Results 171 to 180 of about 7,136 (207)
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Australasian Plant Pathology, 2014
A recently developed spot form of blotch differential set of 16 barley lines was tested for reaction response to 60 Pyrenophora teres f. maculata isolates from geographically disperse barley crops of Australia. Twelve barley lines (Arimont, Barque, Chebec, CI5286, CI5791, CI9214, CII6150, Dairokkaku, Esperance Orge 289, Galleon, Keel, Skiff, Torrens ...
McLean, M. S. +5 more
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A recently developed spot form of blotch differential set of 16 barley lines was tested for reaction response to 60 Pyrenophora teres f. maculata isolates from geographically disperse barley crops of Australia. Twelve barley lines (Arimont, Barque, Chebec, CI5286, CI5791, CI9214, CII6150, Dairokkaku, Esperance Orge 289, Galleon, Keel, Skiff, Torrens ...
McLean, M. S. +5 more
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Net blotch in semi-arid regions of Morocco II
Field Crops Research, 2002Abstract Net blotch incited by Pyrenophora teres f. teres is an important constraint for barley production in the semi-arid regions of Morocco, reaching epidemic proportions under favorable weather conditions. In this study, we generated 480 epidemics. These epidemics were characterized at five sites and for six different varieties with plants either
Brahim El Yousfi, Brahim Ezzahiri
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Peanut net blotch caused by Didymosphaeria arachidicola (chochrjakov) comb.nov.
Transactions of the British Mycological Society, 1976This disease was 1st recorded in Qd on groundnut in 1964 and has since occurred intermittently. In experimental plots Valencia and Spanish type cvs. were more severely affected than Virginia types. Initially lesions are quite small, consisting of a few linear anastomosing necroses in an irregular pattern.
J.L. Alcorn +2 more
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Understanding plant–pathogen interactions in net blotch infection of cereals
2021An economically important disease of barley that causes significant yield and quality losses is net blotch caused by the necrotrophic fungal pathogen Pyrenophora teres. To reduce the impact of net blotch the research community is engaging in basic and applied research to enhance genetic resistances, as it is the most economic and sustainable management
Karl M. Effertz +3 more
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Theoretical and Applied Genetics, 2017
A diverse collection of barley lines was phenotyped with three North American Pyrenophora teres f. teres isolates and association analyses detected 78 significant marker-trait associations at 16 genomic loci. Pyrenophora teres f. teres is a necrotrophic fungal pathogen and the causal agent of the economically important foliar disease net form net ...
Jonathan K. Richards +2 more
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A diverse collection of barley lines was phenotyped with three North American Pyrenophora teres f. teres isolates and association analyses detected 78 significant marker-trait associations at 16 genomic loci. Pyrenophora teres f. teres is a necrotrophic fungal pathogen and the causal agent of the economically important foliar disease net form net ...
Jonathan K. Richards +2 more
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Identification and mapping of net form of net blotch resistance in South African barley
Molecular Breeding, 2018Net form of net blotch (NFNB) caused by the fungus Pyrenophora teres f. teres is an economically important foliar disease of barley (Hordeum vulgare) in southern and eastern Africa. Little attention has been given to disease resistance breeding, and knowledge about the presence of NFNB resistance in breeding lines is limited.
Anke Martin +6 more
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Genetic studies on net blotch resistance in a barley cross
Canadian Journal of Plant Science, 1996An investigation was initiated to study the genetics of resistance to three isolates of Pyrenophora teres (WRS102, WRS858, and WRS857), which have been routinely used for screening for net blotch resistance in Canada. The F1, F2, and doubled-haploid lines were derived from a Leger/CI9831 cross of barley (Hordeum vulgare L.).
K.M. Ho +3 more
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Journal of Phytopathology, 1985
AbstractGermination of spores of Septoria nodorum and Pyrenophora teres was inhibited and germ‐tube growth in germinated spores was reduced b y ferrous ions complexed with a number of cheiating agents. No such inhibition was observed with ferric complexes and none of the chelating agents in the desferri form was toxic to the fungi.
A. E. Brown, H. S. S. Sharma
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AbstractGermination of spores of Septoria nodorum and Pyrenophora teres was inhibited and germ‐tube growth in germinated spores was reduced b y ferrous ions complexed with a number of cheiating agents. No such inhibition was observed with ferric complexes and none of the chelating agents in the desferri form was toxic to the fungi.
A. E. Brown, H. S. S. Sharma
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Observations on the Development of Leaf Blotch and Net Blotch of Barley from Barley Debris, 1968
Plant Pathology, 1969SUMMARY A survey of 56 fields of spring barley in West Sussex in 1968 showed that the extent and severity of leaf blotch ( Rhynchosporium secalis ) and net blotch ( Pyrenophora teres ) in the crop depended on the amount of stubble ...
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