Blumeria graminis
Changes in virulence frequencies and higher fitness of simple pathotypes in the Czech population of Blumeria graminis f sp hordei
... The employment of specific genes, which determine host resistance to avirulent pathotypes of the pathogen, is not recommended for protecting barley against powdery mildew (Blumeria graminis f.sp. hordei). ...
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Compounds of natural origin inducing winter wheat resistance to powdery mildew (Blumeria graminis f sp tritici)
... Směsi přírodního původu indukující rezistenci ozimé pšenice k padlí travnímu (Blumeria graminis f.sp. tritici) Proti padlí travnímu na náchylné odrůdě ozimé pšenice (odrůda Kanzler) byly v laboratorních a ...
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Changes in the population of Blumeria graminis f sp hordei in the Czech Republic from 2009 to 2010
... Barley (Hordeum vulgare L.) is a widely grown crop in the Czech Republic and powdery mildew caused by the airborne fungus Blumeria graminis (DC.) E. O. Speer f.sp. hordei emend. É. J. Marchal (anamorph ...
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DYNAMICS OF BLUMERIA GRAMINIS TRITICI DISTRIBUTION IN WHEAT IN NORTH-EAST BULGARIA DURING 2013 - 2015
... www.ijaer.in Copyright © IJAER 2017, All right reserved Page 2024 Iliev I., 1999. Pathogen Variability in the Bulgarian Populations of the Wheat Powdery Mildew (Blumeria graminis f.sp. tritici) for the ...
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Virulence spectra determination in selected Blumeria graminis f. sp. hordei isolates
... Padlí ječmene vyvolávané anemochorní vřeckový- trusnou houbou Blumeria graminis (DC.) E. O. Speer, f. sp. hordei emend. É. J. Marchal (anamorfa Oidium monilioides Link) (= B.g.h.) je nejčastější chorobou ...
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Abstract VĚCHET L. (2006): Reaction of winter wheat cultivars and breeding lines to Blumeria graminis f.sp. tritici
... Besides maize and rice, common wheat (Triticum aestivum L. Em. Thell.) is one of the three most important crops in the world. Wheat powdery mildew, caused by the obligate fungus Blumeria graminis DC. E.O. ...
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Fungal Morphogenesis Tracking of Blumeria graminis f. sp. tritici on Leaf Freed of Epicuticular Wax Using Scanning Electron Microscopy
... of Blumeria graminis have concentrated on particular aspects of the host-pathogen interaction, and a general study of the fungal life cycle has not been ...
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Identification of Novel Genes for Resistance to Blumeria graminis f. sp. tritici in Triticum aestivum Germplasm Lines 'NC97BGTD8' and 'NC96BGTD2.'
... A rising staple crop worldwide, wheat (Triticum aestivum L.) production faces pressure from many diseases. North Carolina primarily grows soft red winter wheat and the maritime climate leads to yearly epidemics of ...
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The Effects of Powdery Mildew (Blumeria Graminis F. Sp. Hordei) Infection on Stomatal Resistance in Cultivated and Wild Barley Lines
... (Blumeria graminis) tolerant and non-tolerant barley lines compared to uninfected leaves in both light and dark, and to determine how much changes in stomatal behaviour following infection could be involved ...
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An active role of systemic fungicides to curb wheat powdery mildew caused by Blumeria graminis f. sp. tritici
... Abstract: Efficacy of five systemic fungicides (flusilazole, propiconazole, diniconazole, cyproconazole and tetraconazol) in curbing powdery mildew disease of wheat (Sakha93) and its impact on yield components were ...
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Selections from barley landrace collected in Libya as new sources of effective resistance to powdery mildew (Blumeria graminis f sp hordei)
... Powdery mildew on barley (Hordeum vulgare L.) caused by the pathogen Blumeria graminis f.sp. hordei occurs world- wide and can result in severe yield loss. Because agronomical methods to control the disease ...
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The Effect of Powdery Mildew (Blumeria Graminis F. Sp. Hordei) on Compensatory Photosynthesis and Dark Respiration in theUninfected Fourth Leaf of Infected Cultivated and Wild Barley Lines
... The rates of maximum net and gross photosynthesis, expressed per unit leaf area, in the uninfected leaf on the infected plants were higher than in the corresponding leaf of uninfected pl[r] ...
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Adaptation of Blumeria graminis f sp hordei to barley resistance genes in the Czech Republic in 1971–2000
... Dreiseitl Agricultural Research Institute Kroměříž, Ltd., Czech Republic ABSTRACT Results of scoring the resistance of 35 selected spring barley varieties to powdery mildew, exhibiting h[r] ...
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New records for powdery mildews and Taphrina species in Idaho and Washington
... galeopsidis on henbit outside Washington State, but given the ambiguity of the reports involving E. cichoracearum, and given the reports from Europe above, it is possible that N. galeopsidis is more widely distributed in ...
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Derivation and testing of a model to predict selection for fungicide resistance
... A mathematical model was derived to predict selection for fungicide resistance in foliar pathogens of cereal crops. The model was tested against independent data from four field experiments quantifying selection for the ...
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Tracking of powdery mildew and leaf rust resistance genes in Triticum boeoticum and T urartu, wild relatives of common wheat
... In recent years, 32 loci and 48 genes/alleles for resistance to powdery mildew have been identi- fied and located on various chromosomes (Liu et al. 2002; Zeller et al. 2002; Hsam et al. 2003). Several genes conferring ...
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Significance of Wheat Stem Rust ( Puccinia graminis f.sp.(tritici) in Gurage Zone, Ethiopia
... Stem rust caused by the fungus Puccinia graminis f. sp. tritici Eriks. and E. Henn, has been the most devastating of all wheat diseases under favorable conditions. This disease is also known as black rust of wheat ...
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Kontrolle des Roggenschwarzrostes, Puccinia graminis f sp secalis, im Ökologischen Landbau durch Züchtung resistenten Roggens
... Organic Agriculture (OA) is especially affected by the increasing spread of stem rust in rye, Puccinia graminis f. sp. secalis, because there is a lack of resistant cultivars in Germany. To analyze the virulence ...
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Multiple genotypes within aecial clusters in Puccinia graminis and Puccinia coronata: improved understanding of the biology of cereal rust fungi
... The present study aimed at determining the fine-scale genotypic diversity in the aecial stage of cereal rust fungi. Our results showed that under natural conditions, dif- ferent genotypes are usually produced within each ...
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Studies on the Efficacy of Three Trichoderma atroviride Isolates for Controlling Take-all (Gaeumannomyces graminis var. tritici) in Grasses
... Perennial ryegrass (Lolium perenne) is the most widely sown pasture grass in New Zealand as it grows well under many conditions (Charlton & Stewart, 1999). In an arable cropping rotation, it is often grown after ...
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