Rhizoctonia Disease

Rhizoctonia Disease

 

a disease occurring primarily on the roots and the basal portion of the stem in many plants. The disease is caused by soil fungi of the genus Rhizoctonia of the class Basidiomycetes. Manifestations include the appearance of lead-gray spots with very small black sclerotia on the affected part of the stem and root. The mycelium of the causative agents not only is preserved but develops saprophytically in the soil. Most harmful are rhizoctonia disease of potato, sugarbeet, carrot, cotton, cucurbits, and crucifers. Control measures include crop rotation, liming of acid soils, application of organic fertilizers, good presowing treatment of the soil, use of high-quality seeds, and disinfection of hotbed soil with fungicides.

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Barnett SJ (2005) Microorganisms and mechanisms that contribute to Rhizoctonia disease suppression on wheat.
Gupta, VVSR, McDonough, C, Davoren, B, Roget, DK (2009) Effect of intensive no-till cropping systems on Rhizoctonia disease incidence at the Waikerie site.
(16.) Kundu, P.K., Nandi, B., Control of Rhizoctonia disease of cauliflower by competitive inhibition of the pathogen using organic amendments in soil.
Contract Awarded for management of soilborne rhizoctonia disease risk in cereal crops
Rhizoctonia disease data for all tubers per replicate (pot) in all trials were averaged prior to analysis.
Eklas, Hamid et al., [12] found that cow manure treatment recorded the lowest Rhizoctonia disease incidence.
Crop rotation is a must if clubroot (which deforms the roots and prevents them from absorbing soil nutrients) and rhizoctonia disease (wirestem) are to be avoided.
Biological and chemicalcontrol and their combined use to control different stages of of the Rhizoctonia disease complex on potato through the growing season.
Pantoea, Exiguobacterium, and Microbacteria have not previously been associated with the suppresison of Rhizoctonia diseases; however, they have been reported to have beneficial properties.