Diversity of Epidemic Populations of Gibberella zeae from Small Quadrats in Kansas and North Dakota

Phytopathology
Kurt A ZellerJohn F Leslie

Abstract

ABSTRACT Gibberella zeae (anamorph Fusarium graminearum) causes Fusarium head blight (FHB) of wheat and barley and has been responsible for several billion dollars of losses in the United States since the early 1990s. We isolated G. zeae from the top, middle, and bottom positions of wheat spikes collected from 0.25-m(2) quadrats during severe FHB epidemics in a single Kansas (KS) field (1993) and in a single North Dakota (ND) field (1994). Three amplified fragment length polymorphism (AFLP) primer pairs were used to resolve 94 polymorphic loci from 253 isolates. Members of a subset of 26 isolates also were tested for vegetative compatibility groups (VCGs). Both methods indicated high levels of genotypic variability and identified the same sets of isolates as probable clones. The mean number of AFLP multilocus haplotypes per head was approximately 1.8 in each population, but this value probably underestimates the true mean due to the small number of samples taken from each head. Isolates with the same AFLP haplotype often were recovered from different positions in a single head, but only rarely were such apparently clonal isolates recovered from more than one head within a quadrat, a pattern that is consistent with a genetically...Continue Reading

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Citations

Sep 22, 2007·Food Additives and Contaminants·M L RamirezS N Chulze
Oct 24, 2008·Phytopathology·David G Schmale IiiGary C Bergstrom
Oct 24, 2008·Phytopathology·Alison R BentleyBrett A Summerell
Oct 24, 2008·Phytopathology·L L A CarterR K Webster
Oct 24, 2008·Phytopathology·R L Bowden, J F Leslie
Oct 24, 2008·Phytopathology·L Rosewich GaleH C Kistler
Oct 24, 2008·Phytopathology·Christian Joseph R CumagunThomas Miedaner
Apr 24, 2009·Annual Review of Phytopathology·Xiangming Xu, Paul Nicholson
Feb 19, 2013·International Journal of Food Microbiology·Dinorah PanLina Bettucci
Sep 15, 2007·International Journal of Food Microbiology·John F LeslieYin-Won Lee
Jun 6, 2012·TheScientificWorldJournal·Ester WickertEliana Gertrudes de Macedo Lemos
Nov 1, 2004·Molecular Plant Pathology·Rubella S Goswami, H Corby Kistler
Nov 26, 2008·Journal of Basic Microbiology·Gisele Eleonora KikotTeresa Maria Alconada
Dec 14, 2004·Journal of Ethnopharmacology·E J BuenzT J Motley
May 3, 2015·Applied and Environmental Microbiology·Dorothée SiouChristian Lannou
Jan 31, 2012·Applied and Environmental Microbiology·Jungkwan LeeYin-Won Lee
Jan 16, 2007·Environmental Microbiology·Olufemi A AkinsanmiSteven Simpfendorfer
Mar 7, 2019·Plant Disease·Deanna L Funnell-HarrisStephen N Wegulo
Mar 24, 2009·Applied and Environmental Microbiology·Jungkwan LeeYin-Won Lee

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