study host-pathogen interactions in situ and elucidate the mechanism of Rhizoctonia damping-off disease over a 6-day period caused by R. s...

2014
Marc A. Cubeta Elizabeth Thomas Ralph A. Dean Suha Jabaji Stephen M. Neate Stellos Tavantzis Takeshi Toda Rytas Vilgalys Narayanaswamy Bharathan Natalie Fedorova-Abrams Suman B. Pakala Suchitra M. Pakala Nikhat Zafar Vinita Joardar Liliana Losada William C. Nierman

The soil fungus Rhizoctonia solani is a pathogen of agricultural crops. Here, we report on the 51,705,945 bp draft consensus genome sequence of R. solani strain Rhs1AP. A comprehensive understanding of the heterokaryotic genome complexity and organization of R. solani may provide insight into the plant disease ecology and adaptive behavior of the fungus.

Journal: :Phytopathology 2010
Melvin D Bolton Lee Panella Larry Campbell Mohamed F R Khan

Rhizoctonia solani AG-2-2 is the causal agent of Rhizoctonia root and crown rot in sugar beet; however, recent increases in disease incidence and severity were grounds to reevaluate this pathosystem. To assess the capacity at which other anastomosis groups (AGs) are able to infect sugar beet, 15 AGs and intraspecific groups (ISGs) were tested for pathogenicity on resistant ('FC708 CMS') and sus...

Journal: :Pest management science 2006
Rebecca L Larson Amy L Hill Ann Fenwick Andrew R Kniss Linda E Hanson Stephen D Miller

This study tests the effect of glyphosate application on disease severity in glyphosate-resistant sugar beet, and examines whether the increase in disease is fungal or plant mediated. In greenhouse studies of glyphosate-resistant sugar beet, increased disease severity was observed following glyphosate application and inoculation with certain isolates of Rhizoctonia solani Kuhn and Fusarium oxys...

2018
Jamil Samsatly Tanya R Copley Suha H Jabaji

Biotic stress, as a result of plant-pathogen interactions, induces the accumulation of reactive oxygen species in the cells, causing severe oxidative damage to plants and pathogens. To overcome this damage, both the host and pathogen have developed antioxidant systems to quench excess ROS and keep ROS production and scavenging systems under control. Data on ROS-scavenging systems in the necrotr...

Journal: :Applied and environmental microbiology 1985
M F Allen M G Boosalis E D Kerr A E Muldoon H J Larsen

Rhizoctonia solani causes crown rot of sugar beets, a severe disease that has destroyed up to 60% of the plants in a test field in western Nebraska. Laetisaria arvalis, a natural hyperparasite of Rhizoctonia spp., was isolated from fields in western Nebraska. To test for the potential for biological control of R. solani, in November 1980 (following harvest) we applied various combinations of a ...

2017
Nguyen Van Minh E-Eum Woo Gang-Seon Lee Dae-Won Ki In-Kyoung Lee Sang-Yeob Lee Kyeonghun Park Jaekyeong Song Jae Eul Choi Bong-Sik Yun

Ginseng damping-off, caused by the fungal pathogens Rhizoctonia solani and Pythium sp., is a critical disease in ginseng seedling. In a continuing effort to find microorganisms with the potential of acting as a biocontrol agent against Rhizoctonia damping-off, we found that a Streptomyces sp. A501 showed significant antifungal activity against Rhizoctonia solani. In field experiment to test the...

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