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Introduction. Smut disease in sugarcane caused by the fungus Ustilago scitaminea (H and P Sydow) occurs in all sugarcane-producing countries except Papua New Guinea, and has produced epidemics in several parts of the world. The disease has been severe in nearly all countries at one time or another [1]and can be sufficiently …
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Ustilago scitaminea Sydow & P. Sydow. Spore . ge rmi n at i on is achieved on the internode surface, and . it is followed by the fo rmation of appressoria,
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Sugarcane (Saccharum spp. hybrid) is an essential agro-industrial crop in tropical and subtropical regions of the world (Patel et al. 2018).Various microorganisms infect sugarcane; among them, Sporisorium scitamineum (Syn. Ustilago scitaminea) is a major pathogen (Vicente et al. 2021).Barnabas et al. have reported smut disease as one …
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Sugarcane smut, caused by Sporisorium scitamineum (previously called Ustilago scitaminea), is one of the most important sugarcane diseases in Japan and other sugarcane-growing countries. A typical symptom of this disease is the development of a whip-like sorus from the top of the infected stalks, and the spores of the exposed sorus …
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This study was conducted to evaluate the variability of sugarcane smut pathogen, Ustilago scitaminea sydow in the Philippines using molecular, pathogenicity and morphological approaches. Ninety six isolates of the smut fungus collected from 17 sugarcane growing areas in the Philippines were analyzed for their polymorphism at 10 microsatellite loci. …
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Sugarcane plants of the cultivar B72 191 have been cultivated in tubes and inoculated with a pure culture of smut fungus (Ustilago scitaminea Sydow) in an otherwise microorganism-free environment.
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The possible biocontrol of Trichoderma spp and Gliocladium above Ustilago scitaminea was studied in laboraory conditions and it was demostrated that U. scitaminesa was controled by Trichoerma sps and GlIocladium spp. El presente trabajo se llevo efecto en el laboratorio de Fitopatologia pertenecientes al centro de investigaciones de la …
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Sugarcane smut (Ustilago scitaminea) is the most prevalent and serious disease of sugarcane in Nigeria. Efforts made so far to check its destructive effects on the growing sugarcane industry have centred on use of single-strategy controls. These are pre-plant heat therapy of planting setts; pre-plant fungicidal dips of planting setts and …
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Laboratory and field evaluation of fungicides for the management of sugarcane smut caused by Sporisorium scitamineum in seedcane. S. Bhuiyan B. Croft R. James M. Cox. Agricultural and Food Sciences, Environmental Science. Australasian Plant Pathology. 2012. TLDR. Nine fungicides were tested in vitro at various concentrations for their efficacy ...
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Ustilago scitaminea) is a major pathogen (Vicente et al. 2021). Barnabas et al. ( 2017) have reported smut disease as one of the most conspicuous sugarcane diseases. Life cycle of S. scitamineum has genetically and morphologically dif-ferent phases, namely haploid yeast-like sporidia phase, the dikaryotic hyphal phase and diploid teliospores.
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Smut disease of sugarcane, caused by the fungus Ustilago scitaminea Sydow, can cause considerable yield losses and reductions in cane quality. To investigate the reactions of the seedlings to smut, three different inoculation methods were employed. Data on number of smut whips per stool, disease incidents per population and number of …
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Sugarcane plants of the cultivar B72 191 have been cultivated in tubes and inoculated with a pure culture of smut fungus and the teliospores produced on these are viable and have retained their pathogenicity. Sugarcane plants of the cultivar B72 191 have been cultivated in tubes and inoculated with a pure culture of smut fungus (Ustilago scitaminea Sydow) …
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Sugarcane smut, caused by Ustilago scitaminea Syd., is one of the most severe fungal diseases affecting sugarcane productivity, and all producing countries have developed protocols for the protection
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Observations suggest that resistance to sugarcane smut resistance is partial and polygenic (rate-limiting, minor gene, non-race specific), however, race specific resistance might be superimposed on a background of partial resistance. Suppression subtractive hybridisation was used to detect sugarcane differential gene expression in response to challenge by …
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Evaluation of sugarcane hybrids for resistance to sugarcane smut (Ustilago scitaminea Sydow). @inproceedings{Flores1978EvaluationOS, title={Evaluation of sugarcane hybrids for resistance to sugarcane smut (Ustilago scitaminea Sydow).}, author={C. Isabel-Ortega Flores and Azucena L. Carpena and Elpidio L. Rosario}, year={1978}, url={https://api ...
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Ustilago scitaminea Sydow is the agent of the sugarcane smut. The changes induced by the fungus in the host development suggest alterations of the growth factor content in the plant (Byther and Steiner 1974; Pêros 1984). The use of in vitro leaf tissue culture systems to investigate the mechanisms occurring in
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The results suggested existence of smut races in Kenya and indicated that some varieties are resistant to smut in one zone and susceptible in another. Sugarcane smut disease caused by the fungus Ustilago scitaminea significantly reduces the yield and quality of sugarcane. The disease was first reported in Kenya in 1958, in Nyanza and Coastal …
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1. Introduction. Sugarcane smut (Ustilago scitaminea Syd.) was identified as a priority threat to the sugar industry in Ethiopia, with a loss of 19% to 43% in cane and 29.5% to 42.8% in sugar yield (Firehun et al., Citation 2009).A recent survey made on sugarcane smut distribution and intensity across plantations of the Ethiopian Sugar …
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The establishment of in vitro screening methods for evaluating the susceptibility of sugarcane (Saccharum spp. hybrids) to the fungal disease, smut (causal agent : Ustilago scitaminea H. and P. Sydow) and the stalk borer, Eldana saccharina Walker (Lepidoptera : Pyralidae). N. Devnarain
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Screening of Some Sugarcane Genotypes Against Smut Sydow 139 06, I 61-07, I 76-07, I 124-07, I 133-07, I 153-07, I 157-07, I 164-07, I 167-07, I 178-07, I 200-07 & I 215-07 were planted at BSRI farm, Ishurdi during the crop seasons 2010-11 and 2011-12 where variety Isd 39 as resiatant standard and clone I 6-04 as susceptible standard.The genotypes …
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Culmicolous smut caused by Sporisorium scitamineum (Syd.) M. Piepenbr., M. Stoll & Oberw (= Ustilago scitaminea H. & P. Sydow) is a major disease of sugarcane and causes considerable yield losses and reduction in cane quality (Ferreira and Comstock 1989; Piepenbring et al. 2002; Sundar et al. 2012).Sugarcane smut was first reported in …
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Efectividad de tratamientos químicos con fungicidas sistémicos del grupo de los triazoles, sobre Ustilago scitaminea Sydow, agente causal del carbón de la caña. January 1987;
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(Ustilago scitaminea Sydow), using the methodology of cuttings immersion in a smut spores suspension. Materials and methods This essay was carried out in the fourth phase of selection for the
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PDF | On Dec 12, 2007, Emma Ramirez Poletto published Reacción de cultivares de caña de azucar a la inoculación con Ustilago scitaminea mediante método combinado | Find, read and cite all the ...
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THE sugarcane smut fungus, Ustilago scitaminea, first appeared in Australia in the Ord River Irrigation Area (ORIA) in July 1998. The most likely source of this infection was thought to be wind blown spores from Indonesia. Currently, the sugar industries of eastern Australia, Fiji and Papua New Guinea are still free of the disease. However, the
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Strong evidence for distinct races of the smut fungus, Ustilago scitaminea, among different sugarcane growing regions was observed, where the response of highly susceptible or highly resistant cultivars to the pathogen differed from location to location. An international project was conducted to identify races of the smut fungus, Ustilago scitaminea, among …
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Control biológico de Ustilago scitaminea Sydow con el empleo de hongos antagonistas. June 2016. Respuestas 2 (2):9-13. DOI: 10.22463/0122820X.567. Authors: Yolanda Morales-Gómez. Carlos M ...
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Reacción varietal de la caña de azúcar al Carbón (Ustilago scitaminea Sydow). Según los resultados obtenidos las plantas inoculadas presentaron estructuras fungosas en forma de látigo, localizado en las yemas terminales o laterales (Figura 4). Figura 4. Estructura de un látigo de Carbón de la Caña de Azúcar (Ustilago scitaminea Sydow).
DetailsThe DNA finger technique of amplified fragment length polymorphisms was used to assess genetic variation between isolates of the sugarcane smut fungus, and revealed a low level of variation at the genomic DNA level, but a divergent group of isolates from Southeast Asia was identified. THE sugarcane smut fungus, Ustilago scitaminea, first appeared in …
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