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Teliospores of Ustilago scitaminea were collected from whips of infected sugarcanes and cultured on YGC medium which conducted to isolation of yeast-like and mycelial colonies. White mycelia were also isolated from culturing of pieces of infected tissues of sugarcane. Results of PCR using specific primers bE4 and bE8 revealed the fungal detection in …
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Inhibition of germination of spores of Ustilago scitaminea Sydow by plant extracts is experimentally demonstrated in the present paper. Different varietal responses to fungus filtrates with ...
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By using PCR to amplify the bE mating-type gene of Ustilago scitaminea, it is possible to detect this pathogen in sugarcane. Different parts of smut inoculated tissue …
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131 Bangladesh J. Sugarcane 37: 131-135 June 2016 SHORT COMMUNICATION Pathological Test of BSRI Akh 45 Against Sugarcane Smut (Ustilago scitaminea Sydow ) M.J. Uddin1, M.S. Rahman2, M.O. Khaiyam2, M.A.K. Al Azad and M.l. Hossain2 1BSRI Sub-Station, Chuadanga, 2Pathology Division Bangladesh Sugarcrop Research Institute …
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Like other crops, sugarcane is attacked by different diseases most notableof which is smut (Ustilago scitaminea). Attempts to control the disease by the use of resistant varieties and hot water treatment of seedpieces have been reported (Thompson8). However, the use of resistant varieties is more promising. Severe outbreaks of the disease have been …
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Semantic Scholar extracted view of "Ultrastructural aspects of sugarcane bud infection by Ustilago scitaminea teliospores" by M. Solas et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 220,796,640 papers from all fields of science. Search ...
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Semantic Scholar extracted view of "Sexuality in Ustilago scitaminea Syd" by K. C. Alexander et al. Skip to search form ... -cultured plantlets of three sugarcane cultivars having a known field smut reaction were screened for susceptibility to Ustilago scitaminea H&P Sydow and blind scoring of an unknown sugarcanes cultivar by this method ...
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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 ...
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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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Nine fungicides were tested in vitro at various concentrations for their efficacy on smut spore germination and suppression of disease expression suppressed disease expression for up to 6 months in a summer experiment and 9 months in an autumn experiment, which have important implication for selecting new fungicides for the control of sugarcane smut …
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Production of sori by Ustilago scitaminea was monitored during two growing seasons in smut-inoculated sugarcane clones in Louisiana and smaller peaks in sorus production occurred in highly susceptible clones during August and October. Production of sori by Ustilago scitaminea was monitored during two growing seasons in smut-inoculated …
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1. เพื่อศึกษาวิธีการปล ูกเชื้อโรคแส ดําอ อยสาเหต ุจากเชื้อรา Ustilago scitaminea 2. เพื่อศึกษาการตรวจสอบเช ื้อรา Ustilago scitaminea ด วยเทคน ิค Polymerase Chain
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The causal fungal pathogen of sugarcane smut, previously known as Ustilago scitaminea Syd. 1924, was later reclassified and renamed as Sporisorium scitamineum (Syd.) M. Piepenbr., M. Stoll & Oberw. 2002. Races of S. scitamineum have been reported in Pakistan (2 races), Hawaii (2 races), Brazil (2 races) and Taiwan (3 …
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399 Rev. Fac. Agron. (LUZ). 2005, 22: 399-406 Reaction of twenty sugarcane clones to smut disease Ustilago scitaminea Sydow. R. Briceño 1, O. De Sousa Vieira and R. Rea1 1Instituto Nacional de ...
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In order to study the genetic diversity of sugarcane smut fungus,Ustilago scitaminea Syd., single spore of 18 isolates of were obtained from single smut whip in six different provinces in Mainland China. Total 13 random primers of 10 bp were occupied in analyses of molecular diversity by random amplified polymorphic DNA or RAPD. The …
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WEBSugarcane smut is caused by the dimorphic basidiomycetous fungus Sporisorium scitamineum (Sydow) M. Piepenbr., M. Stoll & Oberw. (Syn: Ustilago …
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8-mo-old cane had been field-grown and Natal, South Africa, in 1877 and the purpose of this research was to compare the pathogenicities of U.S. sugarcane scitaminea to that of other countries until it was found in of the world by using a common Isolates ofU'scitaminea'Smutisolates Argentina in 1940. prevent the escape of smut spores to …
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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 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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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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Smut (Ustilago scitaminea Sydow.) is one of the most important sugarcane diseases in Bangladesh that causes serious losses not only in yield but also in sucrose content.
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Piepenbr and Oberw. 2002 (¼ Ustilago scitaminea Sydow & P. Sydow) (Piepenbring et al., 2002) is a biotrophic pathogen and the causal agent of sugarcane smut disease responsible for considerable ...
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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 …
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Tissue-cultured plantlets of three sugarcane (Saccharum spp.) cultivars having a known field smut reaction were screened for susceptibility to Ustilago scitaminea H&P Sydow. Plantlets were inoculated with 0.5 μ l of a suspension of equally mixed quantities of plus and minus mating type sporidia of U. scitaminea at concentrations ranging from 1 × 101 to 1 …
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Bhuiyan SA et al. Proc Aust Soc Sugar Cane Technol Vol 31 2009 126 Introduction Sugarcane smut caused by Ustilago scitaminea Syd., was recorded for the first time in Australia in 1998 when it was ...
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I n f e c t i o n p e r c e n t a g e % = Σ i n f e c t e d p l a n t s / t o t a l g e r m i n a t e d p l a n t s × 100 Inoculation tests were conducted eight times from 2004 to 2015. Inoculation was carried out in the spring season (May to June) or autumn season (October to November).
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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., 2009). A recent survey made on sugarcane smut distribution and intensity across plantations of
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Fig. 2. Sugarcane smut, Ustilago scitaminea Syd.:1) smutted tip of stalk; 2) stalk with smutted sprout; 3) section of diseased stalk with elongated deep eye groove and elongated pointed bud; 4) chlamydospores of
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In experiments designed to investigate the toxic effect of Ustilago scitaminea on sugarcane tissue cultures, callus response to fungal culture filtrate appears similar to …
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smut is a fungus Ustilago scitaminea Sydow. Several races of U. scitaminea have been reported by Lee-Lovick (1978). The disease occurs wherever sugarcane is grown in Kenya and is spread by windblown spores, infested seed-cane and infested soil. A recent yield loss assess-ment trial in Kibos, Kenya established yield losses of 21
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