نتایج جستجو برای: root and crown rot of sugar beet caused by rhizoctonia solani ag2

تعداد نتایج: 24351987  

2013
Rhonda C. Foley Cynthia A. Gleason Jonathan P. Anderson Thorsten Hamann Karam B. Singh

Rhizoctonia solani is an important soil-borne necrotrophic fungal pathogen, with a broad host range and little effective resistance in crop plants. Arabidopsis is resistant to R. solani AG8 but susceptible to R. solani AG2-1. A screen of 36 Arabidopsis ecotypes and mutants affected in the auxin, camalexin, salicylic acid, abscisic acid and ethylene/jasmonic acid pathways did not reveal any vari...

Journal: :Journal of nematology 2005
J A Lamondia R S Cowles

The interaction of lesion nematodes, black root rot disease caused by Rhizoctonia fragariae, and root damage caused by feeding of the scarab larva, Maladera castanea, was determined in greenhouse studies. Averaged over all experiments after 12 weeks, root weight was reduced 13% by R. fragariae and 20% by M. castanea. The percentage of the root system affected by root rot was increased by inocul...

Journal: :Agronomy 2022

Chemical pesticides and fungicides are used extensively, negatively affecting people’s health the environment. Reducing synthetic increasing efficiency of sustainable food production using plant extracts as natural chemicals is a win–win. Here, we first describe evaluate an ethanolic extract Chorisia speciosa for its protective curative activities against Rhizoctonia solani in greenhouse-grown ...

Journal: :Mediterranean Agricultural Sciences 2022

The root rot disease complex of Meloidogyne hapla Chitwood, 1949 (Nemata: Meloidogynidae) and Rhizoctonia solani Kühn was investigated in 2021 under controlled conditions with different applications on tomato. Three week-old seedlings (cv. Alberty F1) were inoculated M. and/or R. according to priority the applications. After sixty days, parameters plant height, wet weight, numbers gall egg mass...

2015
Suli Sun Changjian Xia Jiqing Zhang Canxing Duan Xiaoming Wang Xiaofei Wu Suk-Ha Lee Zhendong Zhu

During late August and early September 2011, stem rot symptoms were observed on adzuki bean plants (Vigna angularis) growing in fields located in Beijing and Hebei Province, China, respectively. In this study, four isolates were obtained from infected stems of adzuki bean plants. Based on their morphology, and sequence and polymerase chain reaction-restriction fragment length polymorphism (PCR-...

Journal: :دانش گیاه پزشکی ایران 0
سمانه گلپایگانی دانشجوی سابق کارشناسی ارشد دانشکده کشاورزی دانشگاه بوعلی سینا، همدان دوستمراد ظفری دانشیار دانشکده کشاورزی دانشگاه بوعلی سینا، همدان غلام خداکرمیان دانشیار دانشکده کشاورزی دانشگاه بوعلی سینا، همدان

some types of faba bean suspected of root pathogens in lorestan provincec, iran were sampled during years 2007 to 2008. after some pathogenicity tests, 121 samples which suffered from root fungus disease and from chromista were totally isolated. the abundance of fungi, fusarium solani, which caused the faba bean root rot was more than that of the other separated types and as well as the farming...

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